#include int main(){ int s,n; s=n=0;//1. while(s<1000){ n++;s+=n*n; } printf("n=%d,s=%d",n-1,s-n*n);//2. return 0;}/*运行结果： n=13,s=819*/
s=0;n=0;n,s
s = n = 0n, s
