Submission #843182

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
843182	2023-09-03 18:48:31	Youssif_Elkadi	Tracks in the Snow (BOI13_tracks)	C++17	13.13 / 100	466 ms	66652 KiB

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double ld;
#define pb push_back
#define sz(x) int(x.size())
#define all(x) x.begin(), x.end()
#define F first
#define S second
const int N = 4000;
int n, m, ans = 1;
char c[N][N];
bool fc[N][N];
int dx[] = {1, -1, 0, 0};
int dy[] = {0, 0, 1, -1};
vector<pair<int, int>> f, r;
bool vis[N][N];
 
void dfs(int i, int j)
{
    for (int ii = 0; ii < 4; ii++)
    {
        int nx = i + dx[ii], ny = j + dy[ii];
        if (nx < 0 || ny < 0 || nx >= n || ny >= m)
            continue;
 
        if (c[nx][ny] == c[0][0])
        {
            if (!fc[nx][ny] && !vis[nx][ny]){
                
 
 
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• Subtask 1: 0 / 30
• Subtask 2: 13.125 / 70