Submission #1084632

#	Time	Username	Problem	Language	Result	Execution time	Memory
1084632		blackslex	Swapping Cities (APIO20_swap)	C++17	7 / 100	83 ms	11100 KiB

swap

#include "swap.h"
#include <vector>
#include<bits/stdc++.h>

using namespace std;
using pii = pair<int, int>;

int n, m;
vector<int> w;
vector<pii> c;

void init(int N, int M, std::vector<int> U, std::vector<int> V, std::vector<int> W) {
  n = N; m = M;
  w.resize(n + 5);
  for (int i = 0; i < m; i++) c.emplace_back(W[i], V[i]), w[V[i]] = W[i];
  sort(c.begin(), c.end());
}

int getMinimumFuelCapacity(int X, int Y) {
  if (X > Y) swap(X, Y);
  int ans = -1;
  vector<int> aux;
  for (auto &[x, y]: c) {
    if (y == X || y == Y) continue;
    aux.emplace_back(x);
    if (aux.size() == 2) break;
  }
  if (!X && aux.size() >= 2) ans = max(aux[1], w[Y]);
  if (X && aux.size() >= 1) ans = max({aux[0], w[X], w[Y]});
  return ans;
}

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