oj.uz

Submission #864533

# Submission time Handle Problem Language Result Execution time Memory
864533 2023-10-23T07:31:14 Z iskhakkutbilim Political Development (BOI17_politicaldevelopment) C++17
39 / 100
 3000 ms 314280 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int N = 50000;
int n, k;
int deg[N];
vector<int> g[N];
bitset<N> yes[N];
 
bool can(vector<int>&v){
	for(int i = 0;i < v.size(); i++){
		for(int j = i +1;j < v.size(); j++){
			if(yes[v[i]][v[j]] == 0) return false;
		}
	}
	return true;
}
 
 
main(){
   ios::sync_with_stdio(0);
   cin.tie(0); cout.tie(0);
	cin >> n >> k;
	for(int i = 0;i < n; i++){
		int sz; cin >> sz;
		deg[i] = sz;
		for(int j = 0;j < sz; j++){
			int x; cin >> x;
			yes[i][x] = 1;
//			if(i < x) 
			g[i].push_back(x);
		}
	}	
	int ans = 1;
	for(int mask = 0; mask < (1<<k); mask++){
		for(int i = 0;i < n; i++){
//			if(deg[i] < __builtin_popcount(mask)) continue;
			vector<int> v;
			for(int j = 0;j < g[i].size(); j++){
				if(mask & (1<<j)){
					v.push_back(g[i][j]);
				}
			}
			if(can(v)){
				ans = max(ans, (int)v.size() + 1);
			}
		}
	}
	cout << ans;
	return 0;
}

