제출 #1225926

#제출 시각아이디문제언어결과실행 시간메모리
1225926JerSwapping Cities (APIO20_swap)C++20
0 / 100
53 ms6628 KiB
#include "swap.h" #include <bits/stdc++.h> #include <vector> using namespace std; const int MAXN = 1e5 + 5; int s[MAXN], w[MAXN]; int n; void init(int N, int M, std::vector<int> U, std::vector<int> V, std::vector<int> W) { n = N; for (int i = 0; i < n; i++) s[V[i]] = w[V[i]] = W[i]; sort(s, s + n); } #define is_best(i) w[i] == s[1] #define is_second(i) w[i] == s[2] int getMinimumFuelCapacity(int x, int y) { if (n <= 3) return -1; if (x == 0) return 2 * w[y] + 2 * s[1 + (is_best(y))] + 2 * s[2 + (is_best(y))]; int a = 1 + (is_best(x)) + (is_best(y)); if (w[x] != s[1] and w[x] == s[2]) a++; if (w[y] != s[1] and w[y] == s[2]) a++; return (2 * w[x]) + (2 * w[y]) + (2 * s[a]); }
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