oj.uz

Submission #1077449

# Submission time Handle Problem Language Result Execution time Memory
1077449 2024-08-27T07:20:08 Z emptypringlescan Soccer Stadium (IOI23_soccer) C++17
25 / 100
 394 ms 165456 KB 
#include <bits/stdc++.h>
using namespace std;
int biggest_stadium(int n,vector<vector<int> > arr){
	int close[4][n][n];
	for(int j=0; j<n; j++){
		int prv=-1;
		for(int i=0; i<n; i++){
			if(arr[i][j]) prv=i;
			close[0][i][j]=prv;
		}
		prv=n;
		for(int i=n-1; i>=0; i--){
			if(arr[i][j]) prv=i;
			close[1][i][j]=prv;
		}
	}
	for(int i=0; i<n; i++){
		int prv=-1;
		for(int j=0; j<n; j++){
			if(arr[i][j]) prv=j;
			close[2][i][j]=prv;
		}
		prv=n;
		for(int j=n-1; j>=0; j--){
			if(arr[i][j]) prv=j;
			close[3][i][j]=prv;
		}
	}
	int pref[4][n+5][n+5];
	memset(pref,0,sizeof(pref));
	for(int i=0; i<n; i++) for(int j=0; j<n; j++) arr[i][j]^=1;
	for(int i=0; i<n; i++){
		for(int j=0; j<n; j++){
			pref[0][i+1][j+1]=pref[0][i+1][j]+pref[0][i][j+1]-pref[0][i][j]+arr[i][j];
		}
		for(int j=n-1; j>=0; j--){
			pref[1][i+1][j+1]=pref[1][i+1][j+2]+pref[1][i][j+1]-pref[1][i][j+2]+arr[i][j];
		}
	}
	for(int i=n-1; i>=0; i--){
		for(int j=0; j<n; j++){
			pref[2][i+1][j+1]=pref[2][i+1][j]+pref[2][i+2][j+1]-pref[2][i+2][j]+arr[i][j];
		}
		for(int j=n-1; j>=0; j--){
			pref[3][i+1][j+1]=pref[3][i+1][j+2]+pref[3][i+2][j+1]-pref[3][i+2][j+2]+arr[i][j];
		}
	}
	for(int a=1; a<=n; a++){
		for(int b=1; b<=n; b++){
			if(arr[a-1][b-1]==0){
				if((pref[0][a-1][b]-pref[0][a-1][b-1])&&(pref[2][a+1][b]-pref[2][a+1][b-1])) return 0;
				if((pref[0][a][b-1]-pref[0][a-1][b-1])&&(pref[3][a][b+1]-pref[3][a+1][b+1])) return 0;
				continue;
            }
			int u=close[0][a-1][b-1],d=close[1][a-1][b-1],l=close[2][a-1][b-1],r=close[3][a-1][b-1];
			//cout << a << ' ' << b << '\n';
			//cout << u << ' ' << d << ' ' << l << ' ' << r << '\n';
			if(pref[0][u+1][l+1]) return 0;
			if(pref[1][u+1][r+1]) return 0;
			if(pref[2][d+1][l+1]) return 0;
			if(pref[3][d+1][r+1]) return 0;
		}
	}
	return pref[0][n][n];
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 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 436 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 1 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Partially correct 0 ms 348 KB partial
7 Partially correct 1 ms 860 KB partial
8 Partially correct 22 ms 10588 KB partial
9 Partially correct 344 ms 165128 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 436 KB ok
3 Partially correct 0 ms 344 KB partial
4 Partially correct 0 ms 344 KB partial
5 Partially correct 0 ms 432 KB partial
6 Partially correct 0 ms 348 KB partial
7 Partially correct 0 ms 348 KB partial
8 Correct 0 ms 348 KB ok
9 Correct 1 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 512 KB ok

Subtask #3
5.5 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 436 KB ok
4 Partially correct 0 ms 344 KB partial
5 Partially correct 0 ms 344 KB partial
6 Partially correct 0 ms 432 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Correct 0 ms 348 KB ok
10 Correct 1 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 512 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 348 KB partial
20 Correct 0 ms 348 KB ok
21 Correct 1 ms 604 KB ok
22 Partially correct 0 ms 348 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 1 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 436 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Partially correct 0 ms 344 KB partial
7 Partially correct 0 ms 344 KB partial
8 Partially correct 0 ms 432 KB partial
9 Partially correct 0 ms 348 KB partial
10 Partially correct 0 ms 348 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 1 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 512 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 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 1 ms 604 KB ok
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 1 ms 348 KB partial
27 Partially correct 0 ms 348 KB partial
28 Partially correct 0 ms 348 KB partial
29 Partially correct 0 ms 344 KB partial
30 Partially correct 0 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 0 ms 348 KB ok
35 Correct 1 ms 348 KB ok
36 Partially correct 1 ms 348 KB partial
37 Partially correct 0 ms 348 KB partial
38 Partially correct 0 ms 348 KB partial
39 Partially correct 0 ms 348 KB partial
40 Partially correct 0 ms 348 KB partial
41 Partially correct 1 ms 344 KB partial

