oj.uz

Submission #852017

# Submission time Handle Problem Language Result Execution time Memory
852017 2023-09-21T06:26:42 Z denniskim Soccer Stadium (IOI23_soccer) C++17
25 / 100
 336 ms 63552 KB 
#include "soccer.h"
#include <bits/stdc++.h>

using namespace std;
typedef int ll;
typedef __int128 lll;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pld;
#define MAX 9223372036854775807LL
#define MIN -9223372036854775807LL
#define INF 987654321
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cout << fixed; cout.precision(10);
#define sp << " "
#define en << "\n"
#define compress(v) sort(v.begin(), v.end()), v.erase(unique(v.begin(), v.end()), v.end())

ll n;
ll a[2010][2010];
ll chk[2010][2010];
ll dx[] = {-1, 1, 0, 0};
ll dy[] = {0, 0, -1, 1};

ll biggest_stadium(ll N, vector<vector<ll> > F)
{
	n = N;
	
	for(ll i = 1 ; i <= n ; i++)
	{
		for(ll j = 1 ; j <= n ; j++)
			a[i][j] = F[i - 1][j - 1];
	}
	
	ll ans = 0;
	ll X, Y;
	
	for(ll i = 1 ; i <= n ; i++)
	{
		for(ll j = 1 ; j <= n ; j++)
		{
			if(a[i][j] == 0)
				X = i, Y = j;
		}
	}
	
	queue<pll> q;
	
	q.push({X, Y});
	chk[X][Y] = 1;
	
	while(!q.empty())
	{
		pll qq = q.front();
		q.pop();
		
		ans++;
		
		for(ll d = 0 ; d < 4 ; d++)
		{
			ll nx = qq.fi + dx[d];
			ll ny = qq.se + dy[d];
			
			if(nx <= 0 || ny <= 0 || nx > n || ny > n)
				continue;
			
			if(chk[nx][ny] || a[nx][ny])
				continue;
			
			chk[nx][ny] = 1;
			q.push({nx, ny});
		}
	}
	
	vector<pll> vv;
	
	for(ll i = 1 ; i <= n ; i++)
	{
		ll minn = INF, maxx = -INF;
		
		for(ll j = 1 ; j <= n ; j++)
		{
			if(a[i][j] == 0)
			{
				minn = min(minn, j);
				maxx = max(maxx, j);
			}
		}
		
		if(minn == INF)
			continue;
		
		vv.push_back({minn, maxx});
		
		for(ll j = minn + 1 ; j < maxx ; j++)
		{
			if(a[i][j] == 1)
				return -1;
		}
	}
	
	for(ll j = 1 ; j <= n ; j++)
	{
		ll minn = INF, maxx = -INF;
		
		for(ll i = 1 ; i <= n ; i++)
		{
			if(a[i][j] == 0)
			{
				minn = min(minn, i);
				maxx = max(maxx, i);
			}
		}
		
		if(minn == INF)
			continue;
		
		for(ll i = minn + 1 ; i < maxx ; i++)
		{
			if(a[i][j] == 1)
				return -1;
		}
	}
	
	for(auto &i : vv)
	{
		for(auto &j : vv)
		{
			if(i.fi <= j.fi && j.se <= i.se)
				continue;
			
			if(j.fi <= i.fi && i.se <= j.se)
				continue;
			
			return -1;
		}
	}
	
	return ans;
}

Compilation message

soccer.cpp: In function 'll biggest_stadium(ll, std::vector<std::vector<int> >)':
soccer.cpp:51:12: warning: 'Y' may be used uninitialized in this function [-Wmaybe-uninitialized]
   51 |  chk[X][Y] = 1;
      |  ~~~~~~~~~~^~~
soccer.cpp:51:12: warning: 'X' may be used uninitialized in this function [-Wmaybe-uninitialized]

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2396 KB partial

Subtask #1
1.5 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB ok
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 2396 KB ok
4 Correct 1 ms 2396 KB ok
5 Correct 0 ms 2396 KB ok
6 Partially correct 1 ms 2552 KB partial
7 Partially correct 2 ms 6748 KB partial
8 Partially correct 21 ms 12124 KB partial
9 Partially correct 324 ms 63264 KB partial

