제출 #136158

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
136158		zoooma13	게임 (IOI14_game)	C++14	컴파일 에러	0 ms	0 KiB

game

#include "bits/stdc++.h"
#include "game.h"
using namespace std;

#define MAX_N 1503

int n;
set <int> adj[MAX_N];

void initialize(int N) {
    n = N;
    for(int u=0; u<n; u++)
    for(int v=u+1; v<n; v++){
        adj[u].insert(v);
        adj[v].insert(u);
    }
}

int conn = 0;
bool vis[MAXN];
void dfs(int u){
    vis[u] = 1;
    conn++;
    for(auto&v : adj[u]) if(!vis[v])
        dfs(v);
}

int hasEdge(int u, int v) {
    adj[u].erase(v);
    adj[v].erase(u);
    memset(vis ,0 ,sizeof vis);
    conn = 0;
    dfs(u);
    if(conn == n)
        return 0;
    adj[u].insert(v);
    adj[v].insert(u);
    return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

game.cpp:20:10: error: 'MAXN' was not declared in this scope
 bool vis[MAXN];
          ^~~~
game.cpp:20:10: note: suggested alternative: 'MAX_N'
 bool vis[MAXN];
          ^~~~
          MAX_N
game.cpp: In function 'void dfs(int)':
game.cpp:22:5: error: 'vis' was not declared in this scope
     vis[u] = 1;
     ^~~
game.cpp: In function 'int hasEdge(int, int)':
game.cpp:31:12: error: 'vis' was not declared in this scope
     memset(vis ,0 ,sizeof vis);
            ^~~