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51、
52、
#include <stdio.h>
#include <stdlib.h>
#define N 80
main()
{
FILE *fp;
int i = 0;
char ch;
char str[N] = "I'm a students!"
if ((fp = fopen(___1___)) == NULL)
{
printf("cannot open out52.dat\n");
exit(0);
}
while (str[i])
{
ch = str[i];
___2___;
putchar(ch);
i++;
}
___3___;
}
#include <conio.h>
#include <stdio.h>
/********found********/
int fun(double x[], int n)
int j, c = 0;
double xa = 0.0;
for (j=0; j<n; j++)
xa += x[j]/n;
printf("ave =%f\n", xa);
for (j=0; j<n; j++)
if (x[j] >= xa)
c++;
return c;
}
main()
{
double x[100] = {193.199, 195.673, 195.757, 196.051,
196.092, 196.596, 196.579, 196.763};
printf("%d\n", fun(x, 8));
}
#include <stdio.h>
#include <conio.h>
void fun(char p1[], char p2[])
{
}
main()
{
char s1[80], s2[40] ;
FILE *out;
printf("Enter s1 and s2:\n") ;
scanf("%s%s", s1, s2) ;
printf("s1=%s\n", s1) ;
printf("s2=%s\n", s2) ;
printf("Invoke fun(s1,s2):\n") ;
fun(s1, s2) ;
printf("After invoking:\n") ;
printf("%s\n", s1) ;
out=fopen("out.dat", "w");
strcpy(s1, "Hello ");
fun(s1, "World!");
fprintf(out, "%s\n", s1) ;
strcpy(s1, "This ");
fun(s1, "is ");
fun(s1, "a ");
fun(s1, "test ");
fun(s1, "string.");
fprintf(out, "%s\n", s1) ;
fclose(out);
}
53、
#include<stdio.h>
#include<stdlib.h>
typedef struct ss
{
int data;
struct ss *next;
}NODE;
void fun(int n,char *filename)
{
NODE *h, *p, *s ;
FILE *pf;
int i;
h=p=(NODE *)malloc(sizeof(NODE));
h->data=0;
for(i=1;i<n; i++)
{
s=(NODE *)malloc(sizeof(NODE));
s->data=___1___;
___2___;
p=___3___;
}
p->next=NULL;
if((pf=fopen(filename,"w"))==NULL)
{
printf("Can not open out53.dat!");
exit(0);
}
p=h;
fprintf(pf,"\n***THE LIST*** \n");
printf("\n***THE LIST*** \n");
while(p)
{
fprintf(pf,"%3d",p->data);
printf("%3d",p->data);
if(p->next!=NULL)
{
fprintf(pf,"->");
printf("->");
}
p=p->next;
}
fprintf(pf,"\n");
printf("\n");
fclose(pf);
p=h;
while(p)
{
s=p;
p=p->next;
free(s);
}
}
main()
{
char *filename="out53.dat";
int n;
printf("\nInput n:");
scanf("%d",&n);
fun(n,filename);
}
#include <stdio.h>
long fun(int g)
{
/********found********/
switch(g);
{
case 0:
return 0;
/********found********/
case 1;
case 2:
return 1;
}
return (fun(g-1) + fun(g-2));
}
main()
{
long fib;
int n;
printf("Input n: ");
scanf("%d", &n);
printf("n=%d\n", n);
fib = fun(n);
printf("fib = %d\n\n", fib);
}
#include <conio.h>
#include <stdio.h>
void fun ( int a[3][3], int b[3][3])
{
}
main( )
{
int a[3][3]={{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}, t[3][3] ;
int i, j ;
FILE *out;
fun(a, t) ;
out=fopen("out.dat", "w");
for (i = 0 ; i < 3 ; i++)
{
for (j = 0 ; j < 3 ; j++)
{
printf("%7d", t[i][j]) ;
fprintf(out, "%7d", t[i][j]) ;
}
printf("\n") ;
fprintf(out, "\n");
}
fclose(out);
}
54、
#include <stdio.h>
#include <conio.h>
#define N 80
char *fun(char *str1, char *str2)
{
char *p1 = str1, *p2 = str2;
while (*p1 && *p2)
{
if (___1___)
return "<";
if (___2___)
return ">";
p1++;
p2++;
}
if (*p1 == *p2)
return "==";
if (*p1 == ___3___)
return "<";
else
return ">";
}
main()
{
char str1[N], str2[N];
printf("Input str1:\n");
gets(str1);
printf("Input str2:\n");
gets(str2);
printf("\n*******the result********\n");
printf("\nstr1 %s str2", fun(str1, str2));
}
#include <conio.h>
#include <stdio.h>
/********found********/
double fun(char *s, char *t)
{
int s1 = 0, t1 = 0;
char *ss, *tt;
ss = s;
tt = t;
/********found********/
while (*ss)
{
s1++;
(*ss)++;
}
/********found********/
while (*tt)
{
t1++;
(*tt)++;
}
if (t1 > s1)
return t;
else
