Submission #4316393


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define MM 1000000000
#define MOD MM+7
#define MAX 10000
#define MAP 100
#define MAX_N 100000
#define Pair pair<int,int>
int dx[4] = {-1, 0, 1, 0};
int dy[4] = {0, -1, 0, 1};
int dist[MAP][MAP];
int h[MAX_N];
int dp[MAX_N];
int R,C;
Pair s, g;
char c[MAP][MAP];
int bfs(){
    queue<Pair> que;
    que.push(Pair(s.first-1,s.second-1));
    for(int i = 0; i < R; i++){
        for(int j = 0; j < W; j++){
            dist[i][j] = MM;
        }
    }
    dist[s.first-1][s.second-1] = 0;
    for(int i = 0; i < 4; i++){
        Pair p = que.front();
        que.pop();
        int ny = p.first + dy[i];
        int nx = p.second + dx[i];
        if(0<=nx && nx<10 && 0<=ny && ny<10 && c[ny][nx] == '.'){
            que.push(Pair(ny,nx));
            dist[ny][nx] = dist[p.first][p.second]+1;
        }
    }
    return dist[g.first-1][g.second-1];
}
int main(){
    cin >> R >> C;
    cin >> s.first >> s.second;
    cin >> g.first >> g.second;
    for(int i = 0; i < R; i++){
        for(int j = 0; j < R; j++){
            cin >> c[i][j];
        }
    }
    int ans = bfs();
    cout << ans << endl;
}

Submission Info

Submission Time
Task C - 幅優先探索
User Kant
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1223 Byte
Status CE

Compile Error

./Main.cpp: In function ‘int bfs()’:
./Main.cpp:22:28: error: ‘W’ was not declared in this scope
         for(int j = 0; j < W; j++){
                            ^