Submission #560120

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
560120	2022-05-11T05:17:41 Z	karrigan	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	334 ms	107548 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	1 ms	340 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	1 ms	1620 KB	Output is correct
6	Correct	1 ms	1608 KB	Output is correct
7	Correct	1 ms	1492 KB	Output is correct
8	Correct	1 ms	1620 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	1620 KB	Output is correct
13	Correct	1 ms	1492 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	1 ms	340 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	1 ms	1620 KB	Output is correct
6	Correct	1 ms	1608 KB	Output is correct
7	Correct	1 ms	1492 KB	Output is correct
8	Correct	1 ms	1620 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	1620 KB	Output is correct
13	Correct	1 ms	1492 KB	Output is correct
14	Correct	9 ms	8788 KB	Output is correct
15	Correct	3 ms	5448 KB	Output is correct
16	Correct	4 ms	5076 KB	Output is correct
17	Correct	1 ms	468 KB	Output is correct
18	Correct	12 ms	9584 KB	Output is correct
19	Correct	8 ms	9368 KB	Output is correct
20	Correct	7 ms	9320 KB	Output is correct
21	Correct	12 ms	9504 KB	Output is correct
22	Correct	7 ms	9368 KB	Output is correct
23	Correct	7 ms	9300 KB	Output is correct
24	Correct	10 ms	9556 KB	Output is correct
25	Correct	7 ms	9428 KB	Output is correct
26	Correct	7 ms	9240 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	1 ms	340 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	1 ms	1620 KB	Output is correct
6	Correct	1 ms	1608 KB	Output is correct
7	Correct	1 ms	1492 KB	Output is correct
8	Correct	1 ms	1620 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	1620 KB	Output is correct
13	Correct	1 ms	1492 KB	Output is correct
14	Correct	9 ms	8788 KB	Output is correct
15	Correct	3 ms	5448 KB	Output is correct
16	Correct	4 ms	5076 KB	Output is correct
17	Correct	1 ms	468 KB	Output is correct
18	Correct	12 ms	9584 KB	Output is correct
19	Correct	8 ms	9368 KB	Output is correct
20	Correct	7 ms	9320 KB	Output is correct
21	Correct	12 ms	9504 KB	Output is correct
22	Correct	7 ms	9368 KB	Output is correct
23	Correct	7 ms	9300 KB	Output is correct
24	Correct	10 ms	9556 KB	Output is correct
25	Correct	7 ms	9428 KB	Output is correct
26	Correct	7 ms	9240 KB	Output is correct
27	Correct	314 ms	107460 KB	Output is correct
28	Correct	13 ms	28628 KB	Output is correct
29	Correct	10 ms	10088 KB	Output is correct
30	Correct	1 ms	596 KB	Output is correct
31	Correct	259 ms	89780 KB	Output is correct
32	Correct	256 ms	107548 KB	Output is correct
33	Correct	231 ms	107096 KB	Output is correct
34	Correct	271 ms	103884 KB	Output is correct
35	Correct	244 ms	107336 KB	Output is correct
36	Correct	230 ms	106988 KB	Output is correct
37	Correct	334 ms	107456 KB	Output is correct
38	Correct	181 ms	89712 KB	Output is correct
39	Correct	173 ms	89508 KB	Output is correct