Submission #210027

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
210027	2020-03-16T11:27:35 Z	ld_minh4354	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	408 ms	160284 KB

joi2019_ho_t1

#include<bits/stdc++.h>
using namespace std;

long long int m,n,i,j,dp1[3010][3010],dp2[3010][3010],ans;
string s[3010];

signed main()
{
    ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	cin>>m>>n;
	for (i=1;i<m+1;i++) cin>>s[i-1];
	for (i=1;i<m+1;i++)
	{
		dp1[i][n]=0;
		for (j=n-1;j>0;j--)
		if (s[i-1][j]=='O') dp1[i][j]=dp1[i][j+1]+1;
		else dp1[i][j]=dp1[i][j+1];
	}
	for (i=1;i<n+1;i++)
	{
		dp2[m][i]=0;
		for (j=m-1;j>0;j--)
		if (s[j][i-1]=='I') dp2[j][i]=dp2[j+1][i]+1;
		else dp2[j][i]=dp2[j+1][i];
	}
	ans=0;
	for (i=1;i<m+1;i++) for (j=1;j<n+1;j++) if (s[i-1][j-1]=='J')
	ans=ans+dp1[i][j]*dp2[i][j];
	cout<<ans;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	516 KB	Output is correct
2	Correct	5 ms	424 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	504 KB	Output is correct
5	Correct	6 ms	1400 KB	Output is correct
6	Correct	5 ms	1404 KB	Output is correct
7	Correct	5 ms	1272 KB	Output is correct
8	Correct	6 ms	1400 KB	Output is correct
9	Correct	5 ms	1400 KB	Output is correct
10	Correct	5 ms	1272 KB	Output is correct
11	Correct	5 ms	1400 KB	Output is correct
12	Correct	5 ms	1400 KB	Output is correct
13	Correct	5 ms	1400 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	516 KB	Output is correct
2	Correct	5 ms	424 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	504 KB	Output is correct
5	Correct	6 ms	1400 KB	Output is correct
6	Correct	5 ms	1404 KB	Output is correct
7	Correct	5 ms	1272 KB	Output is correct
8	Correct	6 ms	1400 KB	Output is correct
9	Correct	5 ms	1400 KB	Output is correct
10	Correct	5 ms	1272 KB	Output is correct
11	Correct	5 ms	1400 KB	Output is correct
12	Correct	5 ms	1400 KB	Output is correct
13	Correct	5 ms	1400 KB	Output is correct
14	Correct	12 ms	7804 KB	Output is correct
15	Correct	6 ms	3960 KB	Output is correct
16	Correct	8 ms	4856 KB	Output is correct
17	Correct	5 ms	508 KB	Output is correct
18	Correct	13 ms	8824 KB	Output is correct
19	Correct	11 ms	8696 KB	Output is correct
20	Correct	11 ms	8696 KB	Output is correct
21	Correct	13 ms	8952 KB	Output is correct
22	Correct	11 ms	8696 KB	Output is correct
23	Correct	11 ms	8696 KB	Output is correct
24	Correct	13 ms	8824 KB	Output is correct
25	Correct	11 ms	8696 KB	Output is correct
26	Correct	11 ms	8696 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	516 KB	Output is correct
2	Correct	5 ms	424 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	504 KB	Output is correct
5	Correct	6 ms	1400 KB	Output is correct
6	Correct	5 ms	1404 KB	Output is correct
7	Correct	5 ms	1272 KB	Output is correct
8	Correct	6 ms	1400 KB	Output is correct
9	Correct	5 ms	1400 KB	Output is correct
10	Correct	5 ms	1272 KB	Output is correct
11	Correct	5 ms	1400 KB	Output is correct
12	Correct	5 ms	1400 KB	Output is correct
13	Correct	5 ms	1400 KB	Output is correct
14	Correct	12 ms	7804 KB	Output is correct
15	Correct	6 ms	3960 KB	Output is correct
16	Correct	8 ms	4856 KB	Output is correct
17	Correct	5 ms	508 KB	Output is correct
18	Correct	13 ms	8824 KB	Output is correct
19	Correct	11 ms	8696 KB	Output is correct
20	Correct	11 ms	8696 KB	Output is correct
21	Correct	13 ms	8952 KB	Output is correct
22	Correct	11 ms	8696 KB	Output is correct
23	Correct	11 ms	8696 KB	Output is correct
24	Correct	13 ms	8824 KB	Output is correct
25	Correct	11 ms	8696 KB	Output is correct
26	Correct	11 ms	8696 KB	Output is correct
27	Correct	372 ms	159224 KB	Output is correct
28	Correct	15 ms	19580 KB	Output is correct
29	Correct	17 ms	13944 KB	Output is correct
30	Correct	5 ms	904 KB	Output is correct
31	Correct	288 ms	130936 KB	Output is correct
32	Correct	349 ms	160248 KB	Output is correct
33	Correct	340 ms	159740 KB	Output is correct
34	Correct	316 ms	151800 KB	Output is correct
35	Correct	345 ms	160120 KB	Output is correct
36	Correct	339 ms	159740 KB	Output is correct
37	Correct	408 ms	160284 KB	Output is correct
38	Correct	240 ms	130168 KB	Output is correct
39	Correct	238 ms	130424 KB	Output is correct