oj.uz

Submission #967345

# Submission time Handle Problem Language Result Execution time Memory
967345 2024-04-22T02:29:44 Z pcc Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 1931 ms 215120 KB 
#include <bits/stdc++.h>
using namespace std;

#pragma GCC target("avx2,popcnt,sse4")
#pragma GCC optimize("O3,unroll-loops")

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>

const int B = 180;
const int mxn = 1e5+10;
vector<int> paths[mxn];
int N,M,Q;

namespace SMALL{
	vector<pii> dp[mxn];
	bitset<mxn> done;
	void trim(int now){
		vector<int> all;
		vector<pii> v;
		sort(dp[now].rbegin(),dp[now].rend());
		for(auto &i:dp[now]){
			if(v.size()>=B)break;
			if(done[i.sc])continue;
			v.push_back(i);
			all.push_back(i.sc);
			done[i.sc] = true;
		}
		for(auto &i:all)done[i] = false;
		dp[now].swap(v);
		return;
	}
	void PREC(){
		for(int i = 1;i<=N;i++)dp[i].push_back(pii(0,i));
		for(int i = 1;i<=N;i++){
			for(auto nxt:paths[i]){
				for(auto &j:dp[i])dp[nxt].push_back(pii(j.fs+1,j.sc));
				trim(nxt);
			}
		}
		return;
	}
	void GETANS(int tar,vector<int> ban){
		for(auto &i:ban)done[i] = true;
		int ans = -1;
		for(auto &j:dp[tar]){
			if(done[j.sc])continue;
			ans = j.fs;
			break;
		}
		for(auto &i:ban)done[i] = false;
		cout<<ans<<'\n';
		return;
		return;
	}
}

namespace BIG{
	int dist[mxn];
	void GETANS(int tar,vector<int> ban){
		memset(dist,0,sizeof(dist));
		for(auto &i:ban)dist[i] = -mxn*2;
		for(int i = 1;i<=N;i++){
			for(auto nxt:paths[i]){
				dist[nxt] = max(dist[nxt],dist[i]+1);
			}
		}
		cout<<(dist[tar]<0?-1:dist[tar])<<'\n';
		return;
	}
}

