Submission #220392

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
220392	2020-04-07T19:48:56 Z	hanagasumi	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	190 ms	17916 KB

joi2019_ho_t1

#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <deque>
#include <map>
#include <set>
#include <complex>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <random>

#define ft first
#define sc second
#define pb push_back
#define len(v) (int)v.size()
#define int ll

using namespace std;
typedef long long ll;

signed main() {
	 #ifdef PC 
		freopen("in.txt", "r", stdin);
		freopen("out.txt", "w", stdout);
	#endif
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	int h, w;
	cin >> h >> w;
	vector<vector<char>> mat(h, vector<char>(w));
	for (int i = 0; i < h; i++) {
		for (int j = 0; j < w; j++) {
			cin >> mat[i][j];
		}
	}

	int ans = 0;
	vector<int> have(w, 0);
	for (int i = h - 1; i >= 0; i--) {
		int now = 0;
		for (int j = w - 1; j >= 0; j--) {
			if(mat[i][j] == 'I') 
				have[j]++;
			if(mat[i][j] == 'O')
				now++;
			if(mat[i][j] == 'J') {
				ans += have[j] * now;
			}
		}
	}
	cout << ans << '\n';
	return 0;
}

Subtask #1

20.0 / 20.0

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

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	9 ms	768 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	7 ms	640 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	10 ms	768 KB	Output is correct
19	Correct	8 ms	896 KB	Output is correct
20	Correct	8 ms	768 KB	Output is correct
21	Correct	10 ms	896 KB	Output is correct
22	Correct	8 ms	768 KB	Output is correct
23	Correct	8 ms	768 KB	Output is correct
24	Correct	10 ms	896 KB	Output is correct
25	Correct	8 ms	768 KB	Output is correct
26	Correct	8 ms	896 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	9 ms	768 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	7 ms	640 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	10 ms	768 KB	Output is correct
19	Correct	8 ms	896 KB	Output is correct
20	Correct	8 ms	768 KB	Output is correct
21	Correct	10 ms	896 KB	Output is correct
22	Correct	8 ms	768 KB	Output is correct
23	Correct	8 ms	768 KB	Output is correct
24	Correct	10 ms	896 KB	Output is correct
25	Correct	8 ms	768 KB	Output is correct
26	Correct	8 ms	896 KB	Output is correct
27	Correct	187 ms	17144 KB	Output is correct
28	Correct	5 ms	512 KB	Output is correct
29	Correct	16 ms	1664 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	143 ms	12664 KB	Output is correct
32	Correct	150 ms	17916 KB	Output is correct
33	Correct	140 ms	17912 KB	Output is correct
34	Correct	162 ms	14584 KB	Output is correct
35	Correct	146 ms	17784 KB	Output is correct
36	Correct	145 ms	17912 KB	Output is correct
37	Correct	190 ms	17912 KB	Output is correct
38	Correct	103 ms	12536 KB	Output is correct
39	Correct	101 ms	12664 KB	Output is correct