제출 #745785

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
745785	2023-05-21 07:43:10	darshitjn	Tracks in the Snow (BOI13_tracks)	C++14	81.35 / 100	1393 ms	232348 KiB

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pi pair<int,int>
int32_t main(){
    int n,m; cin >> n >> m;
    string s[m];
    for(int i=0; i<m; i++){
        cin >> s[i];
    }
    vector <pi> v = {{1,0},{0,1},{-1,0},{0,-1}};
    if(s[0][0]=='.'){cout << 0 << endl; return 0;}
    int ans = 1;
    vector <vector<bool>> vis(n,vector<bool>(m,0));
    vis[0][0] = 1;
    deque <pi> q;
    q.push_front({0,0});
    vector <vector<int>> d(n,vector<int>(m,0));
    d[0][0] = 1;
    function <bool(int,int)> ok = [&](int x,int y){
        if(x<0 || x>n-1 || y<0 || y>m-1){return false;}
        if(vis[x][y]){return false;}
        return (s[x][y] != '.');
    };
    function <void(pi)> process = [&](pi k){
 
 
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• Subtask 1: 26.666666666666668 / 30
• Subtask 2: 54.6875 / 70