return s;
}
main()
{
char a[80], b[80];
printf("\nEnter a string : ");
gets(a);
printf("\nEnter a string again : ");
gets(b);
printf("\nThe longer is :\n\n%s\n", fun(a, b));
}
#include <stdio.h>
#define N 8
typedef struct
{
char num[10];
double s;
} STREC;
double fun ( STREC *a, STREC *b, int *n )
{
}
main() { STREC s[N]={{"GA05",85}, {"GA03",76}, {"GA02",69}, {"GA04",85}, {"GA01",91}, {"GA07",72}, {"GA08",64}, {"GA06", 87}}; STREC h[N], t;FILE *out ; int i, j, n; double ave; ave=fun ( s, h, &n ); printf ("The %d student data which is lower than %7.3f:\n", n, ave ); for (i=0; i<n; i++) printf ("%s %4.1f\n", h[i]. num, h[i]. s); printf ("\n"); out=fopen ("out.dat","w"); fprintf (out, "%d\n%7.3f\n", n, ave); for (i=0; i<n; i++) for(j=i+1;j<n;j++) if(h[i].s>h[j].s) { t=h[i] ; h[i]=h[j]; h[j]=t; } for(i=0;i<n; i++) fprintf (out, "%4.1f\n", h[i].s ); fclose (out ); } 55、 #include <conio.h> #include <stdio.h> #define N 1000 int fun(int n, int m, int bb[N]) { int i, j, k = 0, flag; for (j=n; j<=m; j++) { ___1___; for (i=2; i<j; i++) if (___2___) { flag = 0; break; } if (___3___) bb[k++] = j; } return k; } main() { int n = 0, m = 0, i, k; int bb[N]; printf("Input n\n"); scanf("%d", &n); printf("Input m\n"); scanf("%d", &m); for (i=0; i<m-n; i++) bb[i] = 0; k = fun(n, m, bb); for (i=0; i<k; i++) printf("%4d", bb[i]); } #include <stdio.h> #include <math.h> void fun(int a, int *b, int *c) { int i, j, d, y; for (i=3; i<a/2; i=i+2) { /********found********/ y = 0; for (j=2; j<=sqrt((double)i); j++) if (i%j == 0) y = 0; if (y == 1) { /********found********/ d = i-a; for (j=2; j<=sqrt((double)i); j++) if (d%j == 0) y = 0; if (y == 1) { *b = i; *c = d; } } } } main() { int a, b, c; do { printf("\nInput a: "); scanf("%d", &a); } while (a%2); fun(a, &b, &c); printf("\n\n%d=%d + %d\n", a, b, c); } #include <stdio.h> void fun(int (*s)[10], int *b, int *n, int mm, int nn)
{
}
main()
{
int w[10][10] = {{33,33,33,33},{44,44,44,44},{55,55,55,55}}, i, j ;
int a[100] = {0}, n = 0 ;
FILE *out ;
printf("The matrix:\n") ;
for(i = 0 ; i < 3 ; i++)
{
for(j = 0 ; j < 4 ; j++)
printf("%3d",w[i][j]) ;
printf("\n") ;
}
fun(w, a, &n, 3, 4) ;
printf("The A array:\n") ;
out=fopen ("out.dat","w");
for(i = 0 ; i < n ; i++)
{
printf("%3d",a[i]);
fprintf(out, "%d\n",a[i]);
}
fclose (out );
printf("\n\n") ;
}
56、
#include <stdio.h>
#include <stdlib.h>
#define N 80
main()
{
FILE *fp, *fp1, *fp2;
int i;
char c[N], ch;
fp = fopen("A.dat", "w");
fprintf(fp, "I'm File A.dat!\n");
fclose(fp);
fp = fopen("B.dat", "w");
fprintf(fp, "I'm File B.dat!\n");
fclose(fp);
if ((fp = fopen("A.dat", "r")) == NULL)
{
printf("file A cannot be opened\n");
exit(0);
}
printf("\n A contents are :\n\n");
for (i=0; (ch = fgetc(fp))!=EOF; i++)
{
c[i] = ch;
putchar(c[i]);
}
fclose(fp);
if ((fp=fopen("B.dat", "r")) == NULL)
{
printf("file B cannot be opened\n");
exit(0);
}
printf("\n\n\nB contents are :\n\n");
for (i=0; (ch = fgetc(fp))!=EOF; i++)
{
c[i] = ch;
putchar(c[i]);
}
fclose(fp);
if ((fp1=fopen("A.dat", "a")) ___1___ (fp2=fopen("B.dat", "r")))
{
while ((ch=fgetc(fp2)) != EOF)
___2___;
}
else
{
printf("Can not open A B !\n");
}
fclose(fp2);
fclose(fp1);
printf("\n********new A contents*********\n\n");
if ((fp=fopen("A.dat", "r")) == NULL)
{
printf("file A cannot be opened\n");
exit(0);
}
for (i=0; (ch=fgetc(fp))!=EOF; i++)
{
c[i] = ch;
putchar(c[i]);
}
___3___;
}
#include <stdio.h>
#include <string.h>
#define MAXLINE 20
/********found********/
void fun(char (*pstr)[6])
{
int i, j;
