oj.uz

Submission #162423

# Submission time Handle Problem Language Result Execution time Memory
162423 2019-11-08T08:29:20 Z MvC Political Development (BOI17_politicaldevelopment) C++11
16 / 100
 2929 ms 312024 KB 
#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#include <bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<62);
const int inf=(1<<30);
const int nmax=5e4+5;
const int mod=1e9+7;
using namespace std;
int n,k,x,i,j,d[nmax],nr,rs;
bitset<nmax>b[nmax],viz;
vector<int>g[nmax],vc,rnd;
int main()
{
	//freopen("sol.in","r",stdin);
	//freopen("sol.out","w",stdout);
	//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
	srand(time(0));
	cin>>n>>k;
	for(i=1;i<=n;i++)
	{
		cin>>d[i];
		for(j=1;j<=d[i];j++)
		{
			cin>>x;
			x++;
			b[i][x]=1;
			g[i].pb(x);
		}
	}
	for(i=1;i<=n;i++)rnd.pb(i);
	while(clock()/(double)CLOCKS_PER_SEC<=2.9)
	{
		random_shuffle(rnd.begin(),rnd.end());
		for(int i=0;i<(int)vc.size();i++)viz[vc[i]]=0;
		vc.clear();
		for(i=0;i<n;i++)
		{
			x=rnd[i];
			nr=0;
			for(j=0;j<(int)g[x].size();j++)nr+=viz[g[x][j]];
			if(nr==(int)vc.size())
			{
				vc.pb(x);
				viz[x]=1;
			}
		}
		rs=max(rs,(int)vc.size());
		if(rs==k)break;
	}
	cout<<rs<<endl;
	return 0;
}

Compilation message

politicaldevelopment.cpp:2:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("O3")
 
politicaldevelopment.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("unroll-loops")

