답안 #209208

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
209208	2020-03-13T12:13:24 Z	origami100	Bitaro the Brave (JOI19_ho_t1)	C++11	100 / 100	572 ms	150396 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
	ll h, w;
	cin >> h >> w;
	vector <string> grid;
	for(ll i = 0; i < h; i++){
		string s;
		cin >> s;
		grid.push_back(s);
	}
	ll O[h][w], I[h][w];
	for(ll i = 0; i < h; i++){
		O[i][w - 1] = (grid[i][w - 1] == 'O')?1:0;
	}
	for(ll i = 0; i < w; i++){
		I[h - 1][i] = (grid[h - 1][i] == 'I')?1:0;
	}
	ll cnt = 0;
	for(ll i = h - 2; i >= 0; i--){
		for(ll j = w - 2; j >= 0; j--){
			switch(grid[i][j]){
				case 'J':
					I[i][j] = I[i + 1][j];
					O[i][j] = O[i][j + 1];
					cnt += I[i][j] * O[i][j];
					break;
				case 'O':
					I[i][j] = I[i + 1][j];
					O[i][j] = O[i][j + 1] + 1;
					break;
				case 'I':
					I[i][j] = I[i + 1][j] + 1;
					O[i][j] = O[i][j + 1];
					break;
			}
		}
	}
	cout << cnt;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	6 ms	504 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	504 KB	Output is correct
8	Correct	5 ms	504 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	504 KB	Output is correct
11	Correct	5 ms	504 KB	Output is correct
12	Correct	6 ms	376 KB	Output is correct
13	Correct	5 ms	504 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	6 ms	504 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	504 KB	Output is correct
8	Correct	5 ms	504 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	504 KB	Output is correct
11	Correct	5 ms	504 KB	Output is correct
12	Correct	6 ms	376 KB	Output is correct
13	Correct	5 ms	504 KB	Output is correct
14	Correct	17 ms	3576 KB	Output is correct
15	Correct	6 ms	376 KB	Output is correct
16	Correct	12 ms	2424 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	21 ms	4472 KB	Output is correct
19	Correct	19 ms	4344 KB	Output is correct
20	Correct	20 ms	4344 KB	Output is correct
21	Correct	21 ms	4600 KB	Output is correct
22	Correct	20 ms	4472 KB	Output is correct
23	Correct	20 ms	4472 KB	Output is correct
24	Correct	22 ms	4600 KB	Output is correct
25	Correct	19 ms	4472 KB	Output is correct
26	Correct	19 ms	4600 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	5 ms	256 KB	Output is correct
5	Correct	6 ms	504 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	504 KB	Output is correct
8	Correct	5 ms	504 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	504 KB	Output is correct
11	Correct	5 ms	504 KB	Output is correct
12	Correct	6 ms	376 KB	Output is correct
13	Correct	5 ms	504 KB	Output is correct
14	Correct	17 ms	3576 KB	Output is correct
15	Correct	6 ms	376 KB	Output is correct
16	Correct	12 ms	2424 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	21 ms	4472 KB	Output is correct
19	Correct	19 ms	4344 KB	Output is correct
20	Correct	20 ms	4344 KB	Output is correct
21	Correct	21 ms	4600 KB	Output is correct
22	Correct	20 ms	4472 KB	Output is correct
23	Correct	20 ms	4472 KB	Output is correct
24	Correct	22 ms	4600 KB	Output is correct
25	Correct	19 ms	4472 KB	Output is correct
26	Correct	19 ms	4600 KB	Output is correct
27	Correct	544 ms	142072 KB	Output is correct
28	Correct	7 ms	1016 KB	Output is correct
29	Correct	42 ms	11256 KB	Output is correct
30	Correct	7 ms	632 KB	Output is correct
31	Correct	398 ms	104568 KB	Output is correct
32	Correct	524 ms	149368 KB	Output is correct
33	Correct	526 ms	150008 KB	Output is correct
34	Correct	487 ms	121368 KB	Output is correct
35	Correct	524 ms	149368 KB	Output is correct
36	Correct	529 ms	150136 KB	Output is correct
37	Correct	572 ms	150396 KB	Output is correct
38	Correct	367 ms	103800 KB	Output is correct
39	Correct	371 ms	104184 KB	Output is correct