제출 #743077

#제출 시각아이디문제언어결과실행 시간메모리
743077vjudge1Lasers (NOI19_lasers)C++17
0 / 100
1 ms344 KiB

#include<bits/stdc++.h>

using namespace std;

using ll = long long ;
using pii = pair<ll , ll> ;
using i3 = tuple<ll , ll , ll> ;

const int MOD = 1e9+7 , N = 1e5+5 ;

int n , m , cnt , ans , qs[N] ;

int l , r ;

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

    cin >> l >> r ;

    int x ;
    cin >> x ;

    int x1 ; cin >> x1 ;
    int ans = x1 - (l - x1 + 1) + 1 ;

    cout << ans ;
}
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