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N>>M>>Q;
	for(int i = 0;i<M;i++){
		int a,b;
		cin>>a>>b;
		paths[a].push_back(b);
	}
	SMALL::PREC();
	while(Q--){
		int st;
		cin>>st;
		vector<int> v;
		int k;
		cin>>k;
		while(k--){
			int tmp;
			cin>>tmp;
			v.push_back(tmp);
		}
		if(v.size()+10<B)SMALL::GETANS(st,v);
		else BIG::GETANS(st,v);
	}
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5212 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct
3 Correct 1 ms 5212 KB Output is correct
4 Correct 2 ms 5212 KB Output is correct
5 Correct 6 ms 5960 KB Output is correct
6 Correct 6 ms 5980 KB Output is correct
7 Correct 6 ms 5976 KB Output is correct
8 Correct 16 ms 7512 KB Output is correct
9 Correct 16 ms 7516 KB Output is correct
10 Correct 16 ms 7516 KB Output is correct
11 Correct 18 ms 7248 KB Output is correct
12 Correct 11 ms 6748 KB Output is correct
13 Correct 17 ms 7168 KB Output is correct
14 Correct 14 ms 6640 KB Output is correct
15 Correct 9 ms 6236 KB Output is correct
16 Correct 13 ms 6580 KB Output is correct
17 Correct 14 ms 6748 KB Output is correct
18 Correct 11 ms 6480 KB Output is correct
19 Correct 17 ms 7000 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5212 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct
3 Correct 1 ms 5212 KB Output is correct
4 Correct 2 ms 5212 KB Output is correct
5 Correct 6 ms 5960 KB Output is correct
6 Correct 6 ms 5980 KB Output is correct
7 Correct 6 ms 5976 KB Output is correct
8 Correct 16 ms 7512 KB Output is correct
9 Correct 16 ms 7516 KB Output is correct
10 Correct 16 ms 7516 KB Output is correct
11 Correct 18 ms 7248 KB Output is correct
12 Correct 11 ms 6748 KB Output is correct
13 Correct 17 ms 7168 KB Output is correct
14 Correct 14 ms 6640 KB Output is correct
15 Correct 9 ms 6236 KB Output is correct
16 Correct 13 ms 6580 KB Output is correct
17 Correct 14 ms 6748 KB Output is correct
18 Correct 11 ms 6480 KB Output is correct
19 Correct 17 ms 7000 KB Output is correct
20 Correct 1392 ms 8608 KB Output is correct
21 Correct 1428 ms 8920 KB Output is correct
22 Correct 1387 ms 8608 KB Output is correct
23 Correct 1724 ms 8840 KB Output is correct
24 Correct 1728 ms 156520 KB Output is correct
25 Correct 1824 ms 160236 KB Output is correct
26 Correct 1816 ms 160396 KB Output is correct
27 Correct 1418 ms 211904 KB Output is correct
28 Correct 1436 ms 211176 KB Output is correct
29 Correct 1425 ms 211596 KB Output is correct
30 Correct 1526 ms 210792 KB Output is correct
31 Correct 1728 ms 207436 KB Output is correct
32 Correct 1520 ms 210620 KB Output is correct
33 Correct 1122 ms 135952 KB Output is correct
34 Correct 1163 ms 117768 KB Output is correct
35 Correct 1069 ms 134700 KB Output is correct
36 Correct 1381 ms 175332 KB Output is correct
37 Correct 1539 ms 164036 KB Output is correct
38 Correct 1355 ms 175976 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5212 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct
3 Correct 1 ms 5212 KB Output is correct
4 Correct 2 ms 5212 KB Output is correct
5 Correct 6 ms 5960 KB Output is correct
6 Correct 6 ms 5980 KB Output is correct
7 Correct 6 ms 5976 KB Output is correct
8 Correct 16 ms 7512 KB Output is correct
9 Correct 16 ms 7516 KB Output is correct
10 Correct 16 ms 7516 KB Output is correct
11 Correct 18 ms 7248 KB Output is correct
12 Correct 11 ms 6748 KB Output is correct
13 Correct 17 ms 7168 KB Output is correct
14 Correct 14 ms 6640 KB Output is correct
15 Correct 9 ms 6236 KB Output is correct
16 Correct 13 ms 6580 KB Output is correct
17 Correct 14 ms 6748 KB Output is correct
18 Correct 11 ms 6480 KB Output is correct
19 Correct 17 ms 7000 KB Output is correct
20 Correct 1392 ms 8608 KB Output is correct
21 Correct 1428 ms 8920 KB Output is correct
22 Correct 1387 ms 8608 KB Output is correct
23 Correct 1724 ms 8840 KB Output is correct
24 Correct 1728 ms 156520 KB Output is correct
25 Correct 1824 ms 160236 KB Output is correct
26 Correct 1816 ms 160396 KB Output is correct
27 Correct 1418 ms 211904 KB Output is correct
28 Correct 1436 ms 211176 KB Output is correct
29 Correct 1425 ms 211596 KB Output is correct
30 Correct 1526 ms 210792 KB Output is correct
31 Correct 1728 ms 207436 KB Output is correct
32 Correct 1520 ms 210620 KB Output is correct
33 Correct 1122 ms 135952 KB Output is correct
