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Submission #1006059

# Submission time Handle Problem Language Result Execution time Memory
1006059 2024-06-23T10:51:12 Z christinelynn Collecting Mushrooms (NOI18_collectmushrooms) C++17
100 / 100
 1010 ms 29800 KB 
#include <bits/stdc++.h>
using namespace std;

# define int long long
# define fir first
# define sec second
# define pb push_back
# define endl "\n"

const int cnst = 2e5+5;
bool mutipletestcase = 0;
//bool debug = false;

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

    char table[n+5][m+5];
    int pre[n+5][m+5];

    memset(pre, 0, sizeof(pre));

    for(int i = 1; i<=n; i++) for(int j = 1; j<=m; j++) {
        cin >> table[i][j];

        if(table[i][j] == 'S') 
        pre[max(1ll, i-d)][max(1ll, j-d)]++, 
        pre[min(n+1, i+d+1)][min(m+1, j+d+1)]++, 
        pre[max(1ll, i-d)][min(m+1, j+d+1)]--, 
        pre[min(n+1, i+d+1)][max(1ll, j-d)]--;
    }

    int ans = 0;
    for(int i = 1; i<=n; i++) for(int j = 1; j<=m; j++) {
        pre[i][j] += pre[i-1][j] + pre[i][j-1] - pre[i-1][j-1];
        cerr << pre[i][j] << " ";
        if(j == m) cerr << endl;
        if(table[i][j] == 'M' && pre[i][j] >= s) ans++;
    }

    cout << ans << endl;
}

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(0);
    int t = 1;
    if(mutipletestcase) cin >> t; 
    while(t--) solve();
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 16 ms 568 KB Output is correct
3 Correct 20 ms 560 KB Output is correct
4 Correct 5 ms 348 KB Output is correct
5 Correct 6 ms 404 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 16 ms 568 KB Output is correct
3 Correct 20 ms 560 KB Output is correct
4 Correct 5 ms 348 KB Output is correct
5 Correct 6 ms 404 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 17 ms 568 KB Output is correct
9 Correct 7 ms 388 KB Output is correct
10 Correct 2 ms 348 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 344 KB Output is correct
2 Correct 8 ms 348 KB Output is correct
3 Correct 19 ms 552 KB Output is correct
4 Correct 2 ms 464 KB Output is correct
5 Correct 11 ms 512 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 380 ms 2660 KB Output is correct
2 Correct 405 ms 2900 KB Output is correct
3 Correct 496 ms 3412 KB Output is correct
4 Correct 413 ms 3104 KB Output is correct
5 Correct 434 ms 2700 KB Output is correct

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 975 ms 29752 KB Output is correct
2 Correct 954 ms 28240 KB Output is correct
3 Correct 984 ms 29800 KB Output is correct
4 Correct 983 ms 29780 KB Output is correct
5 Correct 972 ms 29524 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 16 ms 568 KB Output is correct
3 Correct 20 ms 560 KB Output is correct
4 Correct 5 ms 348 KB Output is correct
5 Correct 6 ms 404 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 17 ms 568 KB Output is correct
9 Correct 7 ms 388 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 8 ms 348 KB Output is correct
13 Correct 19 ms 552 KB Output is correct
14 Correct 2 ms 464 KB Output is correct
15 Correct 11 ms 512 KB Output is correct
16 Correct 380 ms 2660 KB Output is correct
17 Correct 405 ms 2900 KB Output is correct
18 Correct 496 ms 3412 KB Output is correct
19 Correct 413 ms 3104 KB Output is correct
20 Correct 434 ms 2700 KB Output is correct
21 Correct 975 ms 29752 KB Output is correct
22 Correct 954 ms 28240 KB Output is correct
23 Correct 984 ms 29800 KB Output is correct
24 Correct 983 ms 29780 KB Output is correct
25 Correct 972 ms 29524 KB Output is correct
26 Correct 1010 ms 8788 KB Output is correct
27 Correct 1002 ms 7784 KB Output is correct
28 Correct 944 ms 8816 KB Output is correct
29 Correct 1006 ms 8216 KB Output is correct
30 Correct 983 ms 8276 KB Output is correct