Compilation message

politicaldevelopment.cpp: In function 'bool can(std::vector<int>&)':
politicaldevelopment.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for(int i = 0;i < v.size(); i++){
      |                ~~^~~~~~~~~~
politicaldevelopment.cpp:15:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |   for(int j = i +1;j < v.size(); j++){
      |                    ~~^~~~~~~~~~
politicaldevelopment.cpp: At global scope:
politicaldevelopment.cpp:23:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   23 | main(){
      | ^~~~
politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:42:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |    for(int j = 0;j < g[i].size(); j++){
      |                  ~~^~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 6 ms 32604 KB Output is correct
4 Correct 5 ms 32604 KB Output is correct
5 Correct 5 ms 32604 KB Output is correct
6 Correct 5 ms 32728 KB Output is correct
7 Correct 5 ms 32604 KB Output is correct
8 Correct 1 ms 1624 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 6 ms 32604 KB Output is correct
4 Correct 5 ms 32604 KB Output is correct
5 Correct 5 ms 32604 KB Output is correct
6 Correct 5 ms 32728 KB Output is correct
7 Correct 5 ms 32604 KB Output is correct
8 Correct 1 ms 1624 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct
11 Correct 5 ms 32604 KB Output is correct
12 Correct 5 ms 32604 KB Output is correct
13 Correct 1 ms 1624 KB Output is correct
14 Correct 5 ms 32604 KB Output is correct
15 Correct 1 ms 1872 KB Output is correct
16 Correct 6 ms 32604 KB Output is correct
17 Correct 1 ms 1628 KB Output is correct
18 Correct 5 ms 32604 KB Output is correct
19 Correct 1 ms 1628 KB Output is correct
20 Correct 5 ms 32716 KB Output is correct
21 Correct 5 ms 32604 KB Output is correct
22 Correct 1 ms 5724 KB Output is correct
23 Correct 7 ms 32684 KB Output is correct
24 Correct 2 ms 5724 KB Output is correct
25 Correct 7 ms 32632 KB Output is correct
26 Correct 7 ms 32604 KB Output is correct
27 Correct 6 ms 32604 KB Output is correct
28 Correct 7 ms 32604 KB Output is correct
29 Correct 6 ms 32744 KB Output is correct
30 Correct 7 ms 32616 KB Output is correct
31 Correct 7 ms 32604 KB Output is correct
32 Correct 7 ms 32680 KB Output is correct
33 Correct 7 ms 32760 KB Output is correct
34 Correct 8 ms 32604 KB Output is correct
35 Correct 4 ms 18264 KB Output is correct
36 Correct 5 ms 18264 KB Output is correct
37 Correct 4 ms 18268 KB Output is correct
38 Correct 2 ms 9840 KB Output is correct
39 Correct 3 ms 10080 KB Output is correct
40 Correct 8 ms 32616 KB Output is correct
41 Correct 2 ms 9820 KB Output is correct
42 Correct 8 ms 32696 KB Output is correct
43 Correct 8 ms 32604 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1628 KB Output is correct
5 Correct 1 ms 1824 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1628 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1640 KB Output is correct
11 Execution timed out 3095 ms 314280 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 6 ms 32604 KB Output is correct
4 Correct 5 ms 32604 KB Output is correct
5 Correct 5 ms 32604 KB Output is correct
6 Correct 5 ms 32728 KB Output is correct
7 Correct 5 ms 32604 KB Output is correct
8 Correct 1 ms 1624 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct
11 Correct 5 ms 32604 KB Output is correct
12 Correct 5 ms 32604 KB Output is correct
13 Correct 1 ms 1624 KB Output is correct
14 Correct 5 ms 32604 KB Output is correct
15 Correct 1 ms 1872 KB Output is correct
16 Correct 6 ms 32604 KB Output is correct
17 Correct 1 ms 1628 KB Output is correct
18 Correct 5 ms 32604 KB Output is correct
19 Correct 1 ms 1628 KB Output is correct
20 Correct 5 ms 32716 KB Output is correct
21 Correct 5 ms 32604 KB Output is correct
22 Correct 1 ms 5724 KB Output is correct
23 Correct 7 ms 32684 KB Output is correct
24 Correct 2 ms 5724 KB Output is correct
25 Correct 7 ms 32632 KB Output is correct
26 Correct 7 ms 32604 KB Output is correct
27 Correct 6 ms 32604 KB Output is correct
28 Correct 7 ms 32604 KB Output is correct
29 Correct 6 ms 32744 KB Output is correct
30 Correct 7 ms 32616 KB Output is correct
31 Correct 7 ms 32604 KB Output is correct
32 Correct 7 ms 32680 KB Output is correct
33 Correct 7 ms 32760 KB Output is correct
34 Correct 8 ms 32604 KB Output is correct