char *p;
for (i=0; i<5; i++)
{
for (j=i+1; j<6; j++)
{
/********found********/
if(strcmp(*(pstr + i), pstr + j) > 0)
{
p = *(pstr+i);
/********found********/
*(pstr + i) = pstr + j;
*(pstr+j) = p;
}
}
}
}
main()
{
int i;
char *pstr[6], str[6][MAXLINE];
for (i=0; i<6; i++)
pstr[i] = str[i];
printf("\nEnter 6 sting(1 sting at each line): \n");
for (i=0; i<6; i++)
scanf("%s", pstr[i]);
fun(pstr);
printf("The strings after sorting:\n");
for (i=0; i<6; i++)
printf("%s\n", pstr[i]);
}
#include <stdio.h>
#include <conio.h>
#include <string.h>
void fun ( char *a, char *p)
{
}
main()
{
char s[81],*t;
FILE *out ;
printf("Enter a string:\n");
gets(s);
t=s;
while(*t)
t++;
t--;
while(*t=='*')
t--;
fun( s , t );
printf("The string after deleted:\n");
puts(s);
out=fopen ("out.dat","w");
strcpy(s, "****A*BC*DE*F*G********");
fun(s, s+14);
fprintf(out, "%s", s);
fclose (out );
}
57、
#include <stdio.h>
___1___ fun(int n)
{
int i, j;
double sum = 0.0, t;
for (i=1; i<=n; i++)
{
t = 0.0;
for (j=1; j<=i; j++)
t += ___2___;
sum += ___3___;
}
return sum;
}
main()
{
int n;
double s;
printf("\nInput n: ");
scanf("%d", &n);
s = fun(n);
printf("\n\ns=%f\n\n", s);
}
#include <conio.h>
#include <stdio.h>
#include <string.h>
void fun(char *a, char *b, char *c)
{
int i, j;
char ch;
i = 0;
j = strlen(b)-1;
/********found********/
while (i > j)
{
ch = b[i];
b[i] = b[j];
b[j] = ch;
i++;
j--;
}
while (*a || *b)
{
if (*a)
{
*c = *a;
c++;
a++;
}
if (*b)
{
*c = *b;
c++;
b++;
}
}
/********found********/
c = 0;
}
main()
{
char s1[100], s2[100], t[200];
printf("\nEnter s1 string : ");
scanf("%s", s1);
printf("\nEnter s2 steing : ");
scanf("%s", s2);
fun(s1, s2, t);
printf("\nThe result is : %s\n", t);
}
#include <stdio.h>
#define N 16
typedef struct
{
char num[10];
int s;
} STREC;
int fun ( STREC *a, STREC *b, int l, int h )
{
}
main ()
{
STREC s[N]= {{"GA005",85}, {"GA003",76}, {"GA002",69}, {"GA004",85},
{"GA001",96}, {"GA007",72}, {"GA008",64}, {"GA006", 87},
{"GA015",85}, {"GA013",94}, {"GA012",64}, {"GA014",91},
{"GA011",90}, {"GA017",64}, {"GA018",64}, {"GA016",72}};
STREC h[N],tt;
FILE *out;
int i,j,n, low, heigh, t;
printf ( "Enter 2 integer number low & heigh : ");
scanf ("%d%d", &low, &heigh );
if ( heigh < low )
{
t=heigh;
heigh=low;
low=t;
}
n=fun (s, h, low , heigh );
printf ( "The student 's data between %d----%d : \n", low, heigh );
for (i=0; i<n; i++)
printf ("%s %4d\n", h[i]. num, h[i]. s);
printf ( "\n" );
out=fopen ("out.dat", "w");
n=fun ( s, h, 80, 98 );
fprintf ( out, "%d\n", n );
for (i=0; i<n-1; i++)
for (j=i+1; j<n; j++)
if(h[i].s>h[j].s)
{
tt=h[i] ;
h[i]=h[j];
h[j]=tt;
}
for(i=0;i<n; i++)
fprintf (out, "%4d\n", h[i]. s);
fprintf ( out, "\n" );
fclose ( out );
}
58、
#include <stdio.h>
#include <conio.h>
main()
{
int i, n;
long f=1;
printf("Input n: ");
scanf("%d",___1___);
for(___2___; i<=n; i++)
___3___;
printf("%d ! = %ld\n", n, f);
}
#include <conio.h>
#include <stdio.h>
#include <string.h>
void fun(char *s, char *t)
{
int i, s1;
s1 = strlen(s);
/********found********/
for (i=0; i<=s1; i++)
t[i] = s[i];
for (i=0; i<s1; i++)
t[s1+i] = s[s1-i-1];
/********found********/
t[s1] = '\0';
}
main()
{
char s[100], t[100];
printf("\nPlease enter string s:");
scanf("%s", s);
fun(s, t);
printf("The result is: %s\n", t);
}
#include <conio.h>
#include <math.h>
#include <stdio.h>
double fun( int n)
{
}
main()
{
FILE *out ;
printf("s=%f\n", fun ( 1000) );
out=fopen ("out.dat","w");
fprintf(out, "%f", fun ( 1024) );
fclose (out );
}
59、
#include <stdio.h>
