oj.uz

Submission #847179

# Submission time Handle Problem Language Result Execution time Memory
847179 2023-09-09T09:09:01 Z iskhakkutbilim Soccer Stadium (IOI23_soccer) C++17
13.5 / 100
 4500 ms 79700 KB 
#include "soccer.h"
#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second

int n;
vector< vector<int> > a;
vector<vector<int> > R, C;
/*
5
1 1 1 1 1
1 1 1 1 1
1 0 0 0 1
1 0 0 0 1
1 0 1 0 1
*/

/*
5
1 0 0 0 0
1 0 0 0 0
0 0 0 0 0
0 0 0 0 0
1 1 1 0 0

*/

int counter(int i, int j, int x, int y){
	int c = 0;
	while(i >= 0 && i < n && j < n && j >= 0){
		c+= (a[i][j] == 0);
		i+= x, j+= y;
	}
	return c;
}


int row_ones(int row, int i, int j){
	if(i > j) swap(i, j);
	return R[row][j] - (i == 0 ? 0 : R[row][i-1]);
}

int col_ones(int col, int i, int j){
	if(i > j) swap(i, j);
	return C[col][j] - (i == 0 ? 0 : C[col][i-1]);
}

int check(int i, int j, int r, int c){
	int ok = 0;
	if(row_ones(i, j, c) + col_ones(c, i, r) > 0) ok++;
	if(col_ones(j, i, r) + row_ones(r, j, c) > 0) ok++;
	if(ok != 2) return 1;
	return 0;
}

int biggest_stadium(int N, vector<vector<int>> F){
	n = N;
	a = F;
	R.resize(N);
	C.resize(N);
	int ans = 0;
	for(int i = 0;i < n; i++){
		for(int j = 0;j < n; j++){
			ans+= (a[i][j] == 0);
		}
	}
	for(int i = 0;i < n; i++){
		for(int j = 0;j < n; j++){
			R[i].push_back((R[i].empty() ? 0 : R[i].back()) + (a[i][j] == 1));
		}
//		cout << i+1 << " = ";
//		for(auto x : R[i]) cout << x << ' ';
//		cout << '\n';
	}
	for(int j = 0;j < n; j++){
		for(int i = 0;i < n; i++){
			C[j].push_back((C[j].empty() ? 0 : C[j].back()) + (a[i][j] == 1));
		}
	}
	if(ans == n * n) return ans;
	if(n * n - ans == 1){
		int mx = 0;
		for(int i = 0;i < n; i++){
			for(int j = 0;j < n; j++){
				if(a[i][j] == 0) continue;
				int west = counter(i, j, -1, 0);
				int east = counter(i, j, 1, 0);
				int north = counter(i, j, 0, -1);
				int south = counter(i, j, 0, 1);
				return ans - min(west, east)* min(north, south);
				
			}
		}
		return mx;
	}
	for(int i = 0;i < n; i++){
		for(int j = 0;j < n; j++){
			for(int r = 0; r < n; r++){
				for(int c = 0; c < n; c++){
					if(a[i][j] == 0 and a[r][c] == 0){
						if(!check(i, j, r, c)){
							return 0;
						}
					}
				}
			}
		}
	}
	return ans;
}


//main(){
//	int N; cin >> N;
//	vector< vector<int> > F(N, vector<int>(N));
//	for(int i = 0;i < N; i++){
//		for(int j = 0;j < N; j++){
//			cin >> F[i][j];
//		}
//	}
//	cout << biggest_stadium(N, F);
//}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial

Subtask #1
1.5 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 344 KB ok
6 Partially correct 0 ms 348 KB partial
7 Partially correct 2 ms 604 KB partial
8 Partially correct 17 ms 5272 KB partial
9 Partially correct 276 ms 79700 KB partial

Subtask #2
2.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok
2 Correct 0 ms 348 KB ok
3 Partially correct 1 ms 348 KB partial
4 Partially correct 0 ms 348 KB partial
5 Partially correct 0 ms 348 KB partial
6 Partially correct 0 ms 348 KB partial
7 Partially correct 0 ms 512 KB partial
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Partially correct 0 ms 348 KB partial
11 Partially correct 0 ms 348 KB partial
12 Partially correct 0 ms 348 KB partial
13 Correct 0 ms 348 KB ok