35 Correct 4 ms 18264 KB Output is correct
36 Correct 5 ms 18264 KB Output is correct
37 Correct 4 ms 18268 KB Output is correct
38 Correct 2 ms 9840 KB Output is correct
39 Correct 3 ms 10080 KB Output is correct
40 Correct 8 ms 32616 KB Output is correct
41 Correct 2 ms 9820 KB Output is correct
42 Correct 8 ms 32696 KB Output is correct
43 Correct 8 ms 32604 KB Output is correct
44 Correct 447 ms 32860 KB Output is correct
45 Correct 1 ms 1624 KB Output is correct
46 Correct 10 ms 32860 KB Output is correct
47 Correct 29 ms 33024 KB Output is correct
48 Correct 10 ms 32860 KB Output is correct
49 Correct 32 ms 33032 KB Output is correct
50 Correct 96 ms 32856 KB Output is correct
51 Incorrect 244 ms 33468 KB Output isn't correct
52 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 6 ms 32604 KB Output is correct
4 Correct 5 ms 32604 KB Output is correct
5 Correct 5 ms 32604 KB Output is correct
6 Correct 5 ms 32728 KB Output is correct
7 Correct 5 ms 32604 KB Output is correct
8 Correct 1 ms 1624 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct
11 Correct 5 ms 32604 KB Output is correct
12 Correct 5 ms 32604 KB Output is correct
13 Correct 1 ms 1624 KB Output is correct
14 Correct 5 ms 32604 KB Output is correct
15 Correct 1 ms 1872 KB Output is correct
16 Correct 6 ms 32604 KB Output is correct
17 Correct 1 ms 1628 KB Output is correct
18 Correct 5 ms 32604 KB Output is correct
19 Correct 1 ms 1628 KB Output is correct
20 Correct 5 ms 32716 KB Output is correct
21 Correct 5 ms 32604 KB Output is correct
22 Correct 1 ms 5724 KB Output is correct
23 Correct 7 ms 32684 KB Output is correct
24 Correct 2 ms 5724 KB Output is correct
25 Correct 7 ms 32632 KB Output is correct
26 Correct 7 ms 32604 KB Output is correct
27 Correct 6 ms 32604 KB Output is correct
28 Correct 7 ms 32604 KB Output is correct
29 Correct 6 ms 32744 KB Output is correct
30 Correct 7 ms 32616 KB Output is correct
31 Correct 7 ms 32604 KB Output is correct
32 Correct 7 ms 32680 KB Output is correct
33 Correct 7 ms 32760 KB Output is correct
34 Correct 8 ms 32604 KB Output is correct
35 Correct 4 ms 18264 KB Output is correct
36 Correct 5 ms 18264 KB Output is correct
37 Correct 4 ms 18268 KB Output is correct
38 Correct 2 ms 9840 KB Output is correct
39 Correct 3 ms 10080 KB Output is correct
40 Correct 8 ms 32616 KB Output is correct
41 Correct 2 ms 9820 KB Output is correct
42 Correct 8 ms 32696 KB Output is correct
43 Correct 8 ms 32604 KB Output is correct
44 Correct 1 ms 1624 KB Output is correct
45 Correct 172 ms 310868 KB Output is correct
46 Correct 134 ms 302676 KB Output is correct
47 Correct 273 ms 310220 KB Output is correct
48 Correct 169 ms 310612 KB Output is correct
49 Correct 53 ms 286848 KB Output is correct
50 Correct 145 ms 312656 KB Output is correct
51 Correct 292 ms 310300 KB Output is correct
52 Correct 67 ms 283728 KB Output is correct
53 Correct 59 ms 286696 KB Output is correct
54 Correct 3 ms 1884 KB Output is correct
55 Correct 145 ms 312572 KB Output is correct
56 Correct 48 ms 283216 KB Output is correct
57 Correct 70 ms 284036 KB Output is correct
58 Correct 143 ms 306256 KB Output is correct
59 Correct 48 ms 283220 KB Output is correct
60 Correct 51 ms 283216 KB Output is correct
61 Correct 133 ms 306000 KB Output is correct
62 Correct 98 ms 299164 KB Output is correct
63 Correct 141 ms 305236 KB Output is correct
64 Correct 53 ms 283732 KB Output is correct
65 Correct 253 ms 307648 KB Output is correct
66 Correct 98 ms 299092 KB Output is correct
67 Correct 133 ms 305236 KB Output is correct
68 Correct 240 ms 307344 KB Output is correct
69 Correct 244 ms 307544 KB Output is correct
70 Correct 94 ms 299528 KB Output is correct
71 Correct 270 ms 307796 KB Output is correct
72 Correct 106 ms 301908 KB Output is correct
73 Correct 315 ms 310424 KB Output is correct
74 Correct 96 ms 297792 KB Output is correct
75 Correct 69 ms 157228 KB Output is correct
76 Correct 122 ms 300628 KB Output is correct
77 Correct 309 ms 310476 KB Output is correct
78 Correct 147 ms 157572 KB Output is correct
79 Correct 76 ms 157236 KB Output is correct
80 Correct 25 ms 80544 KB Output is correct
81 Correct 130 ms 157560 KB Output is correct
82 Correct 272 ms 308936 KB Output is correct
83 Correct 23 ms 80476 KB Output is correct
84 Correct 263 ms 308820 KB Output is correct