oj.uz

Submission #236165

# Submission time Handle Problem Language Result Execution time Memory
236165 2020-05-31T10:33:03 Z MvC Bitaro’s Party (JOI18_bitaro) C++11
100 / 100
 1464 ms 112588 KB 
#pragma GCC optimize("O3")
#pragma GCC optimize("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
#define all(x) x.begin(),x.end()
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=1e5+50;
const ll mod=1e9+7;
const int c=75;
using namespace std;
int n,m,q,x,y,i,j,nr,f[nmax],d[nmax],v[nmax],id[nmax],a[nmax],t;
vector<pair<int,int> >vc[nmax];
vector<int>g[nmax],cl;
pair<int,int>mx;
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);
	cin>>n>>m>>q;
	while(m--)
	{
		cin>>x>>y;
		g[y].pb(x);
	}
	for(i=1;i<=n;i++)
	{
		for(j=0;j<(int)g[i].size();j++)
		{
			x=g[i][j];
			f[i]=max(f[i],f[x]+1);
		}
		d[i]=f[i];
	}
	for(i=1;i<=n;i++)
	{
		for(j=0;j<(int)g[i].size();j++)id[g[i][j]]=0;
		nr=(int)g[i].size();
		for(t=0;t<c;t++)
		{
			mx=mkp(0,0);
			for(j=0;j<(int)g[i].size();j++)
			{
				x=g[i][j];
				if(id[x]==(int)vc[x].size())continue;
				while(id[x]<(int)vc[x].size() && v[vc[x][id[x]].sc])id[x]++;
				if(id[x]<(int)vc[x].size())mx=max(mx,vc[x][id[x]]);
				else nr--;
			}
			if(mx.sc)
			{
				vc[i].pb(mkp(mx.fr+1,mx.sc));
				v[mx.sc]=1;
				cl.pb(mx.sc);
			}
			else break;
			//if(!nr)break;
		}
		if((int)vc[i].size()<c)vc[i].pb(mkp(0,i));
		for(j=0;j<(int)cl.size();j++)v[cl[j]]=0;
		cl.clear();
	}
	while(q--)
	{
		cin>>x>>nr;
		for(i=1;i<=nr;i++)
		{
			cin>>a[i];
			v[a[i]]=1;
		}
		if(nr>=c)
		{
			for(i=a[1];i<=x;i++)
			{
				if(v[i])d[i]=-1;
				else d[i]=0;
				for(j=0;j<(int)g[i].size();j++)
				{
					y=g[i][j];
					if(d[y]==-1)continue;
					d[i]=max(d[i],d[y]+1);
				}
			}
			cout<<d[x]<<'\n';
			for(i=a[1];i<=x;i++)d[i]=f[i];
		}
		else
		{
			mx=mkp(-1,-1);
			for(i=0;i<(int)vc[x].size();i++)
			{
				if(!v[vc[x][i].sc])
				{
					mx=vc[x][i];
					break;
				}
			}
			cout<<mx.fr<<'\n';
		}
		for(i=1;i<=nr;i++)v[a[i]]=0;
	}
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 4992 KB Output is correct
2 Correct 8 ms 5120 KB Output is correct
3 Correct 8 ms 5120 KB Output is correct
4 Correct 8 ms 5120 KB Output is correct
5 Correct 11 ms 5632 KB Output is correct
6 Correct 11 ms 5608 KB Output is correct
7 Correct 11 ms 5504 KB Output is correct
8 Correct 11 ms 6144 KB Output is correct
9 Correct 11 ms 6144 KB Output is correct
10 Correct 11 ms 6144 KB Output is correct
11 Correct 12 ms 6016 KB Output is correct
12 Correct 11 ms 5888 KB Output is correct
13 Correct 12 ms 6144 KB Output is correct
14 Correct 11 ms 5724 KB Output is correct
15 Correct 11 ms 5504 KB Output is correct
16 Correct 11 ms 5760 KB Output is correct
17 Correct 12 ms 5888 KB Output is correct
18 Correct 11 ms 5632 KB Output is correct
19 Correct 11 ms 5888 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 4992 KB Output is correct
2 Correct 8 ms 5120 KB Output is correct
3 Correct 8 ms 5120 KB Output is correct
4 Correct 8 ms 5120 KB Output is correct
5 Correct 11 ms 5632 KB Output is correct
6 Correct 11 ms 5608 KB Output is correct
7 Correct 11 ms 5504 KB Output is correct
8 Correct 11 ms 6144 KB Output is correct
9 Correct 11 ms 6144 KB Output is correct
10 Correct 11 ms 6144 KB Output is correct
11 Correct 12 ms 6016 KB Output is correct
12 Correct 11 ms 5888 KB Output is correct
13 Correct 12 ms 6144 KB Output is correct
