제출 #402857

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
402857		Collypso	자매 도시 (APIO20_swap)	C++17	6 / 100	109 ms	10160 KiB

swap

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define vt vector
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (x).size()
#pragma GCC optimize ("O3")
#pragma GCC optimize ("O2")
//#define endl '\n'
//#define int ll

using namespace std;

bool cycle;
int maxW;

void init(int N, int M, vt<int> U, vt<int> V, vt<int> W)
{
    vt<int> deg(N);
    for(int i = 0; i < M; i++) deg[U[i]]++, deg[V[i]]++, maxW = max(maxW, W[i]);
    cycle = 1;
    for(int i = 0; i < N; i++) cycle = cycle & (deg[i] == 2);
}

int getMinimumFuelCapacity(int X, int Y)
{
    return cycle ? maxW : -1;
}

/**
main()
{
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    freopen("input.txt", "r", stdin);
    int N, M, Q;
    cin >> N >> M;
    vt<int> U, V, W;
    for(int i = 0; i < M; i++) cin >> U[i] >> V[i] >> W[i];
    init(N, M, U, V, W);
    cin >> Q;
    while(Q--)
    {
        int X, Y;
        cin >> X >> Y;
        cout << getMinimumFuelCapacity(X, Y) << endl;
    }

}
/**/

컴파일 시 표준 에러 (stderr) 메시지

swap.cpp:50:1: warning: "/*" within comment [-Wcomment]
   50 | /**/
      |

• Subtask 1: 6 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 17
• Subtask 4: 0 / 20
• Subtask 5: 0 / 23
• Subtask 6: 0 / 27