제출 #802736

#제출 시각아이디문제언어결과실행 시간메모리
802736radaiosm7Swapping Cities (APIO20_swap)C++11
0 / 100
99 ms6660 KiB
#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
int i, n;
bool visited[100005];
int we[100005];
pair<int, int> tw[100005];
bool cycle;

void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) {
  n = N;
  for (i=0; i < M; ++i) tw[i] = make_pair(W[i], V[i]);
  sort(tw, tw+M);
  for (i=0; i < M; ++i) we[V[i]] = W[i];
}

int getMinimumFuelCapacity(int X, int Y) {
  if (X == 0 || Y == 0 || n <= 3) return -1;
  else for (i=0; i < 3; ++i) if (tw[i].second != X && tw[i].second != Y) return max({we[X], we[Y], tw[i].first});
}

컴파일 시 표준 에러 (stderr) 메시지

swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type]
   20 | }
      | ^
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