题目内容

从键盘上输入1时，程序运行结果是？#include "stdio.h"void main(){int k,sum=0;scanf("%d",&k);do{sum= sum+k;k++;} while(k<= 10);printf("sum is %d",sum);}

A. 0
B. 1
C. 11
D. 55

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从键盘上输入11时，程序运行结果是？#include "stdio.h"void main(){intk,sum=0;scanf("%d",&k);do{sum=sum+k;k++;} while(k<= 10);printf("sum is %d",sum);}

A. 0
B. 1
C. 11
D. 55

从键盘上输入1时，程序运行结果是？#include "stdio.h"void main(){int k,sum=0;scanf("%d",&k);while(k<= 10){sum= sum+k;k++;}printf("sum is %d",sum);}

A. 0
B. 1
C. 11
D. 55

从键盘上输入11时，程序运行结果是？#include "stdio.h"void main(){intk,sum=0;scanf("%d",&k);while(k<= 10){sum=sum+k;k++;}printf("sum is %d",sum);}

A. 0
B. 1
C. 11
D. 55

不合法的常量是

A. '/2'
B. ""
C. ''
D. "483"