C++(씨쁠쁠)(cplusplus)-백준(baekjoon)(BaekJoon)코딩 3009번:네번째 점 답

#include <iostream>
using namespace std;
int main() {
    int a[3][2],x,y;
    for (int i = 0; i < 3; i++)
        for (int j = 0; j < 2; j++)
            cin >> a[i][j];
    x = a[0][0];
    y = a[0][1];
    x = a[1][0] == x ? a[2][0] : (a[1][0] == a[2][0] ? x : a[1][0]);
    y = a[1][1] == y ? a[2][1] : (a[1][1] == a[2][1] ? y : a[1][1]);
    cout << x << ' ' << y;
}