#include <conio.h>
main()
{
int n, m;
long sum;
___1___;
printf("\nInput n,m\n");
scanf("%d,%d", &n, &m);
while (n <= m)
{
___2___;
n++;
}
printf("sum=%___3___\n", sum);
}
#include <conio.h>
#include <stdio.h>
/********found********/
void fun(char *s, int num[5]);
{
int k, i = 5;
/********found********/
for (k=0; k<i; k++)
num[i] = 0;
for (; *s; s++)
{
i = -1;
/********found********/
switch (s)
{
case 'a':
case 'A':
{
i = 0;
break;
}
case 'e':
case 'E':
{
i = 1;
break;
}
case 'i':
case 'I':
{
i = 2;
break;
}
case 'o':
case 'O':
{
i = 3;
break;
}
case 'u':
case 'U':
{
i = 4;
break;
}
}
if (i >= 0)
num[i]++;
}
}
main()
{
char s1[81];
int num1[5], i;
printf("\nPlease enter a string: ");
gets(s1);
fun(s1, num1);
for (i=0; i<5; i++)
printf("%d", num1[i]);
printf("\n");
}
#include <stdio.h>
#define M 3
#define N 20
void fun(char a[M][N], char *b)
{
}
main()
{
char w[M][N]={"AAAA", "BBBBBBB","CC"},i;
char a [100]={"###############################"};
FILE *out ;
printf("The string:\n");
for(i=0; i<M; i++)
puts(w[i]);
printf("\n");
fun(w,a);
printf("The A string:\n");
printf("%s",a);
printf("\n\n");
out=fopen ("out.dat","w");
fprintf(out, "%s", a);
fclose (out );
}
60、
#include <stdio.h>
#define N 100
void fun(int bb[], int n)
{
int i, j, t;
for (i=0; ___1___; i++)
for (j=0; ___2___; j++)
if (bb[j] > bb[j+1])
{
t = bb[j];
bb[j] = bb[j+1];
bb[j+1] = t;
}
}
main()
{
int i = 0, n = 0;
int bb[N];
printf("\nInput n:\n");
scanf("%d", &n);
printf("\nInput data:\n");
while (i < n)
{
printf("bb[%d]=", i);
scanf("%d", &bb[i]);
i++;
}
fun(bb, n);
printf("\n******** the result *********\n");
for (i=0; i<n; i++)
printf("%4d", bb[i]);
}
#include <conio.h>
#include <stdio.h>
int fun(int m)
{
int i, k;
for (i=m+1; ; i++)
{
for (k=2; k<i; k++)
/********found********/
if (i%k != 0)
break;
/********found********/
if (k < i)
return(i);
}
}
main()
{
int n;
printf("\nplease enter n: ");
scanf("%d", &n);
printf("%d\n", fun(n));
}
# include <stdio.h>
# define N 80
int fun(int a[], int n)
{
}
main()
{
int a[N]={2,2,2,3,4,4,5,6,6,6,6,7,7,8,9,9,10,10,10,10}, i,n=20;
FILE *out ;
printf("The original data :\n");
for(i=0; i<n; i++)
printf("%3d",a[i]);
n=fun(a,n);
printf("\n\nThe data after deleted :\n");
out=fopen ("out.dat","w");
for(i=0;i<n;i++)
{
printf("%3d",a[i]);
fprintf(out, "%d\n", a[i]);
}
fclose (out );
printf("\n\n");
}
61、
#include <stdio.h>
#define N 3
#define M 5
main()
{
int i, j;
static float score[N][M] =
{
{78.5, 84, 83, 65, 63},
{88, 91.5, 89, 93, 95},
{72.5, 65, 56, 75, 77}
};
float bb[N];
for (i=0; i<N; i++)
___1___;
for (i=0; i<N; i++)
{
for (j=0; j<M; j++)
___2___;
bb[i] /= M;
}
for (i=0; i<N; i++)
printf("\nstudent%d\taverage=%5.1f", i+1, bb[i]);
}
#include <conio.h>
#include <stdio.h>
/********found********/
fun(int m)
{
double y = 0, d;
int i;
/********found********/
for (i=100, i<=m, i+=100)
{
d = (double)i*(double)i;
y += 1.0/d;
}
return (y);
}
main()
{
int n = 2000;
printf("\nThe result is %lf\n", fun(n));
}
#include <stdio.h>
#define N 50
#define M 11
void fun(int *a, int *b)
{
}
double rnd()
{
static t=29, c=217, m=1024, r=0;
r=(r*t+c)%m;
return((double)r/m);
}
main()
{
int age[N], i, d[M];
FILE *out ;
for(i=0; i<N; i++)
age[i]=(int)(115*rnd());
printf("The original data :\n");
for(i=0; i<N; i++)
printf((i+1)%10==0?"%4d\n":"%4d",age[i]);
printf("\n\n");
fun( age, d);
out=fopen ("out.dat","w");
for(i=0;i<10;i++)
{
printf("%4d---%4d : %4d\n", i*10, i*10+9, d[i]);
fprintf(out, "%4d---%4d : %4d\n", i*10, i*10+9, d[i]);
}