34 Correct 1163 ms 117768 KB Output is correct
35 Correct 1069 ms 134700 KB Output is correct
36 Correct 1381 ms 175332 KB Output is correct
37 Correct 1539 ms 164036 KB Output is correct
38 Correct 1355 ms 175976 KB Output is correct
39 Correct 1722 ms 158084 KB Output is correct
40 Correct 1764 ms 160824 KB Output is correct
41 Correct 1767 ms 161368 KB Output is correct
42 Correct 1879 ms 161460 KB Output is correct
43 Correct 1746 ms 160448 KB Output is correct
44 Correct 1409 ms 11272 KB Output is correct
45 Correct 1407 ms 10516 KB Output is correct
46 Correct 1392 ms 10260 KB Output is correct
47 Correct 1466 ms 10260 KB Output is correct
48 Correct 1393 ms 10136 KB Output is correct
49 Correct 1530 ms 214644 KB Output is correct
50 Correct 1494 ms 213332 KB Output is correct
51 Correct 1415 ms 11028 KB Output is correct
52 Correct 1377 ms 10272 KB Output is correct
53 Correct 1427 ms 177672 KB Output is correct
54 Correct 1601 ms 166924 KB Output is correct
55 Correct 1386 ms 176576 KB Output is correct
56 Correct 1571 ms 166912 KB Output is correct
57 Correct 1491 ms 11000 KB Output is correct
58 Correct 1408 ms 11016 KB Output is correct
59 Correct 1426 ms 10244 KB Output is correct
60 Correct 1396 ms 10324 KB Output is correct
61 Correct 1639 ms 213876 KB Output is correct
62 Correct 1511 ms 177712 KB Output is correct
63 Correct 1641 ms 165648 KB Output is correct
64 Correct 1811 ms 213492 KB Output is correct
65 Correct 1693 ms 177056 KB Output is correct
66 Correct 1900 ms 166840 KB Output is correct
67 Correct 1931 ms 213288 KB Output is correct
68 Correct 1863 ms 177856 KB Output is correct
69 Correct 1922 ms 164812 KB Output is correct
70 Correct 1506 ms 213776 KB Output is correct
71 Correct 1444 ms 177504 KB Output is correct
72 Correct 1571 ms 166348 KB Output is correct
73 Correct 1537 ms 213828 KB Output is correct
74 Correct 1422 ms 177652 KB Output is correct
75 Correct 1517 ms 166568 KB Output is correct
76 Correct 1532 ms 215120 KB Output is correct
77 Correct 1614 ms 213588 KB Output is correct
78 Correct 1423 ms 213824 KB Output is correct
79 Correct 1435 ms 11652 KB Output is correct
80 Correct 1404 ms 10528 KB Output is correct
81 Correct 1395 ms 10184 KB Output is correct
82 Correct 1642 ms 214308 KB Output is correct
83 Correct 1810 ms 210860 KB Output is correct
84 Correct 1736 ms 213096 KB Output is correct
85 Correct 1901 ms 209728 KB Output is correct
86 Correct 1512 ms 213012 KB Output is correct
87 Correct 1778 ms 210120 KB Output is correct
88 Correct 1441 ms 11292 KB Output is correct
89 Correct 1425 ms 11284 KB Output is correct
90 Correct 1429 ms 10500 KB Output is correct
91 Correct 1400 ms 10532 KB Output is correct
92 Correct 1411 ms 10144 KB Output is correct
93 Correct 1383 ms 10136 KB Output is correct
94 Correct 1137 ms 139328 KB Output is correct
95 Correct 1206 ms 120732 KB Output is correct
96 Correct 1253 ms 137728 KB Output is correct
97 Correct 1354 ms 122044 KB Output is correct
98 Correct 1116 ms 138200 KB Output is correct
99 Correct 1171 ms 121508 KB Output is correct
100 Correct 1676 ms 11388 KB Output is correct
101 Correct 1771 ms 11388 KB Output is correct
102 Correct 1731 ms 10624 KB Output is correct
103 Correct 1736 ms 10612 KB Output is correct
104 Correct 1696 ms 10156 KB Output is correct
105 Correct 1692 ms 10160 KB Output is correct
106 Correct 1451 ms 178188 KB Output is correct
107 Correct 1647 ms 167364 KB Output is correct
108 Correct 1535 ms 178004 KB Output is correct
109 Correct 1672 ms 166268 KB Output is correct
110 Correct 1389 ms 178492 KB Output is correct
111 Correct 1576 ms 167112 KB Output is correct
112 Correct 1452 ms 11236 KB Output is correct
113 Correct 1376 ms 11344 KB Output is correct
114 Correct 1436 ms 10540 KB Output is correct
115 Correct 1433 ms 10520 KB Output is correct
116 Correct 1398 ms 10308 KB Output is correct
117 Correct 1433 ms 10068 KB Output is correct
118 Correct 1553 ms 213412 KB Output is correct
119 Correct 1436 ms 177540 KB Output is correct
120 Correct 1583 ms 165800 KB Output is correct
121 Correct 1507 ms 213128 KB Output is correct
122 Correct 1434 ms 176812 KB Output is correct
123 Correct 1536 ms 165372 KB Output is correct
124 Correct 1493 ms 213352 KB Output is correct
125 Correct 1415 ms 177952 KB Output is correct
126 Correct 1522 ms 165212 KB Output is correct