oj.uz

Submission #383096

# Submission time Handle Problem Language Result Execution time Memory
383096 2021-03-28T20:01:08 Z MODDI Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 473 ms 84560 KB 
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define vi vector<int>
#define vl vector<ll>
#define mp make_pair
#define pb push_back
using namespace std;
ll n, m, rez = 0;
char mat[3030][3030];
int main(){
	cin>>n>>m;
	for(int i = 0; i < n; i++){
		string a;
		cin>>a;
		for(int j = 0; j < m; j++){
			mat[i][j] = a[j];	
		}
	}
	int row[n][m], col[n][m];
	memset(row,0,sizeof(row));
	for(int i = 0; i < n;i++){
		int cur = 0;
		for(int j = m - 1; j >= 0; j--){
			if(mat[i][j]=='O')
				cur++;
				
			row[i][j] = cur;
		}
	}
	memset(col,0,sizeof(col));
	for(int j = 0; j < m; j++){
		int cur = 0;
		for(int i = n - 1; i >= 0; i--){
			if(mat[i][j] == 'I')
				cur++;
				
			col[i][j] = cur;
		}
	}
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			if(mat[i][j] == 'J' && i + 1 < n && j + 1 < m){
				ll lcnt = row[i][j+1], kcnt = col[i + 1][j];
				rez += (kcnt * lcnt);
			}
			else
				continue;
		}
	}
	cout<<rez<<endl; 
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 748 KB Output is correct
6 Correct 2 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 2 ms 620 KB Output is correct
13 Correct 2 ms 620 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 748 KB Output is correct
6 Correct 2 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 2 ms 620 KB Output is correct
13 Correct 2 ms 620 KB Output is correct
14 Correct 13 ms 3308 KB Output is correct
15 Correct 2 ms 1644 KB Output is correct
16 Correct 5 ms 2156 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 10 ms 3748 KB Output is correct
19 Correct 9 ms 3692 KB Output is correct
20 Correct 9 ms 3692 KB Output is correct
21 Correct 10 ms 3948 KB Output is correct
22 Correct 10 ms 3948 KB Output is correct
23 Correct 10 ms 3948 KB Output is correct
24 Correct 16 ms 3948 KB Output is correct
25 Correct 10 ms 3948 KB Output is correct
26 Correct 10 ms 3948 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 748 KB Output is correct
6 Correct 2 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 2 ms 620 KB Output is correct
13 Correct 2 ms 620 KB Output is correct
14 Correct 13 ms 3308 KB Output is correct
15 Correct 2 ms 1644 KB Output is correct
16 Correct 5 ms 2156 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 10 ms 3748 KB Output is correct
19 Correct 9 ms 3692 KB Output is correct
20 Correct 9 ms 3692 KB Output is correct
21 Correct 10 ms 3948 KB Output is correct
22 Correct 10 ms 3948 KB Output is correct
23 Correct 10 ms 3948 KB Output is correct
24 Correct 16 ms 3948 KB Output is correct
25 Correct 10 ms 3948 KB Output is correct
26 Correct 10 ms 3948 KB Output is correct
27 Correct 442 ms 80364 KB Output is correct
28 Correct 6 ms 7404 KB Output is correct
29 Correct 22 ms 6764 KB Output is correct
30 Correct 2 ms 492 KB Output is correct
31 Correct 330 ms 60124 KB Output is correct
32 Correct 439 ms 84436 KB Output is correct
33 Correct 428 ms 83948 KB Output is correct
34 Correct 373 ms 69008 KB Output is correct
35 Correct 437 ms 83692 KB Output is correct
36 Correct 432 ms 84460 KB Output is correct
37 Correct 473 ms 84560 KB Output is correct
38 Correct 298 ms 59628 KB Output is correct
39 Correct 302 ms 59896 KB Output is correct