贺老师教学链接C语言及程序设计初步本课讲解
问题:求1+2+3+…+100
用while语句实现的程序
#include <stdio.h>int main(){int i=1,sum=0;while (i<=100){sum=sum+i;i++;}printf("sum=%d\n", sum);return 0;}
用do...while语句实现的程序
#include <stdio.h>int main(){int i=1,sum=0;do{sum=sum+i;i++;}while (i<=100);printf("sum=%d\n", sum);return 0;}
用for()语句实现的程序
#include <stdio.h>int main(){int i,sum=0;for(i=1; i<=100; i++){sum=sum+i;}printf("sum=%d\n", sum);return 0;}