Subtask #5
4.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 436 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Partially correct 0 ms 344 KB partial
7 Partially correct 0 ms 344 KB partial
8 Partially correct 0 ms 432 KB partial
9 Partially correct 0 ms 348 KB partial
10 Partially correct 0 ms 348 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 1 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 512 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 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 1 ms 604 KB ok
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 1 ms 348 KB partial
27 Partially correct 0 ms 348 KB partial
28 Partially correct 0 ms 348 KB partial
29 Partially correct 0 ms 344 KB partial
30 Partially correct 0 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 0 ms 348 KB ok
35 Correct 1 ms 348 KB ok
36 Partially correct 1 ms 348 KB partial
37 Partially correct 0 ms 348 KB partial
38 Partially correct 0 ms 348 KB partial
39 Partially correct 0 ms 348 KB partial
40 Partially correct 0 ms 348 KB partial
41 Partially correct 1 ms 344 KB partial
42 Partially correct 21 ms 10588 KB partial
43 Partially correct 21 ms 10584 KB partial
44 Partially correct 20 ms 10588 KB partial
45 Partially correct 20 ms 10588 KB partial
46 Partially correct 21 ms 10588 KB partial
47 Partially correct 21 ms 10576 KB partial
48 Correct 20 ms 10588 KB ok
49 Partially correct 21 ms 10588 KB partial
50 Partially correct 20 ms 10588 KB partial
51 Partially correct 20 ms 10588 KB partial
52 Partially correct 21 ms 10752 KB partial
53 Partially correct 21 ms 10584 KB partial
54 Partially correct 24 ms 10588 KB partial
55 Partially correct 20 ms 10576 KB partial
56 Partially correct 20 ms 10588 KB partial
57 Partially correct 21 ms 10576 KB partial
58 Partially correct 22 ms 10584 KB partial
59 Partially correct 21 ms 10576 KB partial

Subtask #6
7.5 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 436 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Correct 1 ms 348 KB ok
7 Partially correct 0 ms 348 KB partial
8 Partially correct 1 ms 860 KB partial
9 Partially correct 22 ms 10588 KB partial
10 Partially correct 344 ms 165128 KB partial
11 Partially correct 0 ms 344 KB partial
12 Partially correct 0 ms 344 KB partial
13 Partially correct 0 ms 432 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 Correct 1 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 512 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 348 KB partial
27 Correct 0 ms 348 KB ok
28 Correct 1 ms 604 KB ok
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 1 ms 348 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 0 ms 348 KB partial
34 Partially correct 0 ms 344 KB partial
35 Partially correct 0 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 0 ms 348 KB ok
40 Correct 1 ms 348 KB ok
41 Partially correct 1 ms 348 KB partial
42 Partially correct 0 ms 348 KB partial
43 Partially correct 0 ms 348 KB partial
44 Partially correct 0 ms 348 KB partial
45 Partially correct 0 ms 348 KB partial
46 Partially correct 1 ms 344 KB partial
47 Partially correct 21 ms 10588 KB partial
48 Partially correct 21 ms 10584 KB partial
49 Partially correct 20 ms 10588 KB partial
50 Partially correct 20 ms 10588 KB partial
51 Partially correct 21 ms 10588 KB partial
52 Partially correct 21 ms 10576 KB partial
53 Correct 20 ms 10588 KB ok
54 Partially correct 21 ms 10588 KB partial
55 Partially correct 20 ms 10588 KB partial
56 Partially correct 20 ms 10588 KB partial
57 Partially correct 21 ms 10752 KB partial
58 Partially correct 21 ms 10584 KB partial
59 Partially correct 24 ms 10588 KB partial
60 Partially correct 20 ms 10576 KB partial
61 Partially correct 20 ms 10588 KB partial
62 Partially correct 21 ms 10576 KB partial
63 Partially correct 22 ms 10584 KB partial
64 Partially correct 21 ms 10576 KB partial
65 Partially correct 348 ms 161472 KB partial
66 Partially correct 362 ms 165200 KB partial
67 Partially correct 358 ms 165120 KB partial
68 Partially correct 347 ms 162348 KB partial
69 Partially correct 347 ms 165204 KB partial
70 Partially correct 350 ms 165204 KB partial
71 Partially correct 343 ms 165204 KB partial
72 Partially correct 331 ms 165008 KB partial
73 Correct 360 ms 165124 KB ok
74 Correct 362 ms 165012 KB ok
75 Partially correct 371 ms 165204 KB partial
76 Partially correct 325 ms 165456 KB partial
77 Partially correct 386 ms 164880 KB partial
78 Partially correct 328 ms 165204 KB partial
79 Partially correct 339 ms 165204 KB partial
80 Partially correct 350 ms 165200 KB partial
81 Partially correct 357 ms 165000 KB partial
82 Partially correct 352 ms 165204 KB partial
83 Partially correct 367 ms 165148 KB partial
84 Partially correct 347 ms 165204 KB partial
85 Partially correct 367 ms 165120 KB partial
86 Partially correct 382 ms 165248 KB partial
87 Partially correct 362 ms 165004 KB partial
88 Partially correct 394 ms 165204 KB partial
89 Partially correct 377 ms 164376 KB partial
90 Partially correct 336 ms 165204 KB partial
91 Partially correct 387 ms 165128 KB partial
92 Partially correct 350 ms 165000 KB partial
93 Partially correct 348 ms 165204 KB partial
94 Partially correct 340 ms 165200 KB partial
95 Partially correct 326 ms 165204 KB partial
96 Partially correct 363 ms 165200 KB partial
97 Partially correct 374 ms 165204 KB partial
98 Partially correct 358 ms 165204 KB partial
99 Partially correct 336 ms 165000 KB partial
100 Partially correct 328 ms 165140 KB partial
101 Partially correct 329 ms 165204 KB partial
102 Partially correct 331 ms 165128 KB partial
103 Partially correct 333 ms 165144 KB partial
104 Partially correct 341 ms 165204 KB partial
105 Partially correct 333 ms 165000 KB partial
106 Partially correct 334 ms 165140 KB partial
107 Partially correct 331 ms 165200 KB partial
108 Partially correct 351 ms 165200 KB partial
109 Partially correct 334 ms 165200 KB partial