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Submission #1005645

# Submission time Handle Problem Language Result Execution time Memory
1005645 2024-06-22T17:11:04 Z MarwenElarbi Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 180 ms 88340 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define fi first
#define se second
#define ll long long
#define pb push_back
#define ii pair<int,int>
template <class T>
using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int nax=2e3+5;
#define optimise ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
int main()
{
    /*#ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif*/
    optimise;   
    int n,m;
    cin>>n>>m;
    char grid[n][m];
    for (int i = 0; i < n; ++i)
    {
        for (int j = 0; j < m; ++j)
        {
            cin>>grid[i][j];
        }
    }
    long long ans=0;
    int xx[n][m];
    int yy[n][m];
    for (int i = 0; i < n; ++i)
    {
        int cur=0;
        for (int j = m-1; j >= 0; --j)
        {
            if(grid[i][j]=='O') cur++;
            xx[i][j]=cur;
        }
    }
    for (int j = 0; j < m; ++j)
    {
        int cur=0;
        for (int i = n-1; i >= 0; --i)
        {
            if(grid[i][j]=='I') cur++;
            yy[i][j]=cur;
        }
    }
    for (int i = 0; i < n; ++i)
    {
        for (int j = 0; j < m; ++j)
        {
            if(grid[i][j]=='J'){
                ans+=yy[i][j]*xx[i][j];
            }
        }
    }
    cout <<ans<<endl;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 456 KB Output is correct
10 Correct 0 ms 460 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 456 KB Output is correct
10 Correct 0 ms 460 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 4 ms 2140 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 1628 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 5 ms 2896 KB Output is correct
19 Correct 4 ms 2772 KB Output is correct
20 Correct 4 ms 2652 KB Output is correct
21 Correct 5 ms 2652 KB Output is correct
22 Correct 3 ms 2716 KB Output is correct
23 Correct 4 ms 2764 KB Output is correct
24 Correct 5 ms 2648 KB Output is correct
25 Correct 3 ms 2652 KB Output is correct
26 Correct 4 ms 2652 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 456 KB Output is correct
10 Correct 0 ms 460 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 4 ms 2140 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 1628 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 5 ms 2896 KB Output is correct
19 Correct 4 ms 2772 KB Output is correct
20 Correct 4 ms 2652 KB Output is correct
21 Correct 5 ms 2652 KB Output is correct
22 Correct 3 ms 2716 KB Output is correct
23 Correct 4 ms 2764 KB Output is correct
24 Correct 5 ms 2648 KB Output is correct
25 Correct 3 ms 2652 KB Output is correct
26 Correct 4 ms 2652 KB Output is correct
27 Correct 168 ms 83484 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 10 ms 6612 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 134 ms 61436 KB Output is correct
32 Correct 148 ms 87884 KB Output is correct
33 Correct 145 ms 88148 KB Output is correct
34 Correct 132 ms 71264 KB Output is correct
35 Correct 158 ms 87768 KB Output is correct
36 Correct 158 ms 88144 KB Output is correct
37 Correct 180 ms 88340 KB Output is correct
38 Correct 100 ms 61008 KB Output is correct
39 Correct 100 ms 61268 KB Output is correct