제출 #650287

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
650287		mychecksedad	Tracks in the Snow (BOI13_tracks)	C++17	2.19 / 100	88 ms	64944 KiB

tracks

/* Author : Mychecksdead */
#include<bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long int ll;
typedef long double ld;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define setp() cout << setprecision(15)
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " is " << x << '\n';
const int N = 1e6+100, M = 1e5+10, F = 2147483646, K = 20;


int n, m;
string s[N];
void solve(){
    cin >> n >> m;
    for(int i = 0; i < n; ++i) cin >> s[i];
    bool a = 0, b = 0;
    for(int i = 0; i < n; ++i){
        for(int j = 0; j < m; ++j){
            if(s[i][j] == 'R') a = 1;
            if(s[i][j] == 'F') b = 1;
        }
    }
    if(a&b) cout << 2;
    else if(a|b) cout << 1;
    else cout << 0;
}





int main(){
    cin.tie(0); ios::sync_with_stdio(0);
    int T = 1, aa;
    // cin >> T;aa=T;
    while(T--){
        // cout << "Case #" << aa-T << ": ";
        solve();
        cout << '\n';
    }
    return 0;
 
}

컴파일 시 표준 에러 (stderr) 메시지

tracks.cpp: In function 'int main()':
tracks.cpp:41:16: warning: unused variable 'aa' [-Wunused-variable]
   41 |     int T = 1, aa;
      |                ^~

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