oj.uz

Submission #182427

# Submission time Handle Problem Language Result Execution time Memory
182427 2020-01-09T20:42:34 Z duttaditya18 Collecting Mushrooms (NOI18_collectmushrooms) C++17
79 / 100
 2000 ms 11660 KB 
#include <bits/stdc++.h>

using namespace std;
#define fi first
#define se second

int main(void)
{
    int r, c, d, k; cin >> r >> c >> d >> k;

    vector<pair<int, int>> v;
    vector<pair<int, int>> s;

    char x;

    for(int i = 1; i <= r; i++)
    {
        for(int j = 1; j <= c; j++)
        {
            cin >> x;
            if(x == 'M') v.push_back(make_pair(i, j));
            if(x == 'S') s.push_back(make_pair(i, j));
        }
    }

    int a[r + 2][c + 2] = {};

    for(auto u : s)
    {
        // cout << u.fi << " " << u.se << endl;
        int f = u.se - d;
        // cout << max(1, u.fi - d) << " " << min(r, u.fi + d) << endl;
        for(int i = max(1, u.fi - d); i <= min(r, u.fi + d); i++)
        {
            a[i][max(1, u.se - d)]++;
            a[i][min(c + 1, u.se + d + 1)]--;
        }
    }

    for(int i = 1; i <= r; i++)
        for(int j = 1; j <= c; j++)
            a[i][j] += a[i][j - 1];

    // for(int i = 1; i <= r + 1; i++) { for(int j = 1; j <= c + 1; j++) cout << a[i][j] << " "; cout << endl; }


    int ans = 0;
    for(auto u : v) if(a[u.fi][u.se] >= k) ans++;
    cout << ans << endl;
}

Compilation message

mushrooms.cpp: In function 'int main()':
mushrooms.cpp:31:13: warning: unused variable 'f' [-Wunused-variable]
         int f = u.se - d;
             ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 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 256 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 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 256 KB Output is correct
7 Correct 2 ms 356 KB Output is correct
8 Correct 4 ms 504 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 380 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 3 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 504 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 1400 KB Output is correct
2 Correct 23 ms 1272 KB Output is correct
3 Correct 28 ms 1532 KB Output is correct
4 Correct 24 ms 1372 KB Output is correct
5 Correct 24 ms 1400 KB Output is correct

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 9688 KB Output is correct
2 Correct 67 ms 10516 KB Output is correct
3 Correct 69 ms 9960 KB Output is correct
4 Correct 71 ms 10336 KB Output is correct
5 Correct 69 ms 11660 KB Output is correct

Subtask #6
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 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 256 KB Output is correct
7 Correct 2 ms 356 KB Output is correct
8 Correct 4 ms 504 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 22 ms 1400 KB Output is correct
17 Correct 23 ms 1272 KB Output is correct
18 Correct 28 ms 1532 KB Output is correct
19 Correct 24 ms 1372 KB Output is correct
20 Correct 24 ms 1400 KB Output is correct
21 Correct 64 ms 9688 KB Output is correct
22 Correct 67 ms 10516 KB Output is correct
23 Correct 69 ms 9960 KB Output is correct
24 Correct 71 ms 10336 KB Output is correct
25 Correct 69 ms 11660 KB Output is correct
26 Execution timed out 2025 ms 5200 KB Time limit exceeded
27 Halted 0 ms 0 KB -