제출 #599994

#제출 시각아이디문제언어결과실행 시간메모리
599994daisy2게임 (IOI14_game)C++14
0 / 100
0 ms212 KiB
#include "game.h"
#include<vector>
using namespace std;
int par[1505];
bool used[1505][1505];
vector<int> com;
void initialize(int n) {

   com.push_back(1);
   for(int i=1;i<=n;i++)
   {
       par[i]=i;
   }
}
int find_par(int vr)
{
    if(vr==par[vr]) return vr;
    return par[vr]=find_par(par[vr]);
}
int hasEdge(int u, int v) {

    u++;v++;
    used[u][v]=used[v][u]=1;

    u=find_par(u);
    v=find_par(v);

    if(u!=1 && v!=1)
        return 0;

    if(u==1 && v==1)
        return 0;

    if(v==1) swap(u,v);

    for(int i=0;i<com.size();i++)
    {
        if(!used[v][com[i]])
        {
            return 0;
        }
    }
    par[v]=u;
    return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'int hasEdge(int, int)':
game.cpp:36:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     for(int i=0;i<com.size();i++)
      |                 ~^~~~~~~~~~~
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