Submission #704039

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
704039	2023-03-01T12:48:53 Z	1075508020060209tc	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	273 ms	159440 KB

joi2019_ho_t1

//#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define X first
#define Y second
int n;int m;
string gr[5010];
int pso[3010][3010];
int psi[3010][3010];

signed main(){
cin.tie(0);
ios_base::sync_with_stdio(0);

cin>>n>>m;
for(int i=1;i<=n;i++){
    cin>>gr[i];
    gr[i]="*"+gr[i];
}

for(int j=1;j<=m;j++){
    for(int i=1;i<=n;i++){
        psi[i][j]=psi[i-1][j];
        if(gr[i][j]=='I'){
            psi[i][j]++;
        }
    }
}
for(int i=1;i<=n;i++){
    for(int j=1;j<=m;j++){
        pso[i][j]=pso[i][j-1];
        if(gr[i][j]=='O'){
            pso[i][j]++;
        }
    }
}
int ans=0;
for(int i=1;i<=n;i++){
    for(int j=1;j<=m;j++){
        if(gr[i][j]!='J'){continue;}
        ans+=(pso[i][m]-pso[i][j])*(psi[n][j]-psi[i][j]);
    }
}
cout<<ans<<endl;

}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	484 KB	Output is correct
2	Correct	0 ms	468 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	1 ms	480 KB	Output is correct
5	Correct	1 ms	1392 KB	Output is correct
6	Correct	1 ms	1384 KB	Output is correct
7	Correct	1 ms	1364 KB	Output is correct
8	Correct	1 ms	1364 KB	Output is correct
9	Correct	1 ms	1492 KB	Output is correct
10	Correct	1 ms	1364 KB	Output is correct
11	Correct	1 ms	1364 KB	Output is correct
12	Correct	1 ms	1364 KB	Output is correct
13	Correct	1 ms	1364 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	484 KB	Output is correct
2	Correct	0 ms	468 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	1 ms	480 KB	Output is correct
5	Correct	1 ms	1392 KB	Output is correct
6	Correct	1 ms	1384 KB	Output is correct
7	Correct	1 ms	1364 KB	Output is correct
8	Correct	1 ms	1364 KB	Output is correct
9	Correct	1 ms	1492 KB	Output is correct
10	Correct	1 ms	1364 KB	Output is correct
11	Correct	1 ms	1364 KB	Output is correct
12	Correct	1 ms	1364 KB	Output is correct
13	Correct	1 ms	1364 KB	Output is correct
14	Correct	6 ms	7892 KB	Output is correct
15	Correct	2 ms	3924 KB	Output is correct
16	Correct	3 ms	4820 KB	Output is correct
17	Correct	1 ms	612 KB	Output is correct
18	Correct	7 ms	8916 KB	Output is correct
19	Correct	6 ms	8668 KB	Output is correct
20	Correct	6 ms	8680 KB	Output is correct
21	Correct	9 ms	8944 KB	Output is correct
22	Correct	7 ms	8660 KB	Output is correct
23	Correct	6 ms	8664 KB	Output is correct
24	Correct	7 ms	8916 KB	Output is correct
25	Correct	6 ms	8668 KB	Output is correct
26	Correct	6 ms	8660 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	484 KB	Output is correct
2	Correct	0 ms	468 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	1 ms	480 KB	Output is correct
5	Correct	1 ms	1392 KB	Output is correct
6	Correct	1 ms	1384 KB	Output is correct
7	Correct	1 ms	1364 KB	Output is correct
8	Correct	1 ms	1364 KB	Output is correct
9	Correct	1 ms	1492 KB	Output is correct
10	Correct	1 ms	1364 KB	Output is correct
11	Correct	1 ms	1364 KB	Output is correct
12	Correct	1 ms	1364 KB	Output is correct
13	Correct	1 ms	1364 KB	Output is correct
14	Correct	6 ms	7892 KB	Output is correct
15	Correct	2 ms	3924 KB	Output is correct
16	Correct	3 ms	4820 KB	Output is correct
17	Correct	1 ms	612 KB	Output is correct
18	Correct	7 ms	8916 KB	Output is correct
19	Correct	6 ms	8668 KB	Output is correct
20	Correct	6 ms	8680 KB	Output is correct
21	Correct	9 ms	8944 KB	Output is correct
22	Correct	7 ms	8660 KB	Output is correct
23	Correct	6 ms	8664 KB	Output is correct
24	Correct	7 ms	8916 KB	Output is correct
25	Correct	6 ms	8668 KB	Output is correct
26	Correct	6 ms	8660 KB	Output is correct
27	Correct	242 ms	158548 KB	Output is correct
28	Correct	10 ms	19668 KB	Output is correct
29	Correct	11 ms	13932 KB	Output is correct
30	Correct	1 ms	852 KB	Output is correct
31	Correct	190 ms	130660 KB	Output is correct
32	Correct	230 ms	159436 KB	Output is correct
33	Correct	213 ms	158900 KB	Output is correct
34	Correct	212 ms	151384 KB	Output is correct
35	Correct	215 ms	159336 KB	Output is correct
36	Correct	228 ms	159008 KB	Output is correct
37	Correct	273 ms	159440 KB	Output is correct
38	Correct	156 ms	129756 KB	Output is correct
39	Correct	154 ms	130072 KB	Output is correct