Subtask #2
2.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB ok
2 Correct 1 ms 2396 KB ok
3 Partially correct 1 ms 2392 KB partial
4 Partially correct 1 ms 2396 KB partial
5 Partially correct 1 ms 2396 KB partial
6 Partially correct 1 ms 2396 KB partial
7 Partially correct 0 ms 2396 KB partial
8 Correct 0 ms 2396 KB ok
9 Correct 0 ms 2396 KB ok
10 Partially correct 1 ms 2396 KB partial
11 Partially correct 1 ms 2392 KB partial
12 Partially correct 1 ms 2392 KB partial
13 Correct 1 ms 2396 KB ok

Subtask #3
5.5 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2396 KB partial
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 2396 KB ok
4 Partially correct 1 ms 2392 KB partial
5 Partially correct 1 ms 2396 KB partial
6 Partially correct 1 ms 2396 KB partial
7 Partially correct 1 ms 2396 KB partial
8 Partially correct 0 ms 2396 KB partial
9 Correct 0 ms 2396 KB ok
10 Correct 0 ms 2396 KB ok
11 Partially correct 1 ms 2396 KB partial
12 Partially correct 1 ms 2392 KB partial
13 Partially correct 1 ms 2392 KB partial
14 Correct 1 ms 2396 KB ok
15 Partially correct 1 ms 2396 KB partial
16 Partially correct 1 ms 2396 KB partial
17 Partially correct 1 ms 2396 KB partial
18 Partially correct 0 ms 2396 KB partial
19 Partially correct 1 ms 2396 KB partial
20 Correct 1 ms 2396 KB ok
21 Correct 0 ms 2396 KB ok
22 Partially correct 1 ms 2392 KB partial
23 Partially correct 1 ms 2392 KB partial
24 Partially correct 1 ms 2396 KB partial
25 Partially correct 1 ms 2396 KB partial
26 Partially correct 0 ms 2396 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2396 KB partial
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 2396 KB ok
4 Correct 1 ms 2396 KB ok
5 Correct 1 ms 2396 KB ok
6 Partially correct 1 ms 2392 KB partial
7 Partially correct 1 ms 2396 KB partial
8 Partially correct 1 ms 2396 KB partial
9 Partially correct 1 ms 2396 KB partial
10 Partially correct 0 ms 2396 KB partial
11 Correct 0 ms 2396 KB ok
12 Correct 0 ms 2396 KB ok
13 Partially correct 1 ms 2396 KB partial
14 Partially correct 1 ms 2392 KB partial
15 Partially correct 1 ms 2392 KB partial
16 Correct 1 ms 2396 KB ok
17 Partially correct 1 ms 2396 KB partial
18 Partially correct 1 ms 2396 KB partial
19 Partially correct 1 ms 2396 KB partial
20 Partially correct 0 ms 2396 KB partial
21 Partially correct 1 ms 2396 KB partial
22 Correct 1 ms 2396 KB ok
23 Correct 0 ms 2396 KB ok
24 Partially correct 1 ms 2392 KB partial
25 Partially correct 1 ms 2392 KB partial
26 Partially correct 1 ms 2396 KB partial
27 Partially correct 1 ms 2396 KB partial
28 Partially correct 0 ms 2396 KB partial
29 Partially correct 1 ms 2396 KB partial
30 Partially correct 1 ms 4444 KB partial
31 Partially correct 1 ms 4504 KB partial
32 Partially correct 1 ms 4444 KB partial
33 Partially correct 1 ms 4444 KB partial
34 Correct 1 ms 4440 KB ok
35 Correct 1 ms 4440 KB ok
36 Partially correct 1 ms 2548 KB partial
37 Partially correct 1 ms 4696 KB partial
38 Partially correct 1 ms 4444 KB partial
39 Partially correct 2 ms 4444 KB partial
40 Partially correct 1 ms 2396 KB partial
41 Partially correct 1 ms 4444 KB partial

