Submission #4044369

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Source Code Expand

#include <iostream>
#include <utility>

using namespace std;

using P = pair<int, int>;

P rotate90(const P& p1, const P& p2) {
    return P(p1.second - p2.second, p2.first - p1.first);
}

int main() {
    P p1, p2;
    cin >> p1.first >> p1.second >> p2.first >> p2.second;
    P p3 = rotate90(p1, p2);
    p3.first += p2.first;
    p3.second += p2.second;
    P p4 = rotate90(p2, p3);
    p4.first += p3.first;
    p4.second += p3.second;
    cout << p3.first << ' '
         << p3.second << ' '
         << p4.first << ' '
         << p4.second << endl;
}

Submission Info

Compile Error

./Main.cpp:6:11: warning: alias declarations are a C++11 extension [-Wc++11-extensions]
using P = pair<int, int>;
          ^
1 warning generated.

Judge Result