int sum=0;
while(sum!=0);
sum=(1+100)*50;
----------------解决方案--------------------------------------------------------
嗯，有意思…………
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----------------解决方案--------------------------------------------------------
有三种方法:
一.
int sum = 0;
for(int i = 1; i <= 100; i++)
sum += i;
二.
int sum = 0,i = 1;
while(1 <= 100){
sum += i;
i++
}
三.
int sum = 0,int i = 1;
do{
sum += i;
i++;
}while(i < 100);
----------------解决方案--------------------------------------------------------