C++ 代码
#include<bits/stdc++.h>
using namespace std;
int main(){
int x, y;
while (cin >> x >> y, x>0 && y>0){
int flag = 1, sum = 0;
if (x > y) swap(x, y);
for(int i = x; i <= y; i++){
//处理空格
if (flag == 1) flag = 0;
else printf(" ");
sum += i;
printf("%d", i);
}
printf(" Sum=%d\n", sum);
}
return 0;
}