oj.uz

Submission #101654

# Submission time Handle Problem Language Result Execution time Memory
101654 2019-03-19T07:20:14 Z KCSC Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 473 ms 88440 KB 
#include <bits/stdc++.h>
using namespace std;

const int DIM = 3005;

char mat[DIM][DIM];
int psm1[DIM][DIM], psm2[DIM][DIM];

int main(void) {
#ifdef HOME
	freopen("brave.in", "r", stdin);
	freopen("brave.out", "w", stdout);
#endif
	int n, m; cin >> n >> m;
	for (int i = 1; i <= n; ++i) {
		cin >> (mat[i] + 1); }
	long long ans = 0;
	for (int i = n; i >= 1; --i) {
		for (int j = m; j >= 1; --j) {
			psm1[i][j] = psm1[i][j + 1] + (mat[i][j] == 'O');
			psm2[i][j] = psm2[i + 1][j] + (mat[i][j] == 'I');	
			if (mat[i][j] == 'J') {
				ans += psm1[i][j] * psm2[i][j]; } } }
	cout << ans << endl;
	return 0; }

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 356 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 1536 KB Output is correct
6 Correct 4 ms 1536 KB Output is correct
7 Correct 4 ms 1536 KB Output is correct
8 Correct 3 ms 1536 KB Output is correct
9 Correct 4 ms 1536 KB Output is correct
10 Correct 3 ms 1408 KB Output is correct
11 Correct 4 ms 1536 KB Output is correct
12 Correct 4 ms 1536 KB Output is correct
13 Correct 4 ms 1408 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 356 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 1536 KB Output is correct
6 Correct 4 ms 1536 KB Output is correct
7 Correct 4 ms 1536 KB Output is correct
8 Correct 3 ms 1536 KB Output is correct
9 Correct 4 ms 1536 KB Output is correct
10 Correct 3 ms 1408 KB Output is correct
11 Correct 4 ms 1536 KB Output is correct
12 Correct 4 ms 1536 KB Output is correct
13 Correct 4 ms 1408 KB Output is correct
14 Correct 18 ms 7352 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 12 ms 4224 KB Output is correct
17 Correct 3 ms 428 KB Output is correct
18 Correct 23 ms 7936 KB Output is correct
19 Correct 18 ms 7800 KB Output is correct
20 Correct 16 ms 7808 KB Output is correct
21 Correct 21 ms 7936 KB Output is correct
22 Correct 16 ms 7808 KB Output is correct
23 Correct 20 ms 7800 KB Output is correct
24 Correct 23 ms 7928 KB Output is correct
25 Correct 16 ms 7844 KB Output is correct
26 Correct 18 ms 7808 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 356 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 1536 KB Output is correct
6 Correct 4 ms 1536 KB Output is correct
7 Correct 4 ms 1536 KB Output is correct
8 Correct 3 ms 1536 KB Output is correct
9 Correct 4 ms 1536 KB Output is correct
10 Correct 3 ms 1408 KB Output is correct
11 Correct 4 ms 1536 KB Output is correct
12 Correct 4 ms 1536 KB Output is correct
13 Correct 4 ms 1408 KB Output is correct
14 Correct 18 ms 7352 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 12 ms 4224 KB Output is correct
17 Correct 3 ms 428 KB Output is correct
18 Correct 23 ms 7936 KB Output is correct
19 Correct 18 ms 7800 KB Output is correct
20 Correct 16 ms 7808 KB Output is correct
21 Correct 21 ms 7936 KB Output is correct
22 Correct 16 ms 7808 KB Output is correct
23 Correct 20 ms 7800 KB Output is correct
24 Correct 23 ms 7928 KB Output is correct
25 Correct 16 ms 7844 KB Output is correct
26 Correct 18 ms 7808 KB Output is correct
27 Correct 371 ms 87896 KB Output is correct
28 Correct 26 ms 25984 KB Output is correct
29 Correct 30 ms 7672 KB Output is correct
30 Correct 4 ms 640 KB Output is correct
31 Correct 344 ms 72568 KB Output is correct
32 Correct 397 ms 88440 KB Output is correct
33 Correct 373 ms 88264 KB Output is correct
34 Correct 355 ms 84088 KB Output is correct
35 Correct 379 ms 88440 KB Output is correct
36 Correct 473 ms 88312 KB Output is correct
37 Correct 415 ms 88368 KB Output is correct
38 Correct 265 ms 72388 KB Output is correct
39 Correct 267 ms 72312 KB Output is correct