C++----练习--while求和

#include<iostream>

int main()
{
    std::cout<<"本程序完成1 + 2 + 3 ... 99 + 100"<<std::endl;
    int sum=0,i=1;
    while(i<=100)
        {
            sum=sum+i;
            i=i+1;
        }
    std::cout<<"1 + 2 + 3 ... + 99 + 100 ="<<sum<<std::endl;
    return 0;
}

g++ -o main main.cpp 

[root@workstudio tmp]# ./main
本程序完成1 + 2 + 3 ... 99 + 100
1 + 2 + 3 ... + 99 + 100 =5050