제출 #1016907

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1016907		vivkostov	게임 (IOI14_game)	C++14	컴파일 에러	0 ms	0 KiB

game

#include<bits/stdc++.h>
#define endl '\n'
#include "game.h"
using namespace std;
int br[2005][2005],n,v,u,lead[2005];
int fix_lead(int beg)
{
    if(lead[beg]==beg)return beg;
    return fix_lead(lead[beg]);
}
void merg(int v,int u)
{
    v=fix_lead(v);
    u=fix_lead(u);
    br[v][u]--;
    br[u][v]--;
    for(int i=1;i<=n;i++)
    {
        br[v][i]+=br[u][i];
        br[i][v]+=br[i][u];
        br[u][i]=0;
        br[i][u]=0;
    }
    lead[u]=v;
}
void initialize(int N)
{
    n=N;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            br[i][j]=1;
        }
        lead[i]=i;
    }
}
void hasEdge(int v,int u)
{
    v++;
    u++;
    v=fix_lead(v);
    u=fix_lead(u);
    if(br[v][u]==1)
    {
        merg(v,u);
        return 1;
    }
    else
    {
        br[v][u]--;
        br[u][v]--;
        return 1;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

game.cpp:38:6: error: ambiguating new declaration of 'void hasEdge(int, int)'
   38 | void hasEdge(int v,int u)
      |      ^~~~~~~
In file included from game.cpp:3:
game.h:5:5: note: old declaration 'int hasEdge(int, int)'
    5 | int hasEdge(int u, int v);
      |     ^~~~~~~
game.cpp: In function 'void hasEdge(int, int)':
game.cpp:47:16: error: return-statement with a value, in function returning 'void' [-fpermissive]
   47 |         return 1;
      |                ^
game.cpp:53:16: error: return-statement with a value, in function returning 'void' [-fpermissive]
   53 |         return 1;
      |                ^