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Submission #94962

# Submission time Handle Problem Language Result Execution time Memory
94962 2019-01-25T20:04:31 Z SecretAgent007 Collecting Mushrooms (NOI18_collectmushrooms) C++17
100 / 100
 25 ms 13560 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

vector< vector<int> > Graph;
vector< vector<char> > graph;

void upd(int x, int y, int u, int v){
    Graph[x][y]++;
    Graph[x][v+1]--;
    Graph[u+1][y]--;
    Graph[u+1][v+1]++;
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, m, d, k;
    cin >> n >> m >> d >> k;
    Graph.resize(n+2);
    graph.resize(n+2);
    for(int i = 0; i <= n+1; i++){
        Graph[i].resize(m+2);
        graph[i].resize(m+2);
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <=m; j++){
            cin >> graph[i][j];
            if(graph[i][j] == 'S'){
                upd(max(i-d,(int)1), max(j-d, (int)1), min(i+d,n), min(j+d,m));
            }
        }
    }
    int tot = 0;

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <=m; j++){
            Graph[i][j] += Graph[i][j-1] + Graph[i-1][j] - Graph[i-1][j-1];
            if(graph[i][j] == 'M' && Graph[i][j] >= k) tot++;
        }
    }
    cout << tot << endl;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2172 KB Output is correct
2 Correct 6 ms 2168 KB Output is correct
3 Correct 7 ms 2808 KB Output is correct
4 Correct 7 ms 2424 KB Output is correct
5 Correct 7 ms 2552 KB Output is correct

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 13560 KB Output is correct
2 Correct 21 ms 13560 KB Output is correct
3 Correct 21 ms 13560 KB Output is correct
4 Correct 25 ms 13560 KB Output is correct
5 Correct 22 ms 13560 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 6 ms 2172 KB Output is correct
17 Correct 6 ms 2168 KB Output is correct
18 Correct 7 ms 2808 KB Output is correct
19 Correct 7 ms 2424 KB Output is correct
20 Correct 7 ms 2552 KB Output is correct
21 Correct 22 ms 13560 KB Output is correct
22 Correct 21 ms 13560 KB Output is correct
23 Correct 21 ms 13560 KB Output is correct
24 Correct 25 ms 13560 KB Output is correct
25 Correct 22 ms 13560 KB Output is correct
26 Correct 20 ms 7188 KB Output is correct
27 Correct 14 ms 5320 KB Output is correct
28 Correct 16 ms 5412 KB Output is correct
29 Correct 15 ms 5408 KB Output is correct
30 Correct 19 ms 6520 KB Output is correct