题目内容

以下程序的运行结果是_________。#include main(){static int a[]={5,3,7,2,1,5,4,10};int s=0,k;for (k=0;k<8;k+=2)s+=*(a+k);printf("%d\n",s);}

A. 17
B. 27
C. 13
D. 无定值

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以下程序的运行结果是_______。#include main(){int a[]={1,2,3,4,5,6};int x,y,p;p=&a[0];x=(p+2);y=(p+4);printf("%d,%d,%d\n",p,x,y);}

A. 1,3,5
B. 2,4,6
C. 1,1,1
D. 3,3,3

以下程序的运行结果是________。#include main(){int a[]={1,2,3,4,5,6};int p=a;printf("%d,",p);printf("%d,",(++p));printf("%d,",++p);printf("%d,",(p--));p+=3;printf("%d,%d\n",p,*(a+3));}

A. 1,2,3,3,2,1
B. 1,2,3,3,5,4
C. 1,3,5,3,3,3
D. 1,3,5,5,3,1

以下程序的运行结果是_______。#include main(){char str[2][5]={"7045","9265"},a[2];int i,j,s=0;for (i=0;i<2;i++)a[i]=str[i];for (i=0;i<2;i++)for (j=0;a[i][j]>'0' && a[i][j]<='9';j+=2)s=10s+a[i][j]-'0';printf("%d\n",s);}

A. 7496
B. 70936
C. 74936
D. 704936

以下程序的运行结果是______。#include main(){static char c[]="china";char p=c;while (p)printf("%c",*p++-32);printf("\n");}

A. china
B. CHINA
C. ch
D. 陷入死循环