oj.uz

Submission #162705

# Submission time Handle Problem Language Result Execution time Memory
162705 2019-11-09T12:04:17 Z NachoLibre Bitaro the Brave (JOI19_ho_t1) C++14
50 / 100
 391 ms 114516 KB 
#include <bits/stdc++.h>
using namespace std;

unsigned int n, m, d[3003][3003][3], fp;
char a;

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> m;
	for(int i = 1; i <= n; ++i) {
		for(int j = 1; j <= m; ++j) {
			cin >> a;
			if(a == 'J') d[i][j][0] = 1;
			else if(a == 'O') d[i][j][1] = 1;
			else d[i][j][2] = 1;
		}
	}
	for(int i = n; i; --i) {
		for(int j = m; j; --j) {
			d[i][j][1] += d[i][j + 1][1];
			d[i][j][2] += d[i + 1][j][2];
		}
	}
	for(int i = 1; i <= n; ++i) {
		for(int j = 1; j <= m; ++j) {
			if(d[i][j][0]) {
				fp += d[i][j][1] * d[i][j][2];
			}
		}
	}
	cout << fp << endl;
	return 0;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:11:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 1; i <= n; ++i) {
                 ~~^~~~
joi2019_ho_t1.cpp:12:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j = 1; j <= m; ++j) {
                  ~~^~~~
joi2019_ho_t1.cpp:25:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 1; i <= n; ++i) {
                 ~~^~~~
joi2019_ho_t1.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j = 1; j <= m; ++j) {
                  ~~^~~~

Subtask #1
20.0 / 20.0

# 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 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 888 KB Output is correct
6 Correct 2 ms 888 KB Output is correct
7 Correct 2 ms 888 KB Output is correct
8 Correct 3 ms 888 KB Output is correct
9 Correct 3 ms 888 KB Output is correct
10 Correct 2 ms 760 KB Output is correct
11 Correct 3 ms 888 KB Output is correct
12 Correct 2 ms 888 KB Output is correct
13 Correct 2 ms 888 KB Output is correct

Subtask #2
30.0 / 30.0

# 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 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 888 KB Output is correct
6 Correct 2 ms 888 KB Output is correct
7 Correct 2 ms 888 KB Output is correct
8 Correct 3 ms 888 KB Output is correct
9 Correct 3 ms 888 KB Output is correct
10 Correct 2 ms 760 KB Output is correct
11 Correct 3 ms 888 KB Output is correct
12 Correct 2 ms 888 KB Output is correct
13 Correct 2 ms 888 KB Output is correct
14 Correct 12 ms 4600 KB Output is correct
15 Correct 4 ms 2168 KB Output is correct
16 Correct 7 ms 2936 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 15 ms 5368 KB Output is correct
19 Correct 11 ms 5240 KB Output is correct
20 Correct 11 ms 5240 KB Output is correct
21 Correct 15 ms 5624 KB Output is correct
22 Correct 11 ms 5368 KB Output is correct
23 Correct 11 ms 5368 KB Output is correct
24 Correct 15 ms 5624 KB Output is correct
25 Correct 12 ms 5496 KB Output is correct
26 Correct 12 ms 5448 KB Output is correct

Subtask #3
0 / 50.0

# 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 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 888 KB Output is correct
6 Correct 2 ms 888 KB Output is correct
7 Correct 2 ms 888 KB Output is correct
8 Correct 3 ms 888 KB Output is correct
9 Correct 3 ms 888 KB Output is correct
10 Correct 2 ms 760 KB Output is correct
11 Correct 3 ms 888 KB Output is correct
12 Correct 2 ms 888 KB Output is correct
13 Correct 2 ms 888 KB Output is correct
14 Correct 12 ms 4600 KB Output is correct
15 Correct 4 ms 2168 KB Output is correct
16 Correct 7 ms 2936 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 15 ms 5368 KB Output is correct
19 Correct 11 ms 5240 KB Output is correct
20 Correct 11 ms 5240 KB Output is correct
21 Correct 15 ms 5624 KB Output is correct
22 Correct 11 ms 5368 KB Output is correct
23 Correct 11 ms 5368 KB Output is correct
24 Correct 15 ms 5624 KB Output is correct
25 Correct 12 ms 5496 KB Output is correct
26 Correct 12 ms 5448 KB Output is correct
27 Incorrect 391 ms 114516 KB Output isn't correct
28 Halted 0 ms 0 KB -