[백준 / c++] 3009번: 네 번째 점 해답

https://www.acmicpc.net/problem/3009

 

 

 

-문제-

 

 

---

 

-정답-

#include <iostream>
using namespace std;

int x[1001] = {0, };
int y[1001] = {0, };

int main() {
  int a, b;

  for(int i = 0; i < 3; i++) {
    cin >> a >> b;
    x[a]++;
    y[b]++;
  }

  for(int i = 0; i < 1001; i++) {
    if(x[i] == 1) {
     cout << i << " ";
    }
  }

  for(int i = 0; i < 1001; i++) {
    if(y[i] == 1) {
      cout << i;
    }
  }


  return 0;
}