Submission #786769

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
786769	2023-07-18T12:41:38 Z	winter0101	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	302 ms	115116 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
int a[3009][3009];
int b[3009][3009];
int c[3009][3009];
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    //freopen(".INP","r",stdin);
   // freopen(".OUT","w",stdout);
	int n,m;
	cin>>n>>m;
	for (int i=1;i<=n;i++){
		string s;
		cin>>s;
		for (int j=1;j<=m;j++){
			if (s[j-1]=='J')a[i][j]=1;
			else if (s[j-1]=='O')a[i][j]=2;
			else a[i][j]=3;
		}
	}
	for (int i=1;i<=n;i++){
		for (int j=1;j<=m;j++){
			b[i][j]=b[i][j-1];
			if (a[i][j]==2)b[i][j]++;
		}
	}
	for (int j=1;j<=m;j++){
		for (int i=1;i<=n;i++){
			c[i][j]=c[i-1][j];
			if (a[i][j]==3)c[i][j]++;
		}
	}
	long long ans=0;
	for (int i=1;i<=n;i++){
		for (int j=1;j<=m;j++){
			if (a[i][j]==1)ans=ans+(b[i][m]-b[i][j])*(c[n][j]-c[i][j]);
		}
	}
	cout<<ans;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	1620 KB	Output is correct
6	Correct	1 ms	1620 KB	Output is correct
7	Correct	1 ms	1484 KB	Output is correct
8	Correct	1 ms	1616 KB	Output is correct
9	Correct	1 ms	1620 KB	Output is correct
10	Correct	1 ms	1492 KB	Output is correct
11	Correct	1 ms	1620 KB	Output is correct
12	Correct	1 ms	1612 KB	Output is correct
13	Correct	1 ms	1488 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	1620 KB	Output is correct
6	Correct	1 ms	1620 KB	Output is correct
7	Correct	1 ms	1484 KB	Output is correct
8	Correct	1 ms	1616 KB	Output is correct
9	Correct	1 ms	1620 KB	Output is correct
10	Correct	1 ms	1492 KB	Output is correct
11	Correct	1 ms	1620 KB	Output is correct
12	Correct	1 ms	1612 KB	Output is correct
13	Correct	1 ms	1488 KB	Output is correct
14	Correct	7 ms	8708 KB	Output is correct
15	Correct	2 ms	5460 KB	Output is correct
16	Correct	3 ms	5096 KB	Output is correct
17	Correct	1 ms	468 KB	Output is correct
18	Correct	8 ms	9508 KB	Output is correct
19	Correct	6 ms	9428 KB	Output is correct
20	Correct	6 ms	9300 KB	Output is correct
21	Correct	11 ms	9488 KB	Output is correct
22	Correct	5 ms	9428 KB	Output is correct
23	Correct	6 ms	9300 KB	Output is correct
24	Correct	9 ms	9544 KB	Output is correct
25	Correct	6 ms	9324 KB	Output is correct
26	Correct	6 ms	9300 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	1620 KB	Output is correct
6	Correct	1 ms	1620 KB	Output is correct
7	Correct	1 ms	1484 KB	Output is correct
8	Correct	1 ms	1616 KB	Output is correct
9	Correct	1 ms	1620 KB	Output is correct
10	Correct	1 ms	1492 KB	Output is correct
11	Correct	1 ms	1620 KB	Output is correct
12	Correct	1 ms	1612 KB	Output is correct
13	Correct	1 ms	1488 KB	Output is correct
14	Correct	7 ms	8708 KB	Output is correct
15	Correct	2 ms	5460 KB	Output is correct
16	Correct	3 ms	5096 KB	Output is correct
17	Correct	1 ms	468 KB	Output is correct
18	Correct	8 ms	9508 KB	Output is correct
19	Correct	6 ms	9428 KB	Output is correct
20	Correct	6 ms	9300 KB	Output is correct
21	Correct	11 ms	9488 KB	Output is correct
22	Correct	5 ms	9428 KB	Output is correct
23	Correct	6 ms	9300 KB	Output is correct
24	Correct	9 ms	9544 KB	Output is correct
25	Correct	6 ms	9324 KB	Output is correct
26	Correct	6 ms	9300 KB	Output is correct
27	Correct	302 ms	114696 KB	Output is correct
28	Correct	12 ms	28628 KB	Output is correct
29	Correct	9 ms	10104 KB	Output is correct
30	Correct	1 ms	596 KB	Output is correct
31	Correct	222 ms	94796 KB	Output is correct
32	Correct	235 ms	115088 KB	Output is correct
33	Correct	222 ms	114744 KB	Output is correct
34	Correct	254 ms	109896 KB	Output is correct
35	Correct	227 ms	114988 KB	Output is correct
36	Correct	220 ms	114792 KB	Output is correct
37	Correct	302 ms	115116 KB	Output is correct
38	Correct	149 ms	94736 KB	Output is correct
39	Correct	152 ms	94412 KB	Output is correct