oj.uz

Submission #913470

# Submission time Handle Problem Language Result Execution time Memory
913470 2024-01-20T08:03:31 Z SadraMzf Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 491 ms 159304 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define pt "--> "
#define Fast() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
typedef long long int ll ;
const int N = 3e3 + 7 , lg = 27 , len = 340 , Sq = 350 , oo = 2e9 , mod = 998244353 ;
int dx[9] = {0 , -1 , 0 , 1 , 0 , 1 , 1 , -1 , -1} , dy[9] = {0 , 0 , -1 , 0 , 1 , 1 , -1 , 1 , -1} ;

int n , m ;
ll ans ;
ll dp[N][N] , pd[N][N] ;
char c[N][N] ;

void solve() {
    cin >> n >> m ;
    for(int i = 1 ; i <= n ; i++)
        for(int j = 1 ; j <= m ; j++)
            cin >> c[i][j] ;
    
    for(int i = 1 ; i <= n ; i++)
        for(int j = m ; j ; j--)
            dp[i][j] = dp[i][j+1] + (c[i][j] == 'O') ;
    
    for(int j = 1 ; j <= m ; j++)
        for(int i = n ; i ; i--)
            pd[i][j] = pd[i+1][j] + (c[i][j] == 'I') ;

    for(int i = 1 ; i <= n ; i++)
        for(int j = 1 ; j <= m ; j++)
            if(c[i][j] == 'J')
                ans += dp[i][j] * pd[i][j] ;
    
    cout << ans << endl ;
}

int main(){
	// Fast() ;

    int T = 1 ;
    while(T--)
        solve() ;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 5368 KB Output is correct
6 Correct 1 ms 5208 KB Output is correct
7 Correct 2 ms 5212 KB Output is correct
8 Correct 3 ms 5212 KB Output is correct
9 Correct 2 ms 5212 KB Output is correct
10 Correct 2 ms 5212 KB Output is correct
11 Correct 2 ms 5208 KB Output is correct
12 Correct 2 ms 5208 KB Output is correct
13 Correct 2 ms 5212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 5368 KB Output is correct
6 Correct 1 ms 5208 KB Output is correct
7 Correct 2 ms 5212 KB Output is correct
8 Correct 3 ms 5212 KB Output is correct
9 Correct 2 ms 5212 KB Output is correct
10 Correct 2 ms 5212 KB Output is correct
11 Correct 2 ms 5208 KB Output is correct
12 Correct 2 ms 5208 KB Output is correct
13 Correct 2 ms 5212 KB Output is correct
14 Correct 12 ms 16984 KB Output is correct
15 Correct 4 ms 14684 KB Output is correct
16 Correct 11 ms 10844 KB Output is correct
17 Correct 1 ms 856 KB Output is correct
18 Correct 16 ms 17516 KB Output is correct
19 Correct 15 ms 17268 KB Output is correct
20 Correct 15 ms 17240 KB Output is correct
21 Correct 15 ms 17772 KB Output is correct
22 Correct 14 ms 17496 KB Output is correct
23 Correct 21 ms 17496 KB Output is correct
24 Correct 18 ms 17756 KB Output is correct
25 Correct 19 ms 17500 KB Output is correct
26 Correct 17 ms 17648 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 5368 KB Output is correct
6 Correct 1 ms 5208 KB Output is correct
7 Correct 2 ms 5212 KB Output is correct
8 Correct 3 ms 5212 KB Output is correct
9 Correct 2 ms 5212 KB Output is correct
10 Correct 2 ms 5212 KB Output is correct
11 Correct 2 ms 5208 KB Output is correct
12 Correct 2 ms 5208 KB Output is correct
13 Correct 2 ms 5212 KB Output is correct
14 Correct 12 ms 16984 KB Output is correct
15 Correct 4 ms 14684 KB Output is correct
16 Correct 11 ms 10844 KB Output is correct
17 Correct 1 ms 856 KB Output is correct
18 Correct 16 ms 17516 KB Output is correct
19 Correct 15 ms 17268 KB Output is correct
20 Correct 15 ms 17240 KB Output is correct
21 Correct 15 ms 17772 KB Output is correct
22 Correct 14 ms 17496 KB Output is correct
23 Correct 21 ms 17496 KB Output is correct
24 Correct 18 ms 17756 KB Output is correct
25 Correct 19 ms 17500 KB Output is correct
26 Correct 17 ms 17648 KB Output is correct
27 Correct 438 ms 158820 KB Output is correct
28 Correct 17 ms 72028 KB Output is correct
29 Correct 32 ms 15800 KB Output is correct
30 Correct 2 ms 860 KB Output is correct
31 Correct 342 ms 132944 KB Output is correct
32 Correct 461 ms 159092 KB Output is correct
33 Correct 491 ms 158824 KB Output is correct
34 Correct 403 ms 152796 KB Output is correct
35 Correct 445 ms 159200 KB Output is correct
36 Correct 490 ms 158612 KB Output is correct
37 Correct 466 ms 159304 KB Output is correct
38 Correct 297 ms 132704 KB Output is correct
39 Correct 308 ms 132572 KB Output is correct