제출 #966005

#제출 시각아이디문제언어결과실행 시간메모리
966005JungPSLasers (NOI19_lasers)C++14
0 / 100
1 ms348 KiB
#include<iostream>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
    int l,r,x,tmp;
    cin >> l >> r;
    cin >> x >> tmp;
    cout << 2*tmp-l;
}
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