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1528 KB Output is correct
2 Correct 3 ms 1528 KB Output is correct
3 Correct 22 ms 22520 KB Output is correct
4 Correct 26 ms 22008 KB Output is correct
5 Correct 21 ms 21880 KB Output is correct
6 Correct 22 ms 21884 KB Output is correct
7 Correct 22 ms 21880 KB Output is correct
8 Correct 2901 ms 1644 KB Output is correct
9 Correct 3 ms 1528 KB Output is correct
10 Correct 61 ms 1656 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1528 KB Output is correct
2 Correct 3 ms 1528 KB Output is correct
3 Correct 22 ms 22520 KB Output is correct
4 Correct 26 ms 22008 KB Output is correct
5 Correct 21 ms 21880 KB Output is correct
6 Correct 22 ms 21884 KB Output is correct
7 Correct 22 ms 21880 KB Output is correct
8 Correct 2901 ms 1644 KB Output is correct
9 Correct 3 ms 1528 KB Output is correct
10 Correct 61 ms 1656 KB Output is correct
11 Correct 21 ms 21880 KB Output is correct
12 Correct 2902 ms 21892 KB Output is correct
13 Correct 2900 ms 1628 KB Output is correct
14 Correct 2902 ms 22012 KB Output is correct
15 Correct 3 ms 1532 KB Output is correct
16 Correct 2902 ms 21956 KB Output is correct
17 Correct 3 ms 1528 KB Output is correct
18 Correct 2902 ms 21952 KB Output is correct
19 Correct 2900 ms 1644 KB Output is correct
20 Correct 946 ms 21880 KB Output is correct
21 Correct 299 ms 21880 KB Output is correct
22 Correct 2900 ms 1656 KB Output is correct
23 Correct 324 ms 23032 KB Output is correct
24 Correct 2900 ms 1664 KB Output is correct
25 Correct 204 ms 23032 KB Output is correct
26 Correct 2902 ms 22392 KB Output is correct
27 Correct 2902 ms 23032 KB Output is correct
28 Correct 2902 ms 22136 KB Output is correct
29 Correct 2902 ms 22864 KB Output is correct
30 Correct 2902 ms 22828 KB Output is correct
31 Correct 2902 ms 23288 KB Output is correct
32 Correct 2902 ms 22864 KB Output is correct
33 Correct 2902 ms 23216 KB Output is correct
34 Correct 2904 ms 23220 KB Output is correct
35 Correct 2901 ms 12088 KB Output is correct
36 Correct 2901 ms 12124 KB Output is correct
37 Correct 2901 ms 12124 KB Output is correct
38 Correct 2900 ms 6716 KB Output is correct
39 Correct 2901 ms 6700 KB Output is correct
40 Correct 64 ms 23416 KB Output is correct
41 Correct 2901 ms 6776 KB Output is correct
42 Correct 273 ms 23596 KB Output is correct
43 Correct 323 ms 23544 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2900 ms 1528 KB Output is correct
2 Correct 2900 ms 1656 KB Output is correct
3 Correct 2900 ms 1656 KB Output is correct
4 Correct 2900 ms 1620 KB Output is correct
5 Correct 2900 ms 1656 KB Output is correct
6 Correct 2900 ms 1640 KB Output is correct
7 Correct 2900 ms 1656 KB Output is correct
8 Correct 2900 ms 1784 KB Output is correct
9 Correct 2900 ms 1656 KB Output is correct
10 Correct 2900 ms 1680 KB Output is correct
11 Correct 2926 ms 312016 KB Output is correct
12 Correct 2900 ms 1756 KB Output is correct
13 Incorrect 2929 ms 312024 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1528 KB Output is correct
2 Correct 3 ms 1528 KB Output is correct
3 Correct 22 ms 22520 KB Output is correct
4 Correct 26 ms 22008 KB Output is correct
5 Correct 21 ms 21880 KB Output is correct
6 Correct 22 ms 21884 KB Output is correct
7 Correct 22 ms 21880 KB Output is correct
8 Correct 2901 ms 1644 KB Output is correct
9 Correct 3 ms 1528 KB Output is correct
10 Correct 61 ms 1656 KB Output is correct
11 Correct 21 ms 21880 KB Output is correct
12 Correct 2902 ms 21892 KB Output is correct
13 Correct 2900 ms 1628 KB Output is correct
14 Correct 2902 ms 22012 KB Output is correct
15 Correct 3 ms 1532 KB Output is correct
16 Correct 2902 ms 21956 KB Output is correct
17 Correct 3 ms 1528 KB Output is correct
18 Correct 2902 ms 21952 KB Output is correct
19 Correct 2900 ms 1644 KB Output is correct
20 Correct 946 ms 21880 KB Output is correct
21 Correct 299 ms 21880 KB Output is correct
22 Correct 2900 ms 1656 KB Output is correct
23 Correct 324 ms 23032 KB Output is correct
24 Correct 2900 ms 1664 KB Output is correct
25 Correct 204 ms 23032 KB Output is correct
26 Correct 2902 ms 22392 KB Output is correct
27 Correct 2902 ms 23032 KB Output is correct
28 Correct 2902 ms 22136 KB Output is correct
29 Correct 2902 ms 22864 KB Output is correct
30 Correct 2902 ms 22828 KB Output is correct
31 Correct 2902 ms 23288 KB Output is correct
32 Correct 2902 ms 22864 KB Output is correct
33 Correct 2902 ms 23216 KB Output is correct
34 Correct 2904 ms 23220 KB Output is correct
35 Correct 2901 ms 12088 KB Output is correct
36 Correct 2901 ms 12124 KB Output is correct
37 Correct 2901 ms 12124 KB Output is correct
38 Correct 2900 ms 6716 KB Output is correct
39 Correct 2901 ms 6700 KB Output is correct
40 Correct 64 ms 23416 KB Output is correct
41 Correct 2901 ms 6776 KB Output is correct
42 Correct 273 ms 23596 KB Output is correct
43 Correct 323 ms 23544 KB Output is correct
44 Correct 395 ms 24312 KB Output is correct
45 Correct 2900 ms 1656 KB Output is correct
46 Correct 322 ms 23416 KB Output is correct
47 Incorrect 2902 ms 24312 KB Output isn't correct
48 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1528 KB Output is correct
2 Correct 3 ms 1528 KB Output is correct
3 Correct 22 ms 22520 KB Output is correct
4 Correct 26 ms 22008 KB Output is correct
5 Correct 21 ms 21880 KB Output is correct
6 Correct 22 ms 21884 KB Output is correct
7 Correct 22 ms 21880 KB Output is correct
8 Correct 2901 ms 1644 KB Output is correct
9 Correct 3 ms 1528 KB Output is correct
10 Correct 61 ms 1656 KB Output is correct
11 Correct 21 ms 21880 KB Output is correct
12 Correct 2902 ms 21892 KB Output is correct
13 Correct 2900 ms 1628 KB Output is correct
14 Correct 2902 ms 22012 KB Output is correct
15 Correct 3 ms 1532 KB Output is correct
16 Correct 2902 ms 21956 KB Output is correct
17 Correct 3 ms 1528 KB Output is correct
18 Correct 2902 ms 21952 KB Output is correct
19 Correct 2900 ms 1644 KB Output is correct
20 Correct 946 ms 21880 KB Output is correct
21 Correct 299 ms 21880 KB Output is correct
22 Correct 2900 ms 1656 KB Output is correct
23 Correct 324 ms 23032 KB Output is correct
24 Correct 2900 ms 1664 KB Output is correct
25 Correct 204 ms 23032 KB Output is correct
26 Correct 2902 ms 22392 KB Output is correct
27 Correct 2902 ms 23032 KB Output is correct
28 Correct 2902 ms 22136 KB Output is correct
29 Correct 2902 ms 22864 KB Output is correct
30 Correct 2902 ms 22828 KB Output is correct
31 Correct 2902 ms 23288 KB Output is correct
32 Correct 2902 ms 22864 KB Output is correct
33 Correct 2902 ms 23216 KB Output is correct
34 Correct 2904 ms 23220 KB Output is correct
35 Correct 2901 ms 12088 KB Output is correct
36 Correct 2901 ms 12124 KB Output is correct
37 Correct 2901 ms 12124 KB Output is correct
38 Correct 2900 ms 6716 KB Output is correct
39 Correct 2901 ms 6700 KB Output is correct
40 Correct 64 ms 23416 KB Output is correct
41 Correct 2901 ms 6776 KB Output is correct
42 Correct 273 ms 23596 KB Output is correct
43 Correct 323 ms 23544 KB Output is correct
44 Correct 2900 ms 1616 KB Output is correct
45 Incorrect 2926 ms 304976 KB Output isn't correct
46 Halted 0 ms 0 KB -