[C++] 백준 2309번 : 일곱 난쟁이

https://www.acmicpc.net/problem/2309

#include <iostream>

#include <algorithm>

using namespace std;

int main() {

cin.tie(NULL);

ios::sync_with_stdio(false);

int ary[9];

int n,sum = 0;

for (int i = 0; i < 9; i++)

{

cin >> ary[i];

sum += ary[i];

}

int sum2 = sum;

for (int i = 0; i < 8; i++)

{

sum2 = sum;

sum2 -= ary[i];

for (int j = i + 1; j < 9; j++)

{

if ((sum2 - ary[j]) == 100)

{

ary[i] = -1;

ary[j] = -1;

goto outside;

}

}

}

outside:

sort(ary, ary + 9);

for (int i = 2; i < 9; i++)

cout << ary[i] << "\n";

}