例4-3
2013-10-05 12:37 Summer.xia 阅读(94) 评论(0) 编辑 收藏 举报#include<stdio.h> int main(void) { int count,number; count=0; printf("Enter a number:"); scanf("%d",&number); if(number<0)number=-number; do{ number=number/10; count++; }while(number!=0); printf("It contains %d digits.\n",count); return 0; }