Submission #1277517

#	Time	Username	Problem	Language	Result	Execution time	Memory
1277517		almaz	Tracks in the Snow (BOI13_tracks)	C++20	2.19 / 100	58 ms	18204 KiB

tracks

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

#define int long long
// #define endl '\n'
#define ff first
#define ss second
#define pb push_back
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define arr array

const int MOD = 1e9 + 7,INF = 1e18, N = 2e5 + 5;
/*
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
31
32
33
34
3
1 3 2
3
1 3 3
3
1 3 4
3
1 4 1
3
1 4 2
3
1 4 3
3
1 4 4
3
2 1 1
3
2 1 2
3
2 1 3
3
2 1 4
3
2 2 1
3
2 2 2
3
2 2 3
3
2 2 4
3
2 3 1
3
2 3 2
3
2 3 3
3
2 3 4
3
2 4 1
3
2 4 2
3
2 4 3
3
2 4 4
*/

void solve(){
	int n , m;
	cin >> n >> m;
	
	vector <string> a(n);
	
	for(int i = 0;i < n;i++){
		cin >> a[i];
	}
	int cnt1 = 0, cnt2 = 0;
	for(int i = 0;i < n;i++){
		for(int j = 0;j < m;j++){
			if(a[i][j] == 'F'){
				cnt1++;
			}
			else if(a[i][j] == 'R'){
				cnt2++;
			}
		}
	}
	
	if(!cnt1 && !cnt2){
		cout<<"0";
	}
	else if(cnt1 && cnt2){
		cout<<"2";
	}
	else{
		cout<<"1";
	}
}


signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int ti = 1;
    // cin >> ti;
    while (ti--) {
		solve();
    }
}

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