时间:2011-12-25 00:10:50
第18套题
一、程序填空题
#include <stdio.h>
#define N 4
void fun(int (*t)[N], int m)
{ int i, j;
/**********found**********/
for(i=0; i<N; ___1___ )
{ for(j=N-1-m; j>=0; j--)
/**********found**********/
t[i][j+___2___ ]=t[i][j];
/**********found**********/
for(j=0; j<___3___; j++)
t[i][j]=0;
}
}
main()
{ int t[][N]={21,12,13,24,25,16,47,38,29,11,32,54,42,21,33,10}, i, j, m;
printf("nThe original array:n");
for(i=0; i<N; i++)
{ for(j=0; j<N; j++)
printf("%2d ",t[i][j]);
printf("n");
}
printf("Input m (m<=%d): ",N);scanf("%d",&m);
fun(t,m);
printf("nThe result is:n");
for(i=0; i<N; i++)
{ for(j=0; j<N; j++)
printf("%2d ",t[i][j]);
printf("n");
}
}
二、程序改错题
#include <stdio.h>
#include <math.h>
int fun( int high )
{ int sum = 0, n=0, j, yes;
/************found************/
while ((high >= 2) && (n < 10)
{ yes = 1;
for (j=2; j<=high/2; j++ )
if (high % j ==0 ){
/************found************/
yes=0; break
}
if (yes) { sum +=high; n++; }
high--;
}
return sum ;
}
main ( )
{
printf("%dn", fun (100));
}
三、程序编写题
#include <math.h>
#include <stdio.h>
double fun()
{
}
main()
{
void NONO ( );
printf("Root =%fn", fun());
NONO();
}
void NONO ( )
{/* 本函数用于打开文件,输入数据,调用函数,输出数据,关闭文件。 */
FILE *wf ;
wf = fopen("K:\k01\24010001\out.dat","w") ;
fprintf(wf, "%fn", fun()) ;
fclose(wf) ;
}