제출 #777853

#제출 시각아이디문제언어결과실행 시간메모리
777853t6twotwoSwapping Cities (APIO20_swap)C++17
7 / 100
74 ms10148 KiB
#include "swap.h" #include <bits/stdc++.h> using namespace std; int N, x, y, z; vector<int> a; constexpr int inf = 2e9; void init(int n, int M, vector<int> U, vector<int> V, vector<int> W) { N = n; a.resize(N); for (int i = 0; i < M; i++) { a[V[i]] = W[i]; } sort(W.begin(), W.end()); if (N >= 4) { x = W[0]; y = W[1]; z = W[2]; } } int getMinimumFuelCapacity(int X, int Y) { if (N < 4) { return -1; } if (X == 0) { return (a[Y] == x || a[Y] == y) ? z : a[Y]; } if (Y == 0) { return (a[X] == x || a[X] == y) ? z : a[X]; } if (a[X] > a[Y]) { swap(X, Y); } return x == a[X] ? (y == a[Y] ? z : a[Y]) : a[Y]; }
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