Submission #757332

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
757332	2023-06-13T05:26:28 Z	dxz05	Tracks in the Snow (BOI13_tracks)	C++17	2.1875 / 100	332 ms	15904 KB

tracks

#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx2")

#include <bits/stdc++.h>

using namespace std;

#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define bpc(x) __builtin_popcount(x)
#define bpcll(x) __builtin_popcountll(x)
#define MP make_pair
//#define endl '\n'

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

typedef long long ll;
const int MOD = 1e9 + 7;
const int N = 1e5 + 3e2;

void solve(){
    int n, m;
    cin >> n >> m;

    bool fox = false, rabbit = false;
    for (int i = 0; i < n; i++){
        for (int j = 0; j < m; j++){
            char c;
            cin >> c;
            fox |= c == 'F';
            rabbit |= c == 'R';
        }
    }

    cout << fox + rabbit << endl;

}

int main(){
    clock_t startTime = clock();
    ios_base::sync_with_stdio(false);

#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif

    int test_cases = 1;
//    cin >> test_cases;

    for (int test = 1; test <= test_cases; test++){
        // cout << (solve() ? "YES" : "NO") << endl;
        solve();
    }

#ifdef LOCAL
    cerr << "Time: " << int((double) (clock() - startTime) / CLOCKS_PER_SEC * 1000) << " ms" << endl;
#endif

    return 0;
}

Compilation message

tracks.cpp: In function 'int main()':
tracks.cpp:40:13: warning: unused variable 'startTime' [-Wunused-variable]
   40 |     clock_t startTime = clock();
      |             ^~~~~~~~~

Subtask #1

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	5 ms	564 KB	Output isn't correct
2	Incorrect	1 ms	212 KB	Output isn't correct
3	Incorrect	1 ms	320 KB	Output isn't correct
4	Incorrect	5 ms	464 KB	Output isn't correct
5	Incorrect	2 ms	336 KB	Output isn't correct
6	Incorrect	1 ms	212 KB	Output isn't correct
7	Incorrect	1 ms	212 KB	Output isn't correct
8	Incorrect	1 ms	328 KB	Output isn't correct
9	Incorrect	1 ms	212 KB	Output isn't correct
10	Incorrect	3 ms	388 KB	Output isn't correct
11	Incorrect	1 ms	336 KB	Output isn't correct
12	Incorrect	3 ms	340 KB	Output isn't correct
13	Incorrect	2 ms	340 KB	Output isn't correct
14	Incorrect	4 ms	340 KB	Output isn't correct
15	Incorrect	8 ms	468 KB	Output isn't correct
16	Incorrect	4 ms	468 KB	Output isn't correct
17	Incorrect	5 ms	556 KB	Output isn't correct
18	Incorrect	4 ms	472 KB	Output isn't correct

Subtask #2

2.1875 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	4 ms	376 KB	Output isn't correct
2	Incorrect	26 ms	1748 KB	Output isn't correct
3	Incorrect	257 ms	15900 KB	Output isn't correct
4	Incorrect	83 ms	3880 KB	Output isn't correct
5	Incorrect	147 ms	8988 KB	Output isn't correct
6	Incorrect	269 ms	15904 KB	Output isn't correct
7	Incorrect	2 ms	340 KB	Output isn't correct
8	Incorrect	2 ms	340 KB	Output isn't correct
9	Incorrect	2 ms	340 KB	Output isn't correct
10	Incorrect	2 ms	340 KB	Output isn't correct
11	Incorrect	2 ms	340 KB	Output isn't correct
12	Incorrect	1 ms	340 KB	Output isn't correct
13	Incorrect	26 ms	1824 KB	Output isn't correct
14	Incorrect	17 ms	1100 KB	Output isn't correct
15	Incorrect	18 ms	1196 KB	Output isn't correct
16	Incorrect	14 ms	848 KB	Output isn't correct
17	Incorrect	68 ms	4268 KB	Output isn't correct
18	Incorrect	77 ms	4124 KB	Output isn't correct
19	Incorrect	80 ms	3872 KB	Output isn't correct
20	Incorrect	67 ms	3616 KB	Output isn't correct
21	Incorrect	175 ms	9404 KB	Output isn't correct
22	Incorrect	177 ms	8988 KB	Output isn't correct
23	Incorrect	133 ms	7852 KB	Output isn't correct
24	Incorrect	147 ms	9116 KB	Output isn't correct
25	Incorrect	332 ms	15904 KB	Output isn't correct
26	Correct	212 ms	11996 KB	Output is correct
27	Incorrect	308 ms	11468 KB	Output isn't correct
28	Incorrect	255 ms	11512 KB	Output isn't correct
29	Incorrect	267 ms	11532 KB	Output isn't correct
30	Incorrect	307 ms	11660 KB	Output isn't correct
31	Incorrect	164 ms	10272 KB	Output isn't correct
32	Incorrect	324 ms	11528 KB	Output isn't correct