Submission #945332

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
945332	2024-03-13T16:08:41 Z	vako_p	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	263 ms	159184 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long

const int mxN = 3e3 + 5;
ll n,cntl[mxN][mxN],cntk[mxN][mxN],m,ans;
char ch[mxN][mxN];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);   
	cin >> n >> m;
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			cin >> ch[i][j];
		}
	}
	for(int i = 0; i < n; i++){
		for(int j = m - 1; j >= 0; j--){
			cntl[i][j] = cntl[i][j + 1] + (ch[i][j] == 'O');		
		}
	}
	for(int j = 0; j < m; j++){
		for(int i = n - 1; i >= 0; i--){
			cntk[i][j] = cntk[i + 1][j] + (ch[i][j] == 'I');
		}
	}
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			if(ch[i][j] == 'J') ans += cntl[i][j] * cntk[i][j];
		}
	}
	cout << ans;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	5328 KB	Output is correct
6	Correct	1 ms	5212 KB	Output is correct
7	Correct	1 ms	5212 KB	Output is correct
8	Correct	1 ms	5212 KB	Output is correct
9	Correct	1 ms	5208 KB	Output is correct
10	Correct	1 ms	5212 KB	Output is correct
11	Correct	1 ms	5212 KB	Output is correct
12	Correct	1 ms	5212 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	5328 KB	Output is correct
6	Correct	1 ms	5212 KB	Output is correct
7	Correct	1 ms	5212 KB	Output is correct
8	Correct	1 ms	5212 KB	Output is correct
9	Correct	1 ms	5208 KB	Output is correct
10	Correct	1 ms	5212 KB	Output is correct
11	Correct	1 ms	5212 KB	Output is correct
12	Correct	1 ms	5212 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	8 ms	16988 KB	Output is correct
15	Correct	3 ms	14684 KB	Output is correct
16	Correct	4 ms	11100 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	9 ms	17752 KB	Output is correct
19	Correct	7 ms	17500 KB	Output is correct
20	Correct	8 ms	17512 KB	Output is correct
21	Correct	9 ms	17756 KB	Output is correct
22	Correct	7 ms	17500 KB	Output is correct
23	Correct	8 ms	17500 KB	Output is correct
24	Correct	10 ms	18044 KB	Output is correct
25	Correct	8 ms	17500 KB	Output is correct
26	Correct	9 ms	17448 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	5328 KB	Output is correct
6	Correct	1 ms	5212 KB	Output is correct
7	Correct	1 ms	5212 KB	Output is correct
8	Correct	1 ms	5212 KB	Output is correct
9	Correct	1 ms	5208 KB	Output is correct
10	Correct	1 ms	5212 KB	Output is correct
11	Correct	1 ms	5212 KB	Output is correct
12	Correct	1 ms	5212 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	8 ms	16988 KB	Output is correct
15	Correct	3 ms	14684 KB	Output is correct
16	Correct	4 ms	11100 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	9 ms	17752 KB	Output is correct
19	Correct	7 ms	17500 KB	Output is correct
20	Correct	8 ms	17512 KB	Output is correct
21	Correct	9 ms	17756 KB	Output is correct
22	Correct	7 ms	17500 KB	Output is correct
23	Correct	8 ms	17500 KB	Output is correct
24	Correct	10 ms	18044 KB	Output is correct
25	Correct	8 ms	17500 KB	Output is correct
26	Correct	9 ms	17448 KB	Output is correct
27	Correct	263 ms	158716 KB	Output is correct
28	Correct	12 ms	72024 KB	Output is correct
29	Correct	13 ms	15964 KB	Output is correct
30	Correct	1 ms	2652 KB	Output is correct
31	Correct	159 ms	132984 KB	Output is correct
32	Correct	216 ms	159044 KB	Output is correct
33	Correct	206 ms	158568 KB	Output is correct
34	Correct	194 ms	152552 KB	Output is correct
35	Correct	207 ms	159184 KB	Output is correct
36	Correct	212 ms	158708 KB	Output is correct
37	Correct	237 ms	159100 KB	Output is correct
38	Correct	154 ms	132616 KB	Output is correct
39	Correct	159 ms	132328 KB	Output is correct