printf(" Over 100 : %4d\n", d[10]);
fprintf(out, " Over 100 : %4d\n", d[10]);
fclose (out );
}
62、
#include <stdio.h>
#define N 80
main()
{
int i = -1, j = 0;
char str[N];
printf("\n Input a string \n");
do
{
i++;
scanf(___1___);
} while (___2___);
printf("\n ******* display the string ******* \n");
while (j < i)
{
printf(___3___);
j++;
}
}
#include <conio.h>
#include <stdio.h>
#include <math.h>
int fun(int high)
{
int sum = 0, n = 0, j, yes;
while ((high >= 2) && (n < 10))
{
yes = 1;
for (j=2; j<=high/2; j++)
/********found********/
if (high%j == 0)
{
yes = 0;
break
}
if (yes)
{
sum += high;
n++;
}
high--;
}
return sum;
}
main()
{
printf("%d\n", fun(100));
}
#include <conio.h>
#include <stdio.h>
#include <math.h>
int fun(int high)
{
int sum = 0, n = 0, j, yes;
while ((high >= 2) && (n < 10))
{
yes = 1;
for (j=2; j<=high/2; j++)
/********found********/
if (high%j == 0)
{
yes = 0;
break
}
if (yes)
{
sum += high;
n++;
}
high--;
}
return sum;
}
main()
{
printf("%d\n", fun(100));
}
63、
#include <stdio.h>
#include <string.h>
#define N 10
typedef struct ss
{
char num[10];
int s;
} STU;
fun(STU a[], STU *s)
{
___1___ h;
int i;
h = a[0];
for (i=1; i<N; i++)
if (a[i].s < h.s)
___2___ = a[i];
*s = ___3___;
}
main()
{
STU a[N] =
{
{"A01", 81}, {"A02", 89}, {"A03", 66}, {"A04", 87},
{"A05", 77}, {"A06", 90}, {"A07", 79}, {"A08", 61},
{"A09", 80}, {"A10", 71}
}, m;
int i;
printf("***** The original data *****\n");
for (i=0; i<N; i++)
printf("No = %s Mark = %d\n", a[i].num, a[i].s);
fun(a, &m);
printf("***** THE RESULT *****\n");
printf("The lowest : %s , %d\n", m.num, m.s);
}
#include <stdio.h>
void fun(char *p, char *b)
{
int i, k = 0;
while (*p)
{
/********found********/
i = 1;
/********found********/
while (i<3 || *p)
{
b[k] = *p;
k++;
p++;
i++;
}
/********found********/
if (*p)
b[k] = ' ';
}
b[k] = '\0';
}
main()
{
char a[80], b[80];
printf("Enter a string: ");
gets(a);
printf("The original string: ");
puts(a);
fun(a, b);
printf("\nThe string after insert space: ");
puts(b);
printf("\n\n");
}
#include <stdio.h>
int fun(int n)
{
}
main()
{
int n,sum;
FILE *out ;
printf("Input n: ");
scanf("%d",&n);
sum=fun(n);
printf("sum=%d\n",sum);
out=fopen ("out.dat","w");
fprintf(out, "%d\n", fun(123));
fprintf(out, "%d\n", fun(456));
fprintf(out, "%d\n", fun(789));
fprintf(out, "%d\n", fun(147));
fprintf(out, "%d", fun(258));
fclose (out );
}
64、
#include <stdio.h>
#define N 80
main()
{
static char str1[N] = "nice to meet you!";
char str2[N];
int i = 0, j = 0;
printf("\n****** str1 ******\n ");
puts(str1);
while (str1[i])
{
if (___1___)
str2[j++] = str1[i];
___2___;
}
printf("\n****** str2 ******\n ");
for (i=0; i<j; i++)
printf("%c", str2[i]);
}
#include <stdio.h>
#include <ctype.h>
char fun(char c)
{
/********found********/
if (c>='A' && c<='Z')
c = c-32;
/********found********/
if (c>='a' && c<='u')
c = c-5;
else if (c>='v' && c<='z')
c = c-21;
return c;
}
main()
{
char c1, c2;
printf("\nEnter a letter(A-Z): ");
c1 = getchar();
if (isupper(c1))
{
c2 = fun(c1);
printf("\n\nThe letter %c change to %c\n", c1, c2);
}
else
{
printf("\nEnter (A-Z)!\n");
}
}
#include <conio.h>
#include <stdio.h>
#include <string.h>
void fun( char *s, char t[])
{
}
main()
{
char s[100], t[100], Msg[] = "Please enter string S:";
FILE *out ;
printf(Msg);
scanf("%s", s);
fun(s, t);
printf("\nThe result is :%s\n", t);
out=fopen ("out.dat","w");
fun(Msg, t);
fprintf(out, "%s", t);
fclose (out );
}
65、
#include <stdio.h>
#define N 10
main()
{
int bb[N][N];
int i, j, n;
