oj.uz

Submission #830384

# Submission time Handle Problem Language Result Execution time Memory
830384 2023-08-19T05:10:46 Z ajay Collecting Mushrooms (NOI18_collectmushrooms) C++14
60 / 100
 2000 ms 17736 KB 
/* Ajay Jadhav */

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <deque>
#include <vector>
#include <cstdlib>
#include <iomanip>
#include <cmath>
#include <queue>
#include <map>
#include <set>
#include <stack>
#include <ctime>
#include <string.h>
#include <climits>
#include <cstring>
using namespace std;

#define ll long long
#define pb push_back
#define pii pair<int, int>
#define vi vector<int>
#define vvi vector<vi>
#define vii vector<pii>
#define mi map<int, int>
#define mii map<pii, int>
#define all(a) (a).begin(), (a).end()
#define x first
#define y second
#define sz(x) (int)x.size()
#define hell 1000000007
#define rep(i, a, b) for (int i = a; i < b; i++)
#define endl '\n'

void solve()
{
    int r, c, d, k;
    cin >> r >> c >> d >> k;
    int dx[8] = {1, 0, -1, 0, 1, -1, 1, -1};
    int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1};
    vector<string> field(r);
    vvi mat(r, vi(c));
    vvi mushrooms, sprinkler;
    rep(i, 0, r)
    {
        cin >> field[i];
        rep(j, 0, c)
        {
            if (field[i][j] == 'M')
                mushrooms.pb({i, j});
            else if (field[i][j] == 'S')
                sprinkler.pb({i, j});
        }
    }

    int ans = 0;
    rep(i, 0, sz(mushrooms))
    {
        int cnt = 0;
        rep(j, 0, sz(sprinkler))
        {
            int dis = max(abs(mushrooms[i][0] - sprinkler[j][0]), abs(mushrooms[i][1] - sprinkler[j][1]));
            if (dis <= d)
            {
                cnt++;
            }
        }

        if (cnt >= k)
            ans++;
    }

    cout << ans << endl;
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    // cin>>t;
    while (t--)
    {
        solve();
    }
    return 0;
}

Compilation message

mushrooms.cpp: In function 'void solve()':
mushrooms.cpp:42:9: warning: unused variable 'dx' [-Wunused-variable]
   42 |     int dx[8] = {1, 0, -1, 0, 1, -1, 1, -1};
      |         ^~
mushrooms.cpp:43:9: warning: unused variable 'dy' [-Wunused-variable]
   43 |     int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1};
      |         ^~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 23 ms 724 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 23 ms 724 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 14 ms 724 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 8 ms 588 KB Output is correct
3 Correct 12 ms 980 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 596 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 2 ms 1484 KB Output is correct
3 Correct 2 ms 1828 KB Output is correct
4 Correct 2 ms 1624 KB Output is correct
5 Correct 2 ms 1620 KB Output is correct

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2049 ms 17736 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 23 ms 724 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 14 ms 724 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 8 ms 588 KB Output is correct
13 Correct 12 ms 980 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 2 ms 1484 KB Output is correct
18 Correct 2 ms 1828 KB Output is correct
19 Correct 2 ms 1624 KB Output is correct
20 Correct 2 ms 1620 KB Output is correct
21 Execution timed out 2049 ms 17736 KB Time limit exceeded
22 Halted 0 ms 0 KB -