Submission #1286129

#	Time	Username	Problem	Language	Result	Execution time	Memory
1286129		justyuu1702	Tracks in the Snow (BOI13_tracks)	C++20	2.19 / 100	154 ms	16088 KiB

tracks

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define pll pair<ll,ll>
#define fi first
#define se second
const ll MaxN = 1e6+5;
char a[4001][4001];
int main()
{
	ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
	//your code here:
	ll h,w;
	cin>>h >>w;
	bool flagF = false;
	bool flagR = false; 
	for(ll i=1; i<=h; i++)
		for(ll j=1; j<=w; j++)
		{
			cin>>a[i][j];
			if(a[i][j]=='R' && !flagR) flagR = true;
			if(a[i][j]=='F' && !flagF) flagF = true;
		}
	if(flagF && flagR) cout<<2 <<endl;
	else cout<<1 <<endl;
	return 0;
}

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