printf(" \nInput n:\n");
scanf("%d", &n);
for (i=0; i<n; i++)
for (j=0; j<n; j++)
{
if (i==0||i==n-1||j==0||j==n-1)
___1___;
else
___2___;
}
printf("\n ***** the result ******* \n");
for (i=0; i<n; i++)
{
printf("\n\n");
for (j=0; j<n; j++)
printf("%4d", bb[i][j]);
}
}
#include <conio.h>
#include <stdio.h>
/********found********/
void fun(long s, long t)
{
long s1 = 10;
*t = s%10;
while (s > 0)
{
s = s/100;
*t = s%10*s1 + *t;
/********found********/
s1 = s1*100;
}
}
main()
{
long s, t;
printf("\nPlease enter s:");
scanf("%ld", &s);
fun(s, &t);
printf("The result is: %ld\n", t);
}
#include <conio.h>
#include <stdio.h>
void fun (int a, int b, long *c )
{
}
main ()
{
int a, b;
long c;
FILE *out ;
printf ("Input a, b;");
scanf ("%d%d", &a, &b);
fun (a, b, &c);
printf ("The result is : %ld\n", c);
out=fopen ("out.dat","w");
for (a = 20; a < 50; a+=3)
{
fun(a, 109-a, &c);
fprintf(out, "%ld\n", c);
}
fclose (out );
}
66、
#include <stdio.h>
#define N 10
main()
{
int i, j;
int n;
int bb[N] = {11, 21, 31, 41, 51, 61, 71, 79, 81, 95};
printf("\nInput n \n");
scanf("%d", &n);
printf("\nn=%d ", n);
printf("\n****** original list ******* \n");
for (i=0; i<N; i++)
printf("%4d ", bb[i]);
for (i=0; i<N; i++)
if (n <= bb[i])
{
for (j=N; ___1___; j--)
___2___;
bb[j] = n;
___3___;
}
if (i == N)
bb[i] = n;
printf("\n****** new list ******* \n");
for (i=0; i<N+1; i++)
printf("%4d ", bb[i]);
}
#include <conio.h>
#include <stdio.h>
/********found********/
fun (int n)
{
int a = 2, b = 1, c, k;
double s = 0.0 ;
for (k=1; k<=n; k++)
{
s = s + 1.0*a/b;
/********found********/
c = a;
a += b;
b += c;
}
return s;
}
main()
{
int n = 5;
printf("\nThe value of function is :%lf\n", fun(n));
}
#include <stdio.h>
#include <conio.h>
#include <string.h>
void fun( char *a )
{
}
main()
{
char s[81];
FILE *out ;
printf("Enter a string:\n");
gets(s);
fun( s );
printf("The string after deleted:\n");
puts(s);
out=fopen ("out.dat","w");
strcpy(s, "****A*BC*D*EF**G*******");
fun(s);
fprintf(out, "%s", s);
fclose (out );
}
67、
#include <stdio.h>
main()
{
int i = 0;
char *str[3] = {"adefj", "ehfkn", "opwxres"};
char **p;
char s[3];
___1___;
for (i=0; i<3; i++)
{
s[i] = *p[i];
while (*p[i])
{
if (s[i] < *p[i])
s[i] = *p[i];
___2___;
}
}
___3___;
printf(" new string \n");
puts(s);
}
#include <stdio.h>
#include <math.h>
/********found********/
fun(double a, double x0)
{
double x1, y;
x1 = (x0 + a/x0)/2.0;
/********found********/
if (abs(x1-x0) >= 1e-6)
y = fun(a, x1);
else
y = x1;
return y;
}
main()
{
double x;
printf("Enter x: ");
scanf("%lf", &x);
printf("The square root of %lf is %lf\n", x, fun(x, 1.0));
}
#include <stdio.h>
#include <string.h>
#define N 16
typedef struct
{
char num[10];
int s;
} STREC;
STREC fun ( STREC *a, char *b )
{
}
main ()
{
STREC s[N]= {{"GA005",85}, {"GA003",76}, {"GA002",69}, {"GA004",85},
{"GA001",91}, {"GA007",72}, {"GA008",64}, {"GA006",87},
{"GA015",85}, {"GA013",91}, {"GA012",64}, {"GA014",91},
{"GA011",77}, {"GA017",64}, {"GA018",64}, {"GA016",72}};
STREC h;
char m[10];
int i; FILE *out;
printf ( "The original data :\n" );
for (i=0; i<N; i++)
{
if ( i%4==0 ) printf ("\n");
printf ("%s %3d", s[i]. num, s[i]. s);
}
printf ("\n\nEnter the number : ");
gets ( m );
h=fun ( s, m );
printf ( " The data : " );
printf ( "\n%s %4d\n", h . num, h . s );
printf ( "\n" );
out=fopen ("out.dat", "w");
h=fun ( s, "GA013" );
fprintf (out, "%s %4d\n", h . num, h . s);
fclose (out );
}
68、
#include <stdio.h>
#include <ctype.h>
main()
{
int i = 0;
char s[81];
char *p = s;
