oj.uz

Submission #1087865

# Submission time Handle Problem Language Result Execution time Memory
1087865 2024-09-13T10:32:16 Z whtth Collecting Mushrooms (NOI18_collectmushrooms) C++14
100 / 100
 25 ms 23084 KB 
#include<bits/stdc++.h>
using namespace std;
int n, m, d, k, ans=0;
string S[500010];
vector<vector<int>> s;
int main(){
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    //freopen("collect.inp", "r", stdin);
    //freopen("collect.out", "w", stdout);
    cin>>n>>m>>d>>k;
    for(int i=0;i<n;i++){
        cin>>S[i];
    }
    for(int i=0;i<=n;i++){
        vector<int> row;
        for(int j=0;j<=m;j++)row.push_back(0);
        s.push_back(row);
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            s[i+1][j+1]=s[i+1][j]+s[i][j+1]-s[i][j];
            if(S[i][j]=='S')s[i+1][j+1]++;
        }
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            if(S[i][j]=='M'){
                int o1=i+d, o2=i-d, o3=j-d, o4=j+d;
                int l=max(0, o3);
                int r=min(m-1, o4);
                int d=max(0, o2);
                int u=min(o1, n-1);
                if(s[u+1][r+1]-s[u+1][l]-s[d][r+1]+s[d][l]>=k)ans++;
            }
        }
    }
    cout<<ans;
    return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 15964 KB Output is correct
2 Correct 7 ms 16136 KB Output is correct
3 Correct 6 ms 16156 KB Output is correct
4 Correct 7 ms 15964 KB Output is correct
5 Correct 6 ms 16084 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 15964 KB Output is correct
2 Correct 7 ms 16136 KB Output is correct
3 Correct 6 ms 16156 KB Output is correct
4 Correct 7 ms 15964 KB Output is correct
5 Correct 6 ms 16084 KB Output is correct
6 Correct 6 ms 15964 KB Output is correct
7 Correct 6 ms 16116 KB Output is correct
8 Correct 7 ms 16044 KB Output is correct
9 Correct 6 ms 15964 KB Output is correct
10 Correct 7 ms 15964 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15960 KB Output is correct
2 Correct 7 ms 15964 KB Output is correct
3 Correct 9 ms 15964 KB Output is correct
4 Correct 6 ms 15964 KB Output is correct
5 Correct 7 ms 15964 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 17148 KB Output is correct
2 Correct 9 ms 17244 KB Output is correct
3 Correct 9 ms 17408 KB Output is correct
4 Correct 8 ms 17164 KB Output is correct
5 Correct 9 ms 17240 KB Output is correct

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23076 KB Output is correct
2 Correct 20 ms 22848 KB Output is correct
3 Correct 20 ms 22848 KB Output is correct
4 Correct 16 ms 23084 KB Output is correct
5 Correct 15 ms 22880 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 15964 KB Output is correct
2 Correct 7 ms 16136 KB Output is correct
3 Correct 6 ms 16156 KB Output is correct
4 Correct 7 ms 15964 KB Output is correct
5 Correct 6 ms 16084 KB Output is correct
6 Correct 6 ms 15964 KB Output is correct
7 Correct 6 ms 16116 KB Output is correct
8 Correct 7 ms 16044 KB Output is correct
9 Correct 6 ms 15964 KB Output is correct
10 Correct 7 ms 15964 KB Output is correct
11 Correct 7 ms 15960 KB Output is correct
12 Correct 7 ms 15964 KB Output is correct
13 Correct 9 ms 15964 KB Output is correct
14 Correct 6 ms 15964 KB Output is correct
15 Correct 7 ms 15964 KB Output is correct
16 Correct 9 ms 17148 KB Output is correct
17 Correct 9 ms 17244 KB Output is correct
18 Correct 9 ms 17408 KB Output is correct
19 Correct 8 ms 17164 KB Output is correct
20 Correct 9 ms 17240 KB Output is correct
21 Correct 16 ms 23076 KB Output is correct
22 Correct 20 ms 22848 KB Output is correct
23 Correct 20 ms 22848 KB Output is correct
24 Correct 16 ms 23084 KB Output is correct
25 Correct 15 ms 22880 KB Output is correct
26 Correct 25 ms 20500 KB Output is correct
27 Correct 11 ms 18940 KB Output is correct
28 Correct 12 ms 19288 KB Output is correct
29 Correct 13 ms 19032 KB Output is correct
30 Correct 15 ms 19864 KB Output is correct