Question

编程求1-n和的函数,调用函数计算s=1+(1+2)+(1+2+3)+…..(1+2+3+…+10

Answer 1

int Add(int m)
{
int Sum = 0;
for (int i = 1; i <= m ;i++ )
{
int s = 0;

for (int j = 1; j <= i;j++ ) //内层循环求（1+..i）
{
s += j;
}

Sum+=s; //外层把累加的和再加起来
}
return Sum;
}