printf(" Input a string \n");
for (i=0; i<80; i++)
{
s[i] = getchar();
if (s[i] == '\n')
___1___;
}
s[i] = ___2___;
printf(" display the string \n");
while (*p)
putchar(___3___);
}
#include <stdio.h>
int fun(int a, int b, int c)
{
if (a+b>c && b+c>a && a+c>b)
{
/********found********/
if (a==b && b==c)
return 1;
else if (a==b || b==c || a==c)
return 2;
else
/********found********/
return 3;
}
else
return 0;
}
main()
{
int a, b, c, shape;
printf("\nInput a,b,c: ");
scanf("%d%d%d", &a, &b, &c);
printf("\na=%d, b=%d, c=%d\n", a, b, c);
shape = fun(a, b, c);
printf("\n\nThe shape : %d\n", shape);
}
#include <stdio.h>
double fun(int n)
{
}
main()
{
int n;
double s;
FILE *out;
printf("Input n: ");
scanf("%d",&n);
s=fun(n);
printf("s=%f\n",s);
out=fopen ("out.dat", "w");
for (n = 10; n < 15; n++)
fprintf(out, "%f\n", fun(n));
fclose (out );
}
69、
#include <stdio.h>
#include <string.h>
main()
{
char str1[81], str2[81];
char *p1 = str1, *p2 = str2;
do
{
printf(" Input str1 \n");
gets(str1);
printf(" Input str2 \n");
gets(str2);
} while (strlen(str1) ___1___ strlen(str2));
while (___2___)
*p1++ = *p2++;
printf(" Display str1 \n");
puts(___3___);
}
#include <ctype.h>
#include <string.h>
#include <stdio.h>
/********found********/
void upfst(char p)
{
int k = 0;
for (; *p; p++)
if (k)
{
if (*p == ' ')
k = 0;
}
else
{
if (*p != ' ')
{
k = 1;
*p = toupper(*p);
}
}
}
main()
{
char chrstr[81];
printf("\nPlease enter an English text line: ");
gets(chrstr);
printf("\n\nBefore changing:\n %s", chrstr);
upfst(chrstr);
printf("\nAfter changing:\n %s\n", chrstr);
}
#include <conio.h>
#include <math.h>
#include <stdio.h>
int fun (int t)
{
}
main()
{
int n;
FILE *out;
n=1000;
printf("n=%d,f=%d\n",n,fun(n));
out=fopen ("out.dat", "w");
for (n = 500; n < 3000; n+=500)
fprintf(out, "%d\n", fun(n));
fclose (out );
}
70、
#include <stdio.h>
#include <string.h>
#define MAXLINE 20
fun(char *pstr[6])
{
int i, j;
char *p;
for (i=0; i<5; i++)
for (j=i+1; j<6; j++)
if (strcmp(*(pstr+i), ___1___) > 0)
{
p = *(pstr+i);
pstr[i] = ___2___;
*(pstr + j) = ___3___;
}
}
main()
{
int i;
char *pstr[6], str[6][MAXLINE];
for (i=0; i<6; i++)
pstr[i] = str[i];
printf("\nEnter 6 string(1 string at each line): \n");
for (i=0; i<6; i++)
scanf("%s", pstr[i]);
fun(pstr);
printf("The strings after sorting:\n");
for (i=0; i<6; i++)
printf("%s\n", pstr[i]);
}
#include <stdio.h>
/********found********/
int fun( int *b );
{
int k, a1, a2, i = 0;
/********found********/
for (k=10; k<=55; k++)
{
a2 = k/10;
a1 = k - a2*10;
if ((k%3==0 && a2==5) || (k%3==0 && a1==5))
{
b[i] = k;
i++;
}
}
/********found********/
return k;
}
main()
{
int a[100], k, m;
m = fun(a);
printf("The result is:\n");
for (k=0; k<m; k++)
printf("%4d", a[k]);
printf("\n");
}
#include <conio.h>
#include <stdio.h>
double fun( int n )
{
}
main()
{
int i;
FILE *out;
printf("%f\n",fun(10));
out=fopen ("out.dat", "w");
for (i = 5; i < 10; i++)
fprintf(out, "%f\n", fun(i));
fclose (out );
}
71、
#include <stdio.h>
typedef struct
{
int num;
char name[10];
} PERSON;
void fun(PERSON ___1___)
{
___2___ temp;
if (std[0].num > std[1].num)
{
temp = std[0];
std[0] = std[1];
std[1] = temp;
}
if (std[0].num > std[2].num)
{
temp = std[0];
std[0] = std[2];
std[2] = temp;
}
if (std[1].num > std[2].num)
{
temp = std[1];
std[1] = std[2];
std[2] = temp;
}
}
main()
{
PERSON std[] = {5, "Zhanghu", 2, "WangLi", 6, "LinMin"};
int i;
fun(___3___);
printf("\nThe result is :\n");
for (i=0; i<3; i++)
printf("%d,%s\n", std[i].num, std[i].name);
