Submission #261367

# Submission time Handle Problem Language Result Execution time Memory
261367 2020-08-11T16:43:11 Z SpeedOfMagic Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
586 ms 161840 KB
#include "bits/stdc++.h"

using namespace std;

#define int long long

signed main() {
	int h, w;
	cin >> h >> w;
	vector<string> s(h);
	for (int i = 0; i < h; ++i)
		cin >> s[i];
	vector<vector<int>> cnt_o(h, vector<int>(w, 0));
	vector<vector<int>> cnt_i(h, vector<int>(w, 0));

	for (int i = h - 1; i >= 0; --i) {
		for (int j = 0; j < w; ++j) {
			cnt_i[i][j] = ((i + 1 < h) ? cnt_i[i + 1][j] : 0) + (s[i][j] == 'I');
		}
	}

	for (int i = 0; i < h; ++i) {
		for (int j = w - 1; j >= 0; --j) {
			cnt_o[i][j] = ((j + 1 < w) ? cnt_o[i][j + 1] : 0) + (s[i][j] == 'O');
		}
	}
	int ans = 0;
	for (int i = 0; i < h; ++i) {
		for (int j = 0; j < w; ++j) {
			ans += (s[i][j] == 'J') * cnt_i[i][j] * cnt_o[i][j];
		}
	}
	cout << ans;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 544 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 544 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 512 KB Output is correct
14 Correct 14 ms 3840 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 9 ms 2688 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 17 ms 4992 KB Output is correct
19 Correct 16 ms 4736 KB Output is correct
20 Correct 16 ms 4864 KB Output is correct
21 Correct 17 ms 4992 KB Output is correct
22 Correct 18 ms 4608 KB Output is correct
23 Correct 16 ms 4864 KB Output is correct
24 Correct 17 ms 4992 KB Output is correct
25 Correct 16 ms 4640 KB Output is correct
26 Correct 17 ms 4864 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 544 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 512 KB Output is correct
14 Correct 14 ms 3840 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 9 ms 2688 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 17 ms 4992 KB Output is correct
19 Correct 16 ms 4736 KB Output is correct
20 Correct 16 ms 4864 KB Output is correct
21 Correct 17 ms 4992 KB Output is correct
22 Correct 18 ms 4608 KB Output is correct
23 Correct 16 ms 4864 KB Output is correct
24 Correct 17 ms 4992 KB Output is correct
25 Correct 16 ms 4640 KB Output is correct
26 Correct 17 ms 4864 KB Output is correct
27 Correct 555 ms 153332 KB Output is correct
28 Correct 3 ms 896 KB Output is correct
29 Correct 43 ms 12160 KB Output is correct
30 Correct 2 ms 768 KB Output is correct
31 Correct 406 ms 114040 KB Output is correct
32 Correct 581 ms 160760 KB Output is correct
33 Correct 586 ms 161140 KB Output is correct
34 Correct 459 ms 132144 KB Output is correct
35 Correct 576 ms 160888 KB Output is correct
36 Correct 580 ms 161212 KB Output is correct
37 Correct 583 ms 161840 KB Output is correct
38 Correct 419 ms 113272 KB Output is correct
39 Correct 484 ms 113528 KB Output is correct