#include <stdio.h>int main(){??? int i=1,sum=0;??? while(?? i <= 100? )? //循環(huán)條件應該是什么呢？??? {??????? sum=sum+i;??????? i++;????????? //這里是不是應該改變循環(huán)變量的值??? }??? printf("100以內(nèi)所有整數(shù)之和為：%d\n", sum);??? return 0;}