oj.uz

Submission #514933

# Submission time Handle Problem Language Result Execution time Memory
514933 2022-01-18T20:24:03 Z status_coding Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 278 ms 161560 KB 
#include <iostream>

using namespace std;

long long n,m,ans;
string s[3005];

long long dpR[3005][3005];
long long dpD[3005][3005];

int main()
{
    cin>>n>>m;
    for(int i=0;i<n;i++)
        cin>>s[i];

    for(int i=n-1;i>=0;i--)
        for(int j=m-1;j>=0;j--)
        {
            dpR[i][j]=dpR[i][j+1] + (s[i][j] == 'O');
            dpD[i][j]=dpD[i+1][j] + (s[i][j] == 'I');

            if(s[i][j] == 'J')
                ans += dpR[i][j] * dpD[i][j];
        }

    cout<<ans;
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 1228 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
8 Correct 1 ms 1356 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1228 KB Output is correct
11 Correct 1 ms 1356 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 1228 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 1228 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
8 Correct 1 ms 1356 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1228 KB Output is correct
11 Correct 1 ms 1356 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 1228 KB Output is correct
14 Correct 12 ms 7780 KB Output is correct
15 Correct 2 ms 3788 KB Output is correct
16 Correct 6 ms 4812 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 11 ms 8984 KB Output is correct
19 Correct 9 ms 8640 KB Output is correct
20 Correct 9 ms 8844 KB Output is correct
21 Correct 10 ms 9036 KB Output is correct
22 Correct 9 ms 8604 KB Output is correct
23 Correct 9 ms 8852 KB Output is correct
24 Correct 12 ms 9028 KB Output is correct
25 Correct 9 ms 8652 KB Output is correct
26 Correct 9 ms 8780 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 1228 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
8 Correct 1 ms 1356 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1228 KB Output is correct
11 Correct 1 ms 1356 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 1228 KB Output is correct
14 Correct 12 ms 7780 KB Output is correct
15 Correct 2 ms 3788 KB Output is correct
16 Correct 6 ms 4812 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 11 ms 8984 KB Output is correct
19 Correct 9 ms 8640 KB Output is correct
20 Correct 9 ms 8844 KB Output is correct
21 Correct 10 ms 9036 KB Output is correct
22 Correct 9 ms 8604 KB Output is correct
23 Correct 9 ms 8852 KB Output is correct
24 Correct 12 ms 9028 KB Output is correct
25 Correct 9 ms 8652 KB Output is correct
26 Correct 9 ms 8780 KB Output is correct
27 Correct 258 ms 161116 KB Output is correct
28 Correct 10 ms 19540 KB Output is correct
29 Correct 20 ms 14148 KB Output is correct
30 Correct 2 ms 844 KB Output is correct
31 Correct 195 ms 133428 KB Output is correct
32 Correct 251 ms 161492 KB Output is correct
33 Correct 253 ms 161068 KB Output is correct
34 Correct 260 ms 154776 KB Output is correct
35 Correct 256 ms 161548 KB Output is correct
36 Correct 256 ms 161068 KB Output is correct
37 Correct 278 ms 161560 KB Output is correct
38 Correct 204 ms 132932 KB Output is correct
39 Correct 186 ms 132972 KB Output is correct