oj.uz

Submission #101734

# Submission time Handle Problem Language Result Execution time Memory
101734 2019-03-19T16:40:55 Z DystoriaX Collecting Mushrooms (NOI18_collectmushrooms) C++14
100 / 100
 58 ms 8316 KB 
#include <bits/stdc++.h>

using namespace std;

int r, c, d, k;
vector<vector<int> > pref;
vector<vector<char> > mp;

int main(){
	scanf("%d%d%d%d", &r, &c, &d, &k);

	pref.resize(r + 2);
	mp.resize(r + 2);
	for(int i = 0; i <= r + 1; i++) pref[i].assign(c + 2, 0), mp[i].resize(c + 2);

	for(int i = 1; i <= r; i++){
		for(int j = 1; j <= c; j++){
			scanf(" %c", &mp[i][j]);

			if(mp[i][j] == 'S'){
				int i1, i2, j1, j2;
				i1 = max(1, i - d); j1 = max(1, j - d);
				i2 = min(r + 1, i + d + 1); j2 = min(c + 1, j + d + 1);

				pref[i1][j1]++;
				pref[i1][j2]--;
				pref[i2][j1]--;
				pref[i2][j2]++;
			}
		}
	}

	int ans = 0;
	for(int i = 1; i <= r; i++){
		for(int j = 1; j <= c; j++){
			pref[i][j] += pref[i - 1][j] + pref[i][j - 1] - pref[i - 1][j - 1];
			if(mp[i][j] == 'M') if(pref[i][j] >= k) ans++;
		}
	}

	printf("%d\n", ans);

	return 0;
}

Compilation message

mushrooms.cpp: In function 'int main()':
mushrooms.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d%d", &r, &c, &d, &k);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
mushrooms.cpp:18:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf(" %c", &mp[i][j]);
    ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 1536 KB Output is correct
2 Correct 15 ms 1536 KB Output is correct
3 Correct 17 ms 1792 KB Output is correct
4 Correct 16 ms 1584 KB Output is correct
5 Correct 21 ms 1656 KB Output is correct

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 8284 KB Output is correct
2 Correct 36 ms 8228 KB Output is correct
3 Correct 51 ms 8184 KB Output is correct
4 Correct 40 ms 8316 KB Output is correct
5 Correct 43 ms 8292 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 14 ms 1536 KB Output is correct
17 Correct 15 ms 1536 KB Output is correct
18 Correct 17 ms 1792 KB Output is correct
19 Correct 16 ms 1584 KB Output is correct
20 Correct 21 ms 1656 KB Output is correct
21 Correct 58 ms 8284 KB Output is correct
22 Correct 36 ms 8228 KB Output is correct
23 Correct 51 ms 8184 KB Output is correct
24 Correct 40 ms 8316 KB Output is correct
25 Correct 43 ms 8292 KB Output is correct
26 Correct 38 ms 4980 KB Output is correct
27 Correct 35 ms 3328 KB Output is correct
28 Correct 55 ms 3320 KB Output is correct
29 Correct 37 ms 3320 KB Output is correct
30 Correct 46 ms 4472 KB Output is correct