Submission #807468

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
807468	2023-08-04 17:50:55	gtm7	Tracks in the Snow (BOI13_tracks)	C++17	82.50 / 100	2084 ms	178312 KiB

tracks

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
int a[4000][4000];
bool visited[4000][4000]{false};
int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};
int main()
{
    int h, w;
    cin >> h >> w;
    char ch;
    for (int i = 0; i < h; i++)
    {
        for (int j = 0; j < w; j++)
        {
            cin >> ch;
            if (ch == 'F')
                a[i][j] = 1;
            else if (ch == 'R')
                a[i][j] = 2;
            else
                a[i][j] = 3;
        }
    }
    int ans = 1;
    set<vector<int>> q;
    vector<int> s;
    int ii, jj;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 30 / 30
• Subtask 2: 52.5 / 70