제출 #419495

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
419495		den_tar	경찰관과 강도 (BOI14_coprobber)	C++14	컴파일 에러	0 ms	0 KiB

coprobber

#include "coprobber.h"

#include <bits/stdc++.h>

typedef long long ll;

const ll DIM = 5e2 + 7;

vector<ll> a[DIM];

ll vis[DIM];

ll n,fl;

ll police;

void dfs(ll v,ll p){

    vis[v]=1;

    for(auto to:a[v]){
     if(vis[to]==2 || to==p)continue;
     if(vis[to]==1){
      fl=1;
      return;
     }

     dfs(to,v);

     if(fl==1)return;
    }

    vis[v]=2;
}

void dfs1(ll v,ll d){
     vis[v]=d;
     for(auto to:a[v])
      if(vis[to]==(-1))dfs1(to,d+1);
}

int start(int N, bool A[MAX_N][MAX_N])
{

    n=N;

    for(int i=0;i<n;i++)
     for(int j=0;j<n;j++)
      if(A[i][j])a[i].push_back(j);

    dfs(0,(-1));

    if(fl==1)return -1;

    police=0;

    return police;
}

int nextMove(int R)
{
    for(int i=0;i<n;i++)vis[i]=(-1);

    dfs1(R,0);

    if(vis[police]>1){

     for(auto to:a[police]){

      if(vis[to]<vis[police]){
       police=to;
       break;
      }

     }

    }

    return police;
}

컴파일 시 표준 에러 (stderr) 메시지

coprobber.cpp:9:1: error: 'vector' does not name a type
    9 | vector<ll> a[DIM];
      | ^~~~~~
coprobber.cpp: In function 'void dfs(ll, ll)':
coprobber.cpp:21:17: error: 'a' was not declared in this scope
   21 |     for(auto to:a[v]){
      |                 ^
coprobber.cpp: In function 'void dfs1(ll, ll)':
coprobber.cpp:38:18: error: 'a' was not declared in this scope
   38 |      for(auto to:a[v])
      |                  ^
coprobber.cpp: In function 'int start(int, bool (*)[500])':
coprobber.cpp:49:18: error: 'a' was not declared in this scope
   49 |       if(A[i][j])a[i].push_back(j);
      |                  ^
coprobber.cpp: In function 'int nextMove(int)':
coprobber.cpp:68:18: error: 'a' was not declared in this scope
   68 |      for(auto to:a[police]){
      |                  ^