Subtask #5
4.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2396 KB partial
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 2396 KB ok
4 Correct 1 ms 2396 KB ok
5 Correct 1 ms 2396 KB ok
6 Partially correct 1 ms 2392 KB partial
7 Partially correct 1 ms 2396 KB partial
8 Partially correct 1 ms 2396 KB partial
9 Partially correct 1 ms 2396 KB partial
10 Partially correct 0 ms 2396 KB partial
11 Correct 0 ms 2396 KB ok
12 Correct 0 ms 2396 KB ok
13 Partially correct 1 ms 2396 KB partial
14 Partially correct 1 ms 2392 KB partial
15 Partially correct 1 ms 2392 KB partial
16 Correct 1 ms 2396 KB ok
17 Partially correct 1 ms 2396 KB partial
18 Partially correct 1 ms 2396 KB partial
19 Partially correct 1 ms 2396 KB partial
20 Partially correct 0 ms 2396 KB partial
21 Partially correct 1 ms 2396 KB partial
22 Correct 1 ms 2396 KB ok
23 Correct 0 ms 2396 KB ok
24 Partially correct 1 ms 2392 KB partial
25 Partially correct 1 ms 2392 KB partial
26 Partially correct 1 ms 2396 KB partial
27 Partially correct 1 ms 2396 KB partial
28 Partially correct 0 ms 2396 KB partial
29 Partially correct 1 ms 2396 KB partial
30 Partially correct 1 ms 4444 KB partial
31 Partially correct 1 ms 4504 KB partial
32 Partially correct 1 ms 4444 KB partial
33 Partially correct 1 ms 4444 KB partial
34 Correct 1 ms 4440 KB ok
35 Correct 1 ms 4440 KB ok
36 Partially correct 1 ms 2548 KB partial
37 Partially correct 1 ms 4696 KB partial
38 Partially correct 1 ms 4444 KB partial
39 Partially correct 2 ms 4444 KB partial
40 Partially correct 1 ms 2396 KB partial
41 Partially correct 1 ms 4444 KB partial
42 Partially correct 22 ms 12124 KB partial
43 Partially correct 23 ms 12112 KB partial
44 Partially correct 26 ms 12112 KB partial
45 Partially correct 21 ms 12112 KB partial
46 Partially correct 22 ms 12112 KB partial
47 Partially correct 21 ms 12124 KB partial
48 Correct 20 ms 11868 KB ok
49 Partially correct 19 ms 11868 KB partial
50 Partially correct 20 ms 12124 KB partial
51 Partially correct 17 ms 10588 KB partial
52 Partially correct 17 ms 10844 KB partial
53 Partially correct 18 ms 10588 KB partial
54 Partially correct 18 ms 11612 KB partial
55 Partially correct 18 ms 11864 KB partial
56 Partially correct 19 ms 10656 KB partial
57 Partially correct 20 ms 12112 KB partial
58 Partially correct 20 ms 12120 KB partial
59 Partially correct 20 ms 12116 KB partial

