oj.uz

Submission #305453

# Submission time Handle Problem Language Result Execution time Memory
305453 2020-09-23T08:33:52 Z vipghn2003 Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 378 ms 159100 KB 
#include<bits/stdc++.h>

using namespace std;

const int N=3005;
int n,m,sRow[N][N][2],sCol[N][N][2];
char a[N][N];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++)
        {
            cin>>a[i][j];
            for(int k=0;k<2;k++)
            {
                sRow[i][j][k]=sRow[i][j-1][k];
                sCol[i][j][k]=sCol[i-1][j][k];
            }
            if(a[i][j]=='O') sRow[i][j][0]++,sCol[i][j][0]++;
            if(a[i][j]=='I') sRow[i][j][1]++,sCol[i][j][1]++;
        }
    }
    long long res=0;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++)
        {
            if(a[i][j]!='J') continue;
            int numO=sRow[i][m][0]-sRow[i][j][0];
            int numI=sCol[n][j][1]-sCol[i][j][1];
            res+=1ll*numI*numO;
        }
    }
    cout<<res;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 2 ms 1560 KB Output is correct
6 Correct 2 ms 1664 KB Output is correct
7 Correct 1 ms 1536 KB Output is correct
8 Correct 2 ms 1664 KB Output is correct
9 Correct 1 ms 1536 KB Output is correct
10 Correct 2 ms 1536 KB Output is correct
11 Correct 2 ms 1664 KB Output is correct
12 Correct 2 ms 1536 KB Output is correct
13 Correct 2 ms 1536 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 2 ms 1560 KB Output is correct
6 Correct 2 ms 1664 KB Output is correct
7 Correct 1 ms 1536 KB Output is correct
8 Correct 2 ms 1664 KB Output is correct
9 Correct 1 ms 1536 KB Output is correct
10 Correct 2 ms 1536 KB Output is correct
11 Correct 2 ms 1664 KB Output is correct
12 Correct 2 ms 1536 KB Output is correct
13 Correct 2 ms 1536 KB Output is correct
14 Correct 14 ms 9088 KB Output is correct
15 Correct 4 ms 5120 KB Output is correct
16 Correct 6 ms 5376 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 16 ms 9984 KB Output is correct
19 Correct 13 ms 9856 KB Output is correct
20 Correct 12 ms 9856 KB Output is correct
21 Correct 15 ms 9984 KB Output is correct
22 Correct 12 ms 9856 KB Output is correct
23 Correct 12 ms 9856 KB Output is correct
24 Correct 15 ms 9984 KB Output is correct
25 Correct 12 ms 9856 KB Output is correct
26 Correct 12 ms 9856 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 2 ms 1560 KB Output is correct
6 Correct 2 ms 1664 KB Output is correct
7 Correct 1 ms 1536 KB Output is correct
8 Correct 2 ms 1664 KB Output is correct
9 Correct 1 ms 1536 KB Output is correct
10 Correct 2 ms 1536 KB Output is correct
11 Correct 2 ms 1664 KB Output is correct
12 Correct 2 ms 1536 KB Output is correct
13 Correct 2 ms 1536 KB Output is correct
14 Correct 14 ms 9088 KB Output is correct
15 Correct 4 ms 5120 KB Output is correct
16 Correct 6 ms 5376 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 16 ms 9984 KB Output is correct
19 Correct 13 ms 9856 KB Output is correct
20 Correct 12 ms 9856 KB Output is correct
21 Correct 15 ms 9984 KB Output is correct
22 Correct 12 ms 9856 KB Output is correct
23 Correct 12 ms 9856 KB Output is correct
24 Correct 15 ms 9984 KB Output is correct
25 Correct 12 ms 9856 KB Output is correct
26 Correct 12 ms 9856 KB Output is correct
27 Correct 369 ms 158584 KB Output is correct
28 Correct 19 ms 26368 KB Output is correct
29 Correct 22 ms 13952 KB Output is correct
30 Correct 2 ms 896 KB Output is correct
31 Correct 272 ms 131448 KB Output is correct
32 Correct 296 ms 159100 KB Output is correct
33 Correct 265 ms 158568 KB Output is correct
34 Correct 317 ms 152568 KB Output is correct
35 Correct 314 ms 159096 KB Output is correct
36 Correct 257 ms 158584 KB Output is correct
37 Correct 378 ms 159096 KB Output is correct
38 Correct 220 ms 130936 KB Output is correct
39 Correct 198 ms 130936 KB Output is correct