제출 #79946

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
79946		luckyboy	Košnja (COCI17_kosnja)	C++14	50 / 50	21 ms	924 KiB

kosnja

#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define FORD(i, a, b) for (int i = (a); i >= (b); --i)
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define maxc 1000000007
#define maxn 100005
#define maxm 500005
#define pii pair <int,int>
#define Task "Košnja"
using namespace std;
int n,x,y;
int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    //freopen(Task".inp", "r",stdin);
    //freopen(Task".out", "w",stdout);
    cin >> n;
    while (n--)
    {
        cin >> x >> y;
        if (x > y) swap(x,y);
        if (x & 1) cout << x / 2 * 4 << '\n';
        else cout << x * 2 - 2 << '\n';
    }
    return 0;
}

• Subtask 1: 50 / 50