Submission #1003044

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1003044	2024-06-20T03:50:56 Z	tamir1	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	340 ms	88572 KB

joi2019_ho_t1

#include<bits/stdc++.h>
#define ll long long
using namespace std;
int x,y,n,m,i,j,dp1[3005][3005],dp2[3005][3005];
ll ans;
char s[3005][3005];
int main(){
	cin >> n >> m;
	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			cin >> s[i][j];
		}
	}
	for(i=n;i>0;i--){
		for(j=m;j>0;j--){
			dp1[i][j]=dp1[i][j+1];
			dp2[i][j]=dp2[i+1][j];
			if(s[i][j]=='J') ans+=dp1[i][j]*dp2[i][j];
			if(s[i][j]=='O') dp1[i][j]++;
			if(s[i][j]=='I') dp2[i][j]++;
		}
	}
	cout << ans;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	1628 KB	Output is correct
6	Correct	1 ms	1628 KB	Output is correct
7	Correct	1 ms	1372 KB	Output is correct
8	Correct	1 ms	1628 KB	Output is correct
9	Correct	1 ms	1628 KB	Output is correct
10	Correct	1 ms	1432 KB	Output is correct
11	Correct	1 ms	1480 KB	Output is correct
12	Correct	1 ms	1624 KB	Output is correct
13	Correct	1 ms	1480 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	1628 KB	Output is correct
6	Correct	1 ms	1628 KB	Output is correct
7	Correct	1 ms	1372 KB	Output is correct
8	Correct	1 ms	1628 KB	Output is correct
9	Correct	1 ms	1628 KB	Output is correct
10	Correct	1 ms	1432 KB	Output is correct
11	Correct	1 ms	1480 KB	Output is correct
12	Correct	1 ms	1624 KB	Output is correct
13	Correct	1 ms	1480 KB	Output is correct
14	Correct	9 ms	7516 KB	Output is correct
15	Correct	2 ms	4956 KB	Output is correct
16	Correct	5 ms	4444 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	12 ms	8028 KB	Output is correct
19	Correct	9 ms	8024 KB	Output is correct
20	Correct	9 ms	7772 KB	Output is correct
21	Correct	12 ms	8024 KB	Output is correct
22	Correct	9 ms	8028 KB	Output is correct
23	Correct	10 ms	7772 KB	Output is correct
24	Correct	10 ms	8028 KB	Output is correct
25	Correct	10 ms	8024 KB	Output is correct
26	Correct	9 ms	7956 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	1628 KB	Output is correct
6	Correct	1 ms	1628 KB	Output is correct
7	Correct	1 ms	1372 KB	Output is correct
8	Correct	1 ms	1628 KB	Output is correct
9	Correct	1 ms	1628 KB	Output is correct
10	Correct	1 ms	1432 KB	Output is correct
11	Correct	1 ms	1480 KB	Output is correct
12	Correct	1 ms	1624 KB	Output is correct
13	Correct	1 ms	1480 KB	Output is correct
14	Correct	9 ms	7516 KB	Output is correct
15	Correct	2 ms	4956 KB	Output is correct
16	Correct	5 ms	4444 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	12 ms	8028 KB	Output is correct
19	Correct	9 ms	8024 KB	Output is correct
20	Correct	9 ms	7772 KB	Output is correct
21	Correct	12 ms	8024 KB	Output is correct
22	Correct	9 ms	8028 KB	Output is correct
23	Correct	10 ms	7772 KB	Output is correct
24	Correct	10 ms	8028 KB	Output is correct
25	Correct	10 ms	8024 KB	Output is correct
26	Correct	9 ms	7956 KB	Output is correct
27	Correct	289 ms	88112 KB	Output is correct
28	Correct	9 ms	25948 KB	Output is correct
29	Correct	21 ms	7780 KB	Output is correct
30	Correct	1 ms	604 KB	Output is correct
31	Correct	220 ms	72556 KB	Output is correct
32	Correct	306 ms	88540 KB	Output is correct
33	Correct	278 ms	88252 KB	Output is correct
34	Correct	261 ms	84212 KB	Output is correct
35	Correct	280 ms	88400 KB	Output is correct
36	Correct	269 ms	88152 KB	Output is correct
37	Correct	340 ms	88572 KB	Output is correct
38	Correct	200 ms	72516 KB	Output is correct
39	Correct	189 ms	72272 KB	Output is correct