14 Correct 11 ms 5724 KB Output is correct
15 Correct 11 ms 5504 KB Output is correct
16 Correct 11 ms 5760 KB Output is correct
17 Correct 12 ms 5888 KB Output is correct
18 Correct 11 ms 5632 KB Output is correct
19 Correct 11 ms 5888 KB Output is correct
20 Correct 156 ms 7800 KB Output is correct
21 Correct 150 ms 7928 KB Output is correct
22 Correct 163 ms 7908 KB Output is correct
23 Correct 147 ms 7808 KB Output is correct
24 Correct 492 ms 88228 KB Output is correct
25 Correct 501 ms 89508 KB Output is correct
26 Correct 516 ms 89344 KB Output is correct
27 Correct 480 ms 112588 KB Output is correct
28 Correct 485 ms 112120 KB Output is correct
29 Correct 479 ms 111864 KB Output is correct
30 Correct 461 ms 111992 KB Output is correct
31 Correct 515 ms 110072 KB Output is correct
32 Correct 468 ms 111864 KB Output is correct
33 Correct 381 ms 73808 KB Output is correct
34 Correct 357 ms 66552 KB Output is correct
35 Correct 384 ms 73336 KB Output is correct
36 Correct 453 ms 92408 KB Output is correct
37 Correct 483 ms 88004 KB Output is correct
38 Correct 454 ms 92824 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 4992 KB Output is correct
2 Correct 8 ms 5120 KB Output is correct
3 Correct 8 ms 5120 KB Output is correct
4 Correct 8 ms 5120 KB Output is correct
5 Correct 11 ms 5632 KB Output is correct
6 Correct 11 ms 5608 KB Output is correct
7 Correct 11 ms 5504 KB Output is correct
8 Correct 11 ms 6144 KB Output is correct
9 Correct 11 ms 6144 KB Output is correct
10 Correct 11 ms 6144 KB Output is correct
11 Correct 12 ms 6016 KB Output is correct
12 Correct 11 ms 5888 KB Output is correct
13 Correct 12 ms 6144 KB Output is correct
14 Correct 11 ms 5724 KB Output is correct
15 Correct 11 ms 5504 KB Output is correct
16 Correct 11 ms 5760 KB Output is correct
17 Correct 12 ms 5888 KB Output is correct
18 Correct 11 ms 5632 KB Output is correct
19 Correct 11 ms 5888 KB Output is correct
20 Correct 156 ms 7800 KB Output is correct
21 Correct 150 ms 7928 KB Output is correct
22 Correct 163 ms 7908 KB Output is correct
23 Correct 147 ms 7808 KB Output is correct
24 Correct 492 ms 88228 KB Output is correct
25 Correct 501 ms 89508 KB Output is correct
26 Correct 516 ms 89344 KB Output is correct
27 Correct 480 ms 112588 KB Output is correct
28 Correct 485 ms 112120 KB Output is correct
29 Correct 479 ms 111864 KB Output is correct
30 Correct 461 ms 111992 KB Output is correct
31 Correct 515 ms 110072 KB Output is correct
32 Correct 468 ms 111864 KB Output is correct
33 Correct 381 ms 73808 KB Output is correct
34 Correct 357 ms 66552 KB Output is correct
35 Correct 384 ms 73336 KB Output is correct
36 Correct 453 ms 92408 KB Output is correct
37 Correct 483 ms 88004 KB Output is correct
38 Correct 454 ms 92824 KB Output is correct
39 Correct 557 ms 87672 KB Output is correct
40 Correct 504 ms 87928 KB Output is correct
41 Correct 1286 ms 88484 KB Output is correct
42 Correct 602 ms 87932 KB Output is correct
43 Correct 509 ms 87672 KB Output is correct
44 Correct 203 ms 7544 KB Output is correct
45 Correct 167 ms 7236 KB Output is correct
46 Correct 497 ms 7416 KB Output is correct
47 Correct 199 ms 7160 KB Output is correct
48 Correct 154 ms 7244 KB Output is correct
49 Correct 524 ms 111736 KB Output is correct
50 Correct 1315 ms 111352 KB Output is correct
51 Correct 188 ms 7672 KB Output is correct