Subtask #3
5.5 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Partially correct 1 ms 348 KB partial
5 Partially correct 0 ms 348 KB partial
6 Partially correct 0 ms 348 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 512 KB partial
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Partially correct 0 ms 348 KB partial
12 Partially correct 0 ms 348 KB partial
13 Partially correct 0 ms 348 KB partial
14 Correct 0 ms 348 KB ok
15 Partially correct 0 ms 348 KB partial
16 Partially correct 0 ms 348 KB partial
17 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 344 KB partial
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Partially correct 0 ms 348 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 1 ms 348 KB partial
26 Partially correct 1 ms 348 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Partially correct 1 ms 348 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Partially correct 0 ms 348 KB partial
10 Partially correct 0 ms 512 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 0 ms 348 KB partial
16 Correct 0 ms 348 KB ok
17 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 344 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Partially correct 1 ms 348 KB partial
28 Partially correct 1 ms 348 KB partial
29 Partially correct 0 ms 348 KB partial
30 Partially correct 1 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 1 ms 348 KB partial
34 Correct 1 ms 348 KB ok
35 Correct 2 ms 348 KB ok
36 Partially correct 1 ms 348 KB partial
37 Partially correct 1 ms 348 KB partial
38 Partially correct 1 ms 348 KB partial
39 Partially correct 1 ms 348 KB partial
40 Partially correct 1 ms 344 KB partial
41 Partially correct 0 ms 348 KB partial

Subtask #5
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Partially correct 1 ms 348 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Partially correct 0 ms 348 KB partial
10 Partially correct 0 ms 512 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 0 ms 348 KB partial
16 Correct 0 ms 348 KB ok
17 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 344 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Partially correct 1 ms 348 KB partial
28 Partially correct 1 ms 348 KB partial
29 Partially correct 0 ms 348 KB partial
30 Partially correct 1 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 1 ms 348 KB partial
34 Correct 1 ms 348 KB ok
35 Correct 2 ms 348 KB ok
36 Partially correct 1 ms 348 KB partial
37 Partially correct 1 ms 348 KB partial
38 Partially correct 1 ms 348 KB partial
39 Partially correct 1 ms 348 KB partial
40 Partially correct 1 ms 344 KB partial
41 Partially correct 0 ms 348 KB partial
42 Partially correct 17 ms 5464 KB partial
43 Partially correct 17 ms 5468 KB partial
44 Partially correct 16 ms 5212 KB partial
45 Partially correct 19 ms 5268 KB partial
46 Partially correct 17 ms 5212 KB partial
47 Partially correct 17 ms 5468 KB partial
48 Execution timed out 4562 ms 5212 KB Time limit exceeded
49 Halted 0 ms 0 KB -

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB partial
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 1 ms 344 KB ok
7 Partially correct 0 ms 348 KB partial
8 Partially correct 2 ms 604 KB partial
9 Partially correct 17 ms 5272 KB partial
10 Partially correct 276 ms 79700 KB partial
11 Partially correct 1 ms 348 KB partial
12 Partially correct 0 ms 348 KB partial
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 0 ms 512 KB partial
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 348 KB ok
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Correct 0 ms 348 KB ok
22 Partially correct 0 ms 348 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 344 KB partial
27 Correct 0 ms 348 KB ok
28 Correct 0 ms 348 KB ok
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 1 ms 348 KB partial
33 Partially correct 1 ms 348 KB partial
34 Partially correct 0 ms 348 KB partial
35 Partially correct 1 ms 348 KB partial
36 Partially correct 0 ms 348 KB partial
37 Partially correct 0 ms 348 KB partial
38 Partially correct 1 ms 348 KB partial
39 Correct 1 ms 348 KB ok
40 Correct 2 ms 348 KB ok
41 Partially correct 1 ms 348 KB partial
42 Partially correct 1 ms 348 KB partial
43 Partially correct 1 ms 348 KB partial
44 Partially correct 1 ms 348 KB partial
45 Partially correct 1 ms 344 KB partial
46 Partially correct 0 ms 348 KB partial
47 Partially correct 17 ms 5464 KB partial
48 Partially correct 17 ms 5468 KB partial
49 Partially correct 16 ms 5212 KB partial
50 Partially correct 19 ms 5268 KB partial
51 Partially correct 17 ms 5212 KB partial
52 Partially correct 17 ms 5468 KB partial
53 Execution timed out 4562 ms 5212 KB Time limit exceeded
54 Halted 0 ms 0 KB -