제출 #979522

#제출 시각아이디문제언어결과실행 시간메모리
979522vjudge1자매 도시 (APIO20_swap)C++17
6 / 100
77 ms6332 KiB
#include "swap.h" #include <bits/stdc++.h> using namespace std; using ll = long long; const int N = 100100; const int INF = 1e9; int mx_w; int deg[N]; bool is_cycle; void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) { mx_w = -INF; is_cycle = true; for (int i = 0; i < N; i++) deg[i] = 0; for (int i = 0; i < M; i++) { deg[V[i]]++; deg[U[i]]++; mx_w = max(mx_w, W[i]); } for (int i = 0; i < N; i++) { is_cycle &= (deg[i] == 2); } } int getMinimumFuelCapacity(int X, int Y) { if (is_cycle) return mx_w; return -1; }
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