Submission #544168

#	Time	Username	Problem	Language	Result	Execution time	Memory
544168		sksusha8853	Tracks in the Snow (BOI13_tracks)	C++17	2.19 / 100	73 ms	35928 KiB

tracks

#include<bits/stdc++.h>
using namespace std;
#define ll   long long int
#define pb   push_back
#define all(v) v.begin(),v.end()
#define umap unordered_map
void fileIO(string filename) {
	freopen((filename + ".in").c_str(), "r", stdin);
	freopen((filename + ".out").c_str(), "w", stdout);
}
ll mod=1e9+7;

void solve(){
	int h,w;
	cin>>h>>w;
	vector<string>vs(h);
	for(int i=0;i<h;i++){
		cin>>vs[i];
	}
	vector<vector<bool>>vis(h,vector<bool>(w,false));
	int ans=0;
	int cnt1=0,cnt2=0;
	for(int i=0;i<h;i++){
		for(int j=0;j<w;j++){
			if(vs[i][j]=='R'){
				cnt1=1;
			}
			if(vs[i][j]=='F'){
				cnt2=1;
			}

			// if(vis[i][j])continue;
			// if(vs[i][j]=='.'){
			// 	vis[i][j]=true;
			// 	continue;
			// }
			// queue<pair<int,int>>Q;

		}
	}
	cout<<cnt1+cnt2;





	
}

int main()
{ios_base::sync_with_stdio(false);cin.tie(0);cin.tie(0);
	 //fileIO("");
	 int t=1;
	 //cin>>t;
	 while(t--)solve();
	 
return 0;}

Compilation message (stderr)

tracks.cpp: In function 'void solve()':
tracks.cpp:21:6: warning: unused variable 'ans' [-Wunused-variable]
   21 |  int ans=0;
      |      ^~~
tracks.cpp: In function 'void fileIO(std::string)':
tracks.cpp:8:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |  freopen((filename + ".in").c_str(), "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tracks.cpp:9:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |  freopen((filename + ".out").c_str(), "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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