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Copy pathUva10125.cpp
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58 lines (52 loc) · 1.51 KB
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#include <iostream>
#include <string>
#include <cstdio>
#include <cstdlib>
#include <vector>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <algorithm>
#include <sstream>
#include <set>
#include <string.h>
using namespace std;
int main()
{
int N;
while(cin>>N){
if(N==0)break;
vector<int> nums;
for(int i=0;i<N;i++){
int n;cin>>n;nums.push_back(n);
}
sort(nums.begin(),nums.end());
bool exist=false;
int largest=-INFINITY;
for(int i=nums.size()-1;i>=0;i--){
for(int j=nums.size()-1;j>=0;j--){
if(i!=j){
for(int k=nums.size()-1;k>=0;k--){
if(k!=i && k!=j && i!=j){
for(int n=nums.size()-1;n>=0;n--){
if(n!=i && n!=j && n!=k && k!=i && k!=j && i!=j){
int val=nums[i];
int sum=nums[j] + nums[k] + nums[n];
if(sum==val){
if(largest<val)largest=val;
exist=true;
goto out;
}
}
}
}
}
}
}
}
out:
if(exist)cout<<largest<<endl;
else cout<<"no solution"<<endl;
}
return 0;
}