oj.uz

Submission #640956

# Submission time Handle Problem Language Result Execution time Memory
640956 2022-09-15T15:23:56 Z kkkkkkkk Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 667 ms 118484 KB 
#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n,m;
    cin >> n >> m;
    char c[n][m];
    vector<pair<int,int> > vj;
    int mat_o[n][m],mat_i[n][m];
    for (int i=0;i<n;i++)
        for (int j=0;j<m;j++)
        {
            cin >> c[i][j];
            if (c[i][j]=='J')
                vj.push_back({i,j});
        }
    
    for (int i=0;i<m;i++){
        if (c[n-1][i]=='I') mat_i[n-1][i]=1;
        else mat_i[n-1][i]=0;
    }
    for (int i=n-2;i>=0;i--)
        for (int j=m-1;j>=0;j--){
            if (c[i][j]=='I') mat_i[i][j]=mat_i[i+1][j]+1;
            else mat_i[i][j]=mat_i[i+1][j];
        }
    for (int i=0;i<n;i++){
        if (c[i][m-1]=='O') mat_o[i][m-1]=1;
        else mat_o[i][m-1]=0;
    }
    for (int i=n-1;i>=0;i--)
        for (int j=m-2;j>=0;j--){
            if (c[i][j]=='O') mat_o[i][j]=mat_o[i][j+1]+1;
            else mat_o[i][j]=mat_o[i][j+1];
        }

    long long brojac=0;
    for (int i=0;i<vj.size();i++)
    {
        int index_i=vj[i].first,index_j=vj[i].second;
        brojac+=mat_o[index_i][index_j]*mat_i[index_i][index_j];
    }
    cout << brojac << endl;

    return 0;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:41:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for (int i=0;i<vj.size();i++)
      |                  ~^~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 432 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 304 KB Output is correct
13 Correct 1 ms 436 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 432 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 304 KB Output is correct
13 Correct 1 ms 436 KB Output is correct
14 Correct 14 ms 2780 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 9 ms 2100 KB Output is correct
17 Correct 1 ms 296 KB Output is correct
18 Correct 19 ms 3864 KB Output is correct
19 Correct 15 ms 3028 KB Output is correct
20 Correct 17 ms 3864 KB Output is correct
21 Correct 19 ms 3888 KB Output is correct
22 Correct 18 ms 3788 KB Output is correct
23 Correct 16 ms 3788 KB Output is correct
24 Correct 19 ms 3788 KB Output is correct
25 Correct 15 ms 3028 KB Output is correct
26 Correct 16 ms 3776 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 432 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 304 KB Output is correct
13 Correct 1 ms 436 KB Output is correct
14 Correct 14 ms 2780 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 9 ms 2100 KB Output is correct
17 Correct 1 ms 296 KB Output is correct
18 Correct 19 ms 3864 KB Output is correct
19 Correct 15 ms 3028 KB Output is correct
20 Correct 17 ms 3864 KB Output is correct
21 Correct 19 ms 3888 KB Output is correct
22 Correct 18 ms 3788 KB Output is correct
23 Correct 16 ms 3788 KB Output is correct
24 Correct 19 ms 3788 KB Output is correct
25 Correct 15 ms 3028 KB Output is correct
26 Correct 16 ms 3776 KB Output is correct
27 Correct 610 ms 114484 KB Output is correct
28 Correct 2 ms 724 KB Output is correct
29 Correct 49 ms 8700 KB Output is correct
30 Correct 2 ms 596 KB Output is correct
31 Correct 457 ms 77664 KB Output is correct
32 Correct 562 ms 94628 KB Output is correct
33 Correct 561 ms 116636 KB Output is correct
34 Correct 597 ms 103440 KB Output is correct
35 Correct 609 ms 118484 KB Output is correct
36 Correct 581 ms 116676 KB Output is correct
37 Correct 667 ms 117776 KB Output is correct
38 Correct 380 ms 68264 KB Output is correct
39 Correct 383 ms 77480 KB Output is correct