52 Correct 559 ms 7416 KB Output is correct
53 Correct 489 ms 92468 KB Output is correct
54 Correct 526 ms 87928 KB Output is correct
55 Correct 1367 ms 92088 KB Output is correct
56 Correct 1464 ms 88264 KB Output is correct
57 Correct 190 ms 7544 KB Output is correct
58 Correct 201 ms 7544 KB Output is correct
59 Correct 546 ms 7416 KB Output is correct
60 Correct 550 ms 7288 KB Output is correct
61 Correct 586 ms 111224 KB Output is correct
62 Correct 535 ms 92708 KB Output is correct
63 Correct 552 ms 87416 KB Output is correct
64 Correct 716 ms 111352 KB Output is correct
65 Correct 670 ms 92280 KB Output is correct
66 Correct 781 ms 88056 KB Output is correct
67 Correct 861 ms 111480 KB Output is correct
68 Correct 886 ms 92664 KB Output is correct
69 Correct 902 ms 87024 KB Output is correct
70 Correct 485 ms 111248 KB Output is correct
71 Correct 445 ms 92408 KB Output is correct
72 Correct 480 ms 87800 KB Output is correct
73 Correct 503 ms 111224 KB Output is correct
74 Correct 465 ms 92392 KB Output is correct
75 Correct 492 ms 87532 KB Output is correct
76 Correct 520 ms 112252 KB Output is correct
77 Correct 981 ms 111608 KB Output is correct
78 Correct 497 ms 111736 KB Output is correct
79 Correct 195 ms 7544 KB Output is correct
80 Correct 365 ms 7160 KB Output is correct
81 Correct 157 ms 7288 KB Output is correct
82 Correct 590 ms 112212 KB Output is correct
83 Correct 557 ms 110072 KB Output is correct
84 Correct 881 ms 111608 KB Output is correct
85 Correct 962 ms 109816 KB Output is correct
86 Correct 479 ms 111740 KB Output is correct
87 Correct 534 ms 109792 KB Output is correct
88 Correct 185 ms 7544 KB Output is correct
89 Correct 189 ms 7544 KB Output is correct
90 Correct 375 ms 7288 KB Output is correct
91 Correct 364 ms 7160 KB Output is correct
92 Correct 146 ms 7160 KB Output is correct
93 Correct 161 ms 7288 KB Output is correct
94 Correct 412 ms 73976 KB Output is correct
95 Correct 397 ms 66296 KB Output is correct
96 Correct 794 ms 73464 KB Output is correct
97 Correct 775 ms 67192 KB Output is correct
98 Correct 388 ms 73720 KB Output is correct
99 Correct 376 ms 66808 KB Output is correct
100 Correct 182 ms 7544 KB Output is correct
101 Correct 184 ms 7544 KB Output is correct
102 Correct 303 ms 7164 KB Output is correct
103 Correct 301 ms 7288 KB Output is correct
104 Correct 156 ms 7160 KB Output is correct
105 Correct 156 ms 7276 KB Output is correct
106 Correct 481 ms 92536 KB Output is correct
107 Correct 507 ms 88252 KB Output is correct
108 Correct 931 ms 92792 KB Output is correct
109 Correct 984 ms 87736 KB Output is correct
110 Correct 453 ms 92800 KB Output is correct
111 Correct 475 ms 87928 KB Output is correct
112 Correct 195 ms 7672 KB Output is correct
113 Correct 203 ms 7544 KB Output is correct
114 Correct 358 ms 7160 KB Output is correct
115 Correct 373 ms 7160 KB Output is correct
116 Correct 150 ms 7160 KB Output is correct
117 Correct 156 ms 7160 KB Output is correct
118 Correct 486 ms 111352 KB Output is correct
119 Correct 434 ms 92536 KB Output is correct
120 Correct 467 ms 87480 KB Output is correct
121 Correct 471 ms 111352 KB Output is correct
122 Correct 455 ms 92280 KB Output is correct
123 Correct 470 ms 87544 KB Output is correct
124 Correct 513 ms 111224 KB Output is correct
125 Correct 444 ms 92664 KB Output is correct
126 Correct 470 ms 87416 KB Output is correct