求大神帮我解开疑惑！
int i,sum=0;
i=1;
while(i<=100 ) //循环条件应该是什么呢？
{
sum=sum+i;
i++; //这里是不是应该改变循环变量的值
}
这里面的sum是怎么计算的，我的想法是第一次sum=0+1，第二次sum=1+2，第三次sum=3+3，第4次sum=6+4，可是到这里我就觉得不对了，求大神告诉我正确的计算方法
6 回答
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