oj.uz

Submission #765903

# Submission time Handle Problem Language Result Execution time Memory
765903 2023-06-25T07:15:59 Z minhcool Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 1590 ms 191880 KB 
#define local
#ifndef local
#include ""
#endif
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;

#define int long long
#define fi first
#define se second
#define pb push_back
#define mp make_pair

typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;

const int N = 3e5 + 5;

const int oo = 1e18 + 7, mod = 1e9 + 7;

mt19937 rng(1);

int rnd(int l, int r){
	int temp = rng() % (r - l + 1);
	return abs(temp) + l;
}

int n, m, q;

const int S = 105;

ii mx[N][S];

int itr[N];
bool ck[N], ck2[N], vis[N];

vector<int> lst[N], nxt[N];

int len[N];

#ifdef local
void process(){
	cin >> n >> m >> q;
	for(int i = 1; i <= m; i++){
		int x, y;
		cin >> x >> y;
		lst[y].pb(x);
		nxt[x].pb(y);
	}
	for(int i = 1; i <= n; i++){
		vector<ii> vc;
		for(auto it : lst[i]){
			//cout << "EDGE " << i << " " << it << "\n";
			//cout << mx[i][j].se << "\n";
			for(int j = 1; j <= 100; j++) vc.pb({mx[it][j].fi + 1, mx[it][j].se});
			//vc.pb({1, it});
		}
		//for(auto it : vc) cout << "OK " << it.fi << " " << it.se << "\n";
		sort(vc.begin(), vc.end(), greater<ii>());
		int itr = 0;
		for(auto it : vc){
			//cout << it.se << "\n";
			if(vis[it.se]) continue;
		//	cout << "OKAY " << it.fi << " " << it.se << "\n";
			itr++;
			if(itr > 100) break;
			vis[it.se] = 1;
			mx[i][itr] = it;
		}
	//	cout << i << " " << itr << "\n";
		if(itr < 100){
			itr++;
			mx[i][itr] = {0, i};
		}
		for(int j = 1; j <= 100; j++) vis[mx[i][j].se] = 0;
	//	cout << i << " ";
	//	for(int j = 1; j <= itr; j++) cout << mx[i][j].fi << " " << mx[i][j].se << " ";
	//	cout << "\n";
		//priority_queue<ii, vector<ii>, greater<ii>> pq;
	}
	while(q--){
		int s, x;
		cin >> s >> x;
		vector<int> vc;
		for(int i = 1; i <= x; i++){
			int y;
			cin >> y;
			vc.pb(y);
			ck2[y] = 1;
		}
		int answer = -1;
		for(int i = 1; i <= 100; i++){
			if(mx[s][i].se == 0) continue;
			if(!ck2[mx[s][i].se]){
				answer = mx[s][i].fi;
				break;
			}
		}
		if(answer < 0){
			for(int i = 1; i <= n; i++) len[i] = -oo;
			len[s] = 0;
			for(int i = s - 1; i >= 1; i--){
				for(auto it : nxt[i]) len[i] = max(len[i], len[it] + 1);
			}
			for(int i = 1; i <= s; i++) if(!ck2[i]) answer = max(answer, len[i]);
		}
		for(auto it : vc) ck2[it] = 0;
		cout << answer << "\n";
	}
}

signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	process();
}
#endif

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB Output is correct
2 Correct 10 ms 14352 KB Output is correct
3 Correct 7 ms 14420 KB Output is correct
4 Correct 7 ms 14444 KB Output is correct
5 Correct 13 ms 16116 KB Output is correct
6 Correct 14 ms 16160 KB Output is correct
7 Correct 14 ms 16152 KB Output is correct
8 Correct 15 ms 16128 KB Output is correct
9 Correct 13 ms 16236 KB Output is correct
10 Correct 13 ms 16212 KB Output is correct
11 Correct 14 ms 16104 KB Output is correct
12 Correct 14 ms 16168 KB Output is correct
13 Correct 15 ms 16132 KB Output is correct
14 Correct 14 ms 16252 KB Output is correct
15 Correct 14 ms 16356 KB Output is correct
16 Correct 17 ms 16100 KB Output is correct
17 Correct 14 ms 16136 KB Output is correct
18 Correct 14 ms 16352 KB Output is correct
19 Correct 13 ms 16212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB Output is correct
2 Correct 10 ms 14352 KB Output is correct
3 Correct 7 ms 14420 KB Output is correct
4 Correct 7 ms 14444 KB Output is correct
5 Correct 13 ms 16116 KB Output is correct
6 Correct 14 ms 16160 KB Output is correct
7 Correct 14 ms 16152 KB Output is correct
8 Correct 15 ms 16128 KB Output is correct
9 Correct 13 ms 16236 KB Output is correct
10 Correct 13 ms 16212 KB Output is correct
11 Correct 14 ms 16104 KB Output is correct
12 Correct 14 ms 16168 KB Output is correct
13 Correct 15 ms 16132 KB Output is correct
14 Correct 14 ms 16252 KB Output is correct
15 Correct 14 ms 16356 KB Output is correct
16 Correct 17 ms 16100 KB Output is correct
17 Correct 14 ms 16136 KB Output is correct
18 Correct 14 ms 16352 KB Output is correct
19 Correct 13 ms 16212 KB Output is correct
20 Correct 1462 ms 23532 KB Output is correct
21 Correct 1445 ms 23580 KB Output is correct
22 Correct 1502 ms 23512 KB Output is correct
23 Correct 1398 ms 25836 KB Output is correct
24 Correct 869 ms 188808 KB Output is correct
25 Correct 856 ms 188780 KB Output is correct
26 Correct 874 ms 189448 KB Output is correct
27 Correct 571 ms 190476 KB Output is correct
28 Correct 630 ms 190524 KB Output is correct
29 Correct 554 ms 191096 KB Output is correct
30 Correct 608 ms 189768 KB Output is correct
31 Correct 698 ms 189832 KB Output is correct
32 Correct 608 ms 190400 KB Output is correct
33 Correct 738 ms 189940 KB Output is correct
34 Correct 718 ms 190276 KB Output is correct
35 Correct 661 ms 189860 KB Output is correct
36 Correct 634 ms 189916 KB Output is correct
37 Correct 791 ms 190228 KB Output is correct
38 Correct 632 ms 190536 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB Output is correct
2 Correct 10 ms 14352 KB Output is correct
3 Correct 7 ms 14420 KB Output is correct
4 Correct 7 ms 14444 KB Output is correct
5 Correct 13 ms 16116 KB Output is correct
6 Correct 14 ms 16160 KB Output is correct
7 Correct 14 ms 16152 KB Output is correct
8 Correct 15 ms 16128 KB Output is correct
9 Correct 13 ms 16236 KB Output is correct
10 Correct 13 ms 16212 KB Output is correct
11 Correct 14 ms 16104 KB Output is correct
12 Correct 14 ms 16168 KB Output is correct
13 Correct 15 ms 16132 KB Output is correct
14 Correct 14 ms 16252 KB Output is correct
15 Correct 14 ms 16356 KB Output is correct
16 Correct 17 ms 16100 KB Output is correct
17 Correct 14 ms 16136 KB Output is correct
18 Correct 14 ms 16352 KB Output is correct
19 Correct 13 ms 16212 KB Output is correct
20 Correct 1462 ms 23532 KB Output is correct
21 Correct 1445 ms 23580 KB Output is correct
22 Correct 1502 ms 23512 KB Output is correct
23 Correct 1398 ms 25836 KB Output is correct
24 Correct 869 ms 188808 KB Output is correct
25 Correct 856 ms 188780 KB Output is correct
26 Correct 874 ms 189448 KB Output is correct
27 Correct 571 ms 190476 KB Output is correct
28 Correct 630 ms 190524 KB Output is correct
29 Correct 554 ms 191096 KB Output is correct
30 Correct 608 ms 189768 KB Output is correct
31 Correct 698 ms 189832 KB Output is correct
32 Correct 608 ms 190400 KB Output is correct
33 Correct 738 ms 189940 KB Output is correct
34 Correct 718 ms 190276 KB Output is correct
35 Correct 661 ms 189860 KB Output is correct
