제출 #330238

#제출 시각아이디문제언어결과실행 시간메모리
330238egasSwapping Cities (APIO20_swap)C++14
0 / 100
480 ms38152 KiB
#include <bits/stdc++.h> using namespace std; map<int,set<int>> adj; map<pair<int,int>,int> edwt; int SUBTASK1=0; bool isCyc=0; bool isCycle(){ for(auto x:adj){ if(x.second.size()<=1)return false; } } void init(int N, int M,std::vector<int> U, std::vector<int> V, std::vector<int> W) { for(int i=0;i<M;i++){ int x=U[i]; int y=V[i]; int z=W[i]; SUBTASK1=max(SUBTASK1,(W[i])); adj[x].insert(y); adj[y].insert(x); edwt[{x,y}]=z; edwt[{y,x}]=z; } isCyc=isCycle(); } int getMinimumFuelCapacity(int X, int Y) { if(isCyc){ return SUBTASK1; }else return -1; }

컴파일 시 표준 에러 (stderr) 메시지

swap.cpp: In function 'bool isCycle()':
swap.cpp:14:1: warning: control reaches end of non-void function [-Wreturn-type]
   14 | }
      | ^
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