}
#include <conio.h>
#include <stdio.h>
long fun(int k)
{
/********found********/
if k > 1
return (k*fun(k-1));
return 1;
}
main()
{
int k = 10;
printf("%d!=%ld\n", k, fun(k));
}
#include <conio.h>
#include <stdio.h>
void fun(int a, int b, long *c)
{
}
main()
{
int a,b;
long c;
FILE *out;
printf(" Input a, b: ");
scanf("%d%d", &a,&b);
fun(a,b,&c);
printf(" The result is :%ld\n", c);
out=fopen ("out.dat", "w");
for (a = 21; a < 51; a+=3)
{
fun(a, 109-a, &c);
fprintf(out, "%ld\n", c);
}
fclose (out );
}
72、
#include <stdio.h>
#define N 3
#define M 5
main()
{
int i, j;
static float score[N][M] =
{
{78.5, 84, 83, 65, 63},
{88, 91.5, 89, 93, 95},
{72.5, 65, 56, 75, 77}
};
static float bb[N];
for (i=0; i<M; i++)
bb[i] = 0.0;
for (i=0; i<___1___; i++)
for (j=0; j<___2___; j++)
bb[j] += score[i][j];
for (i=0; i<M; i++)
printf("\nsubject%d\taverage=%5.1f", i+1, ___3___);
return 0;
}
#include <stdio.h>
/********found********/
int fun(char *str, *substr)
{
int i, j, k, num = 0;
/********found********/
for (i=0, str[i], i++)
for (j=i, k=0; substr[k]==str[j]; k++, j++)
if (substr[k+1] == '\0')
{
num++;
break;
}
return num;
}
main()
{
char str[80], substr[80];
printf("Input a string:");
gets(str);
printf("Input a substring:");
gets(substr);
printf("%d\n", fun(str, substr));
}
#include <conio.h>
#include <stdio.h>
#include <string.h>
void fun( char *s, char t[])
{
}
main()
{
char s[100], t[100], Msg[] = "\nPlease enter string S:";
FILE *out;
printf(Msg);
scanf("%s", s);
fun(s,t);
printf("\nThe result is :%s\n", t);
out=fopen ("out.dat", "w");
fun(Msg, t);
fprintf(out, "%s", t);
fclose (out );
}
73、
#include <stdio.h>
#define N 10
main()
{
int bb[N][N];
int i, j, n;
printf(" \nInput n:\n");
scanf("%d", &n);
for (i=0; i<n; i++)
for (j=0; j<n; j++)
{
___1___;
if (i == j)
bb[i][j] = ___2___;
if (___3___)
bb[i][j] = 1;
}
printf(" \n***** the result ******* \n");
for (i=0; i<n; i++)
{
printf(" \n\n");
for (j=0; j<n; j++)
printf("%4d", bb[i][j]);
}
}
#include <conio.h>
#include <stdio.h>
double fun(int m)
{
double t = 1.0;
int i;
/********found********/
for (i=2; i<=m; i++)
t = 1.0 - 1/i;
/********found********/
___填空___
}
main()
{
int m;
printf("\nPlease enter 1 integer numbers:\n");
scanf("%d", &m);
printf("\n\nThe result is %lf\n", fun(m));
}
#include <stdio.h>
#include <conio.h>
#include <string.h>
void fun( char *a, char *h, char *p)
{
}
main() { char s[81],*t,*f; FILE *out; printf("Enter a string:\n"); gets(s); t=f=s; while(*t) t++; t--; while(*t=='*') t--; while(*f=='*') f++; fun(s,f,t); printf("The string after deleted:\n"); puts(s); out=fopen ("out.dat", "w"); strcpy(s, "****A*BC*DEF*G********"); fun(s, s+4, s+13); fprintf(out, "%s", s); fclose (out ); } 74、 #include <stdio.h> typedef struct { char name[10]; int age; } STD; STD fun(STD std[], int n) { STD max; int i; max = ___1___; for (i=1; i<n; i++) if (max.age < ___2___) max = std[i]; return max; } main() { STD std[5] = {"aaa", 17, "bbb", 16, "ccc", 18, "ddd", 17, "eee", 15}; STD max; max = fun(std, 5); printf("\nThe result: \n"); printf("\nName : %s, Age : %d\n", ___3___, max.age); } #include <stdio.h> #include <string.h> #define N 80 void insert(char *aa) { int i, j, n; char ch; n = strlen(aa); for (i=1; i<n ;i++) { /********found********/ c = aa[i]; j = i-1; while ((j>=0) && (ch<aa[j])) { aa[j+1] = aa[j]; j--; } aa[j+1] = ch; } } main() { char a[N] = "QWERTYUIOPASDFGHJKLMNBVCXZ"; printf("The original string : %s\n", a); &nbs
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