답안 #1087236

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1087236	2024-09-12T10:58:06 Z	Tesla89	Bitaro the Brave (JOI19_ho_t1)	C++14	20 / 100	6 ms	6876 KB

joi2019_ho_t1

#include <bits/stdc++.h>

using namespace std;

int sufw[3001][3001],sufh[3001][3001];

int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int h,w,res=0;
    cin>>h>>w;
    string a[h];
    for(int i=0;i<h;i++)cin>>a[i];
    for(int i=0;i<w;i++){
        for(int j=h-1;j>=0;j--){
            sufh[j][i]=sufh[j+1][i]+(a[j][i]=='I');
        }
    }
    for(int i=0;i<h;i++){
        for(int j=w-1;j>=0;j--){
            sufw[i][j]=sufw[i][j+1]+(a[i][j]=='O');
        }
    }
    for(int i=0;i<h;i++){
        for(int j=0;j<w;j++){
            if(a[i][j]!='J')continue;
            res+=sufh[i][j]*sufw[i][j];
        }
    }
    cout<<res<<'\n';
    return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 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	1116 KB	Output is correct
6	Correct	1 ms	1116 KB	Output is correct
7	Correct	1 ms	1116 KB	Output is correct
8	Correct	1 ms	1116 KB	Output is correct
9	Correct	0 ms	1116 KB	Output is correct
10	Correct	1 ms	1116 KB	Output is correct
11	Correct	1 ms	1116 KB	Output is correct
12	Correct	1 ms	1116 KB	Output is correct
13	Correct	1 ms	1116 KB	Output is correct

Subtask #2

0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 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	1116 KB	Output is correct
6	Correct	1 ms	1116 KB	Output is correct
7	Correct	1 ms	1116 KB	Output is correct
8	Correct	1 ms	1116 KB	Output is correct
9	Correct	0 ms	1116 KB	Output is correct
10	Correct	1 ms	1116 KB	Output is correct
11	Correct	1 ms	1116 KB	Output is correct
12	Correct	1 ms	1116 KB	Output is correct
13	Correct	1 ms	1116 KB	Output is correct
14	Correct	5 ms	6236 KB	Output is correct
15	Correct	1 ms	3676 KB	Output is correct
16	Correct	2 ms	3800 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	6 ms	6876 KB	Output is correct
19	Correct	5 ms	6748 KB	Output is correct
20	Incorrect	4 ms	6748 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #3

0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 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	1116 KB	Output is correct
6	Correct	1 ms	1116 KB	Output is correct
7	Correct	1 ms	1116 KB	Output is correct
8	Correct	1 ms	1116 KB	Output is correct
9	Correct	0 ms	1116 KB	Output is correct
10	Correct	1 ms	1116 KB	Output is correct
11	Correct	1 ms	1116 KB	Output is correct
12	Correct	1 ms	1116 KB	Output is correct
13	Correct	1 ms	1116 KB	Output is correct
14	Correct	5 ms	6236 KB	Output is correct
15	Correct	1 ms	3676 KB	Output is correct
16	Correct	2 ms	3800 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	6 ms	6876 KB	Output is correct
19	Correct	5 ms	6748 KB	Output is correct
20	Incorrect	4 ms	6748 KB	Output isn't correct
21	Halted	0 ms	0 KB	-