Subtask #6
7.5 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2396 KB partial
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 2396 KB ok
4 Correct 1 ms 2396 KB ok
5 Correct 1 ms 2396 KB ok
6 Correct 0 ms 2396 KB ok
7 Partially correct 1 ms 2552 KB partial
8 Partially correct 2 ms 6748 KB partial
9 Partially correct 21 ms 12124 KB partial
10 Partially correct 324 ms 63264 KB partial
11 Partially correct 1 ms 2392 KB partial
12 Partially correct 1 ms 2396 KB partial
13 Partially correct 1 ms 2396 KB partial
14 Partially correct 1 ms 2396 KB partial
15 Partially correct 0 ms 2396 KB partial
16 Correct 0 ms 2396 KB ok
17 Correct 0 ms 2396 KB ok
18 Partially correct 1 ms 2396 KB partial
19 Partially correct 1 ms 2392 KB partial
20 Partially correct 1 ms 2392 KB partial
21 Correct 1 ms 2396 KB ok
22 Partially correct 1 ms 2396 KB partial
23 Partially correct 1 ms 2396 KB partial
24 Partially correct 1 ms 2396 KB partial
25 Partially correct 0 ms 2396 KB partial
26 Partially correct 1 ms 2396 KB partial
27 Correct 1 ms 2396 KB ok
28 Correct 0 ms 2396 KB ok
29 Partially correct 1 ms 2392 KB partial
30 Partially correct 1 ms 2392 KB partial
31 Partially correct 1 ms 2396 KB partial
32 Partially correct 1 ms 2396 KB partial
33 Partially correct 0 ms 2396 KB partial
34 Partially correct 1 ms 2396 KB partial
35 Partially correct 1 ms 4444 KB partial
36 Partially correct 1 ms 4504 KB partial
37 Partially correct 1 ms 4444 KB partial
38 Partially correct 1 ms 4444 KB partial
39 Correct 1 ms 4440 KB ok
40 Correct 1 ms 4440 KB ok
41 Partially correct 1 ms 2548 KB partial
42 Partially correct 1 ms 4696 KB partial
43 Partially correct 1 ms 4444 KB partial
44 Partially correct 2 ms 4444 KB partial
45 Partially correct 1 ms 2396 KB partial
46 Partially correct 1 ms 4444 KB partial
47 Partially correct 22 ms 12124 KB partial
48 Partially correct 23 ms 12112 KB partial
49 Partially correct 26 ms 12112 KB partial
50 Partially correct 21 ms 12112 KB partial
51 Partially correct 22 ms 12112 KB partial
52 Partially correct 21 ms 12124 KB partial
53 Correct 20 ms 11868 KB ok
54 Partially correct 19 ms 11868 KB partial
55 Partially correct 20 ms 12124 KB partial
56 Partially correct 17 ms 10588 KB partial
57 Partially correct 17 ms 10844 KB partial
58 Partially correct 18 ms 10588 KB partial
59 Partially correct 18 ms 11612 KB partial
60 Partially correct 18 ms 11864 KB partial
61 Partially correct 19 ms 10656 KB partial
62 Partially correct 20 ms 12112 KB partial
63 Partially correct 20 ms 12120 KB partial
64 Partially correct 20 ms 12116 KB partial
65 Partially correct 336 ms 63552 KB partial
66 Partially correct 253 ms 48720 KB partial
67 Partially correct 256 ms 48720 KB partial
68 Partially correct 335 ms 63252 KB partial
69 Partially correct 325 ms 63300 KB partial
70 Partially correct 322 ms 63264 KB partial
71 Partially correct 317 ms 63260 KB partial
72 Partially correct 319 ms 63312 KB partial
73 Correct 302 ms 61900 KB ok
74 Correct 319 ms 61992 KB ok
75 Partially correct 296 ms 61988 KB partial
76 Partially correct 308 ms 63316 KB partial
77 Partially correct 330 ms 63300 KB partial
78 Partially correct 241 ms 48724 KB partial
79 Partially correct 252 ms 48676 KB partial
80 Partially correct 242 ms 48672 KB partial
81 Partially correct 255 ms 48672 KB partial
82 Partially correct 250 ms 48832 KB partial
83 Partially correct 252 ms 48720 KB partial
84 Partially correct 268 ms 51996 KB partial
85 Partially correct 263 ms 50260 KB partial
86 Partially correct 277 ms 53276 KB partial
87 Partially correct 278 ms 56096 KB partial
88 Partially correct 290 ms 57232 KB partial
89 Partially correct 319 ms 63256 KB partial
90 Partially correct 309 ms 63468 KB partial
91 Partially correct 308 ms 62804 KB partial
92 Partially correct 260 ms 48672 KB partial
93 Partially correct 249 ms 48720 KB partial
94 Partially correct 246 ms 48668 KB partial
95 Partially correct 246 ms 48672 KB partial
96 Partially correct 245 ms 48720 KB partial
97 Partially correct 266 ms 48724 KB partial
98 Partially correct 251 ms 48724 KB partial
99 Partially correct 257 ms 56864 KB partial
100 Partially correct 297 ms 63292 KB partial
101 Partially correct 269 ms 53280 KB partial
102 Partially correct 255 ms 53588 KB partial
103 Partially correct 313 ms 63364 KB partial
104 Partially correct 273 ms 55632 KB partial
105 Partially correct 252 ms 55076 KB partial
106 Partially correct 287 ms 63232 KB partial
107 Partially correct 290 ms 63008 KB partial
108 Partially correct 252 ms 48672 KB partial
109 Partially correct 252 ms 48760 KB partial