Submission #480844

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
480844	2021-10-18T11:17:38 Z	ymm	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	391 ms	159296 KB

joi2019_ho_t1

///
///   breakdown breakdown
///

#include <bits/stdc++.h>
#define Loop(x,l,r) for(ll x = ll(l); x < ll(r); ++x)
#define LoopR(x,l,r) for(ll x = ll(r)-1; x >= ll(l); --x)
typedef long long ll;
using namespace std;

const int N = 3010;
char g[N][N];
ll O[N][N];
ll I[N][N];
int n, m;

int main()
{
	ios::sync_with_stdio(false); cin.tie(0);
	cin >> n >> m;
	Loop(i,0,n)
	{
		Loop(j,0,m)
		{
			cin >> g[i][j];
			if(g[i][j] == 'O') O[i][j]++;
			if(g[i][j] == 'I') I[i][j]++;
		}
	}
	Loop(i,0,n) LoopR(j,0,m-1)
		O[i][j] += O[i][j+1];
	LoopR(i,0,n-1) Loop(j,0,m)
		I[i][j] += I[i+1][j];

	ll ans = 0;
	Loop(i,0,n) Loop(j,0,m)
		if(g[i][j] == 'J')
			ans += O[i][j]*I[i][j];
	cout << ans << '\n';
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	312 KB	Output is correct
5	Correct	1 ms	1484 KB	Output is correct
6	Correct	1 ms	1484 KB	Output is correct
7	Correct	1 ms	1356 KB	Output is correct
8	Correct	1 ms	1484 KB	Output is correct
9	Correct	1 ms	1484 KB	Output is correct
10	Correct	1 ms	1356 KB	Output is correct
11	Correct	1 ms	1484 KB	Output is correct
12	Correct	2 ms	1484 KB	Output is correct
13	Correct	1 ms	1356 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	312 KB	Output is correct
5	Correct	1 ms	1484 KB	Output is correct
6	Correct	1 ms	1484 KB	Output is correct
7	Correct	1 ms	1356 KB	Output is correct
8	Correct	1 ms	1484 KB	Output is correct
9	Correct	1 ms	1484 KB	Output is correct
10	Correct	1 ms	1356 KB	Output is correct
11	Correct	1 ms	1484 KB	Output is correct
12	Correct	2 ms	1484 KB	Output is correct
13	Correct	1 ms	1356 KB	Output is correct
14	Correct	11 ms	9004 KB	Output is correct
15	Correct	3 ms	4940 KB	Output is correct
16	Correct	7 ms	5324 KB	Output is correct
17	Correct	1 ms	460 KB	Output is correct
18	Correct	14 ms	9964 KB	Output is correct
19	Correct	11 ms	9804 KB	Output is correct
20	Correct	10 ms	9676 KB	Output is correct
21	Correct	14 ms	9932 KB	Output is correct
22	Correct	13 ms	9808 KB	Output is correct
23	Correct	10 ms	9676 KB	Output is correct
24	Correct	14 ms	9932 KB	Output is correct
25	Correct	12 ms	9804 KB	Output is correct
26	Correct	9 ms	9676 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	312 KB	Output is correct
5	Correct	1 ms	1484 KB	Output is correct
6	Correct	1 ms	1484 KB	Output is correct
7	Correct	1 ms	1356 KB	Output is correct
8	Correct	1 ms	1484 KB	Output is correct
9	Correct	1 ms	1484 KB	Output is correct
10	Correct	1 ms	1356 KB	Output is correct
11	Correct	1 ms	1484 KB	Output is correct
12	Correct	2 ms	1484 KB	Output is correct
13	Correct	1 ms	1356 KB	Output is correct
14	Correct	11 ms	9004 KB	Output is correct
15	Correct	3 ms	4940 KB	Output is correct
16	Correct	7 ms	5324 KB	Output is correct
17	Correct	1 ms	460 KB	Output is correct
18	Correct	14 ms	9964 KB	Output is correct
19	Correct	11 ms	9804 KB	Output is correct
20	Correct	10 ms	9676 KB	Output is correct
21	Correct	14 ms	9932 KB	Output is correct
22	Correct	13 ms	9808 KB	Output is correct
23	Correct	10 ms	9676 KB	Output is correct
24	Correct	14 ms	9932 KB	Output is correct
25	Correct	12 ms	9804 KB	Output is correct
26	Correct	9 ms	9676 KB	Output is correct
27	Correct	382 ms	158812 KB	Output is correct
28	Correct	13 ms	26316 KB	Output is correct
29	Correct	20 ms	13908 KB	Output is correct
30	Correct	2 ms	716 KB	Output is correct
31	Correct	287 ms	131608 KB	Output is correct
32	Correct	311 ms	159136 KB	Output is correct
33	Correct	233 ms	158788 KB	Output is correct
34	Correct	325 ms	152532 KB	Output is correct
35	Correct	299 ms	159224 KB	Output is correct
36	Correct	227 ms	158684 KB	Output is correct
37	Correct	391 ms	159296 KB	Output is correct
38	Correct	208 ms	130756 KB	Output is correct
39	Correct	178 ms	130992 KB	Output is correct