Submission #507976

#	Time	Username	Problem	Language	Result	Execution time	Memory
507976		wenqi	Tracks in the Snow (BOI13_tracks)	C++14	2.19 / 100	72 ms	31888 KiB

tracks

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

int w, h;
char grid[4069][4069];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> h >> w;
    int f = 0;
    int r = 0;
    for (int i = 0; i < h; i++) {
        cin >> grid[i];
        for (int j = 0; j < w; j++) {
            if (grid[i][j] == 'F') f = 1;
            if (grid[i][j] == 'R') r = 1;
        }
    }
    cout << f + r << '\n';
    return 0;
}

• Subtask 1: 0 / 30
• Subtask 2: 2.1875 / 70