标签：printf for clu += include std turn main des
int main(void){
int i,j,sum,allsum;
for(j=1;j<=50;j++)
{sum=0;
for(i=1;i<=j;i++)
sum+=i;
allsum+=sum;
}
printf("%d",allsum);
return 0;
}
标签：printf for clu += include std turn main des
原文地址：https://www.cnblogs.com/LanYuauAn/p/14023543.html