36 Correct 634 ms 189916 KB Output is correct
37 Correct 791 ms 190228 KB Output is correct
38 Correct 632 ms 190536 KB Output is correct
39 Correct 885 ms 189604 KB Output is correct
40 Correct 836 ms 188600 KB Output is correct
41 Correct 835 ms 188524 KB Output is correct
42 Correct 833 ms 188568 KB Output is correct
43 Correct 847 ms 188736 KB Output is correct
44 Correct 1498 ms 24032 KB Output is correct
45 Correct 1486 ms 23684 KB Output is correct
46 Correct 1466 ms 23736 KB Output is correct
47 Correct 1464 ms 23552 KB Output is correct
48 Correct 1458 ms 23552 KB Output is correct
49 Correct 580 ms 191880 KB Output is correct
50 Correct 908 ms 190672 KB Output is correct
51 Correct 1439 ms 23876 KB Output is correct
52 Correct 1497 ms 23620 KB Output is correct
53 Correct 665 ms 191120 KB Output is correct
54 Correct 764 ms 190340 KB Output is correct
55 Correct 755 ms 190180 KB Output is correct
56 Correct 739 ms 190324 KB Output is correct
57 Correct 1477 ms 23820 KB Output is correct
58 Correct 1519 ms 24112 KB Output is correct
59 Correct 1590 ms 23872 KB Output is correct
60 Correct 1518 ms 24164 KB Output is correct
61 Correct 617 ms 190632 KB Output is correct
62 Correct 729 ms 190156 KB Output is correct
63 Correct 781 ms 190264 KB Output is correct
64 Correct 724 ms 190760 KB Output is correct
65 Correct 800 ms 190212 KB Output is correct
66 Correct 752 ms 190216 KB Output is correct
67 Correct 865 ms 190696 KB Output is correct
68 Correct 876 ms 190164 KB Output is correct
69 Correct 737 ms 190132 KB Output is correct
70 Correct 582 ms 191108 KB Output is correct
71 Correct 637 ms 190704 KB Output is correct
72 Correct 740 ms 190372 KB Output is correct
73 Correct 563 ms 190800 KB Output is correct
74 Correct 653 ms 190376 KB Output is correct
75 Correct 736 ms 190272 KB Output is correct
76 Correct 596 ms 191536 KB Output is correct
77 Correct 546 ms 190172 KB Output is correct
78 Correct 574 ms 190592 KB Output is correct
79 Correct 1467 ms 23960 KB Output is correct
80 Correct 1441 ms 23712 KB Output is correct
81 Correct 1457 ms 23548 KB Output is correct
82 Correct 621 ms 190824 KB Output is correct
83 Correct 754 ms 190628 KB Output is correct
84 Correct 585 ms 189604 KB Output is correct
85 Correct 709 ms 189388 KB Output is correct
86 Correct 584 ms 189848 KB Output is correct
87 Correct 708 ms 189852 KB Output is correct
88 Correct 1479 ms 24060 KB Output is correct
89 Correct 1450 ms 24080 KB Output is correct
90 Correct 1469 ms 23852 KB Output is correct
91 Correct 1436 ms 23788 KB Output is correct
92 Correct 1458 ms 23600 KB Output is correct
93 Correct 1432 ms 23628 KB Output is correct
94 Correct 693 ms 190876 KB Output is correct
95 Correct 745 ms 190880 KB Output is correct
96 Correct 650 ms 189676 KB Output is correct
97 Correct 731 ms 190260 KB Output is correct
98 Correct 657 ms 189972 KB Output is correct
99 Correct 702 ms 190460 KB Output is correct
100 Correct 1420 ms 24676 KB Output is correct
101 Correct 1371 ms 25992 KB Output is correct
102 Correct 1417 ms 24720 KB Output is correct
103 Correct 1367 ms 25956 KB Output is correct
104 Correct 1371 ms 24512 KB Output is correct
105 Correct 1356 ms 25776 KB Output is correct
106 Correct 656 ms 190880 KB Output is correct
107 Correct 766 ms 190944 KB Output is correct
108 Correct 630 ms 189628 KB Output is correct
109 Correct 707 ms 190156 KB Output is correct
110 Correct 670 ms 190024 KB Output is correct
111 Correct 731 ms 190284 KB Output is correct
112 Correct 1474 ms 24004 KB Output is correct
113 Correct 1455 ms 24280 KB Output is correct
114 Correct 1468 ms 23728 KB Output is correct
115 Correct 1466 ms 24200 KB Output is correct
116 Correct 1454 ms 23524 KB Output is correct
117 Correct 1434 ms 24348 KB Output is correct
118 Correct 563 ms 190660 KB Output is correct
119 Correct 633 ms 190132 KB Output is correct
120 Correct 716 ms 190256 KB Output is correct
121 Correct 545 ms 189892 KB Output is correct
122 Correct 642 ms 190076 KB Output is correct
123 Correct 737 ms 190232 KB Output is correct
124 Correct 554 ms 190548 KB Output is correct
125 Correct 626 ms 189332 KB Output is correct
126 Correct 746 ms 190244 KB Output is correct