
#include<iostream>
#include<vector>
using namespace std;
int main ()
{
vector<int> v;
vector<int>::iterator iter1;
vector<int>::iterator iter2;
int s,tmp;
cin>>s;
while (cin>>tmp)
{
v.push_back(tmp);
}
iter2=v.end();
for(iter1=v.begin();iter1!=v.end();iter1++)
{
for(iter2=v.end();iter2!=v.begin();iter2--)
{
if(*iter1+*iter2==s&&iter1<iter2)
{
if(*iter1<*iter2)
cout<<*iter1<<" + "<<*iter2<<" = "<<s<<endl;
}
}
}
}



by: 发表于:2017-09-01 09:53:12 顶(0) | 踩(0) 回复
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