Submission #1171863

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1171863	2025-03-22 00:32:04	felipehanada	Tracks in the Snow (BOI13_tracks)	C++20	100 / 100	845 ms	70500 KiB

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#include <bits/stdc++.h>
using namespace std;
char grid[4000][4000];
int h, w;
vector<pair<int, int>> border;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> h >> w;
    for (int i=0; i<h; i++) {
        for (int j=0; j<w; j++) {
            cin >> grid[i][j];
        }
    }
    border.push_back({0, 0});
    char animal = grid[0][0];
    char other = ((animal == 'R') ? 'F' : 'R');
    int ans = 0;
    while (!border.empty()) {
        ans++;
        queue<pair<int, int>> q;
        while (!border.empty()) {
            q.push(border.back());
            border.pop_back();
        }
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70