HODJ 1001 Sum Problem C++解法
2014-04-11 13:05
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1001
#include <iostream> using namespace std; long int Sum(int a) { long int sum=0; for(int i=1;i<=a;i++) sum+=i; return sum; } int main() { int a,b; while(cin>>a) { cout<<Sum(a)<<endl<<endl; //cout<<Sum(b); } }
发现自己英文菜菜的,居然看错题了,还以为是两个数字一起输入的呢,真是郁闷。
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