oj.uz

Submission #716188

# Submission time Handle Problem Language Result Execution time Memory
716188 2023-03-29T08:26:43 Z shoryu386 Bitaro the Brave (JOI19_ho_t1) C++17
50 / 100
 552 ms 274432 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

main(){
	int n, m; cin >> n >> m;
	char arr[n][m];
	for (int x = n-1; x > -1; x--){
		for (int y = 0; y < m; y++) cin >> arr[x][y];
	}
	
	int OpsumHori[n][m], OpsumVert[n][m], IpsumHori[n][m], IpsumVert[n][m];
	for (int x = 0; x < n; x++){
		OpsumHori[x][m-1] = (arr[x][m-1] == 'O');
		IpsumHori[x][m-1] = (arr[x][m-1] == 'I');
		for (int y = m-2; y > -1; y--){
			OpsumHori[x][y] = OpsumHori[x][y+1] + (arr[x][y] == 'O');
			IpsumHori[x][y] = IpsumHori[x][y+1] + (arr[x][y] == 'I');
		}
	}
	
	for (int y = 0; y < m; y++){
		OpsumVert[0][y] = (arr[0][y] == 'O');
		IpsumVert[0][y] = (arr[0][y] == 'I');
		for (int x = 1; x < n; x++){
			OpsumVert[x][y] = OpsumVert[x-1][y] + (arr[x][y] == 'O');
			IpsumVert[x][y] = IpsumVert[x-1][y] + (arr[x][y] == 'I');
		}
	}
	
	int ans = 0;
	for (int x = 0; x < n; x++){
		for (int y = 0; y < m; y++){
			if (arr[x][y] == 'J') ans += OpsumHori[x][y] * IpsumVert[x][y];
		}
	}
	
	cout << ans;
}

Compilation message

joi2019_ho_t1.cpp:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 | main(){
      | ^~~~

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 1 ms 212 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 500 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 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 1 ms 212 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 500 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 21 ms 6440 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 11 ms 4384 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 24 ms 8276 KB Output is correct
19 Correct 21 ms 8060 KB Output is correct
20 Correct 21 ms 8148 KB Output is correct
21 Correct 20 ms 8344 KB Output is correct
22 Correct 18 ms 7948 KB Output is correct
23 Correct 22 ms 8084 KB Output is correct
24 Correct 21 ms 8276 KB Output is correct
25 Correct 18 ms 7948 KB Output is correct
26 Correct 22 ms 8084 KB Output is correct

Subtask #3
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 1 ms 212 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 500 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 21 ms 6440 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 11 ms 4384 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 24 ms 8276 KB Output is correct
19 Correct 21 ms 8060 KB Output is correct
20 Correct 21 ms 8148 KB Output is correct
21 Correct 20 ms 8344 KB Output is correct
22 Correct 18 ms 7948 KB Output is correct
23 Correct 22 ms 8084 KB Output is correct
24 Correct 21 ms 8276 KB Output is correct
25 Correct 18 ms 7948 KB Output is correct
26 Correct 22 ms 8084 KB Output is correct
27 Runtime error 552 ms 274432 KB Execution killed with signal 9
28 Halted 0 ms 0 KB -