oj.uz

답안 #854985

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
854985 2023-09-29T15:15:44 Z vjudge1 Bitaro’s Party (JOI18_bitaro) C++11
100 / 100
 888 ms 145676 KB 
#include<bits/stdc++.h>
using namespace std;
 
const int root = 100;
 
int n , m , q , r;
vector<int> g[100000];
vector<pair<int , int>> lps[100000];
int dels[100000];
int dis[100000];
int ddd[100000][2];
 
void init(){
	for(int i = 0 ; i < n ; i++){
		vector<int> exs;
		lps[i].push_back({0 , i});
		exs.push_back(i);
		ddd[i][0] = 0;
		ddd[i][1] = i + 1;
		
		for(int v : g[i]){
			for(pair<int , int> el : lps[v]){
				if(ddd[el.second][1] != i + 1){
					exs.push_back(el.second);
					ddd[el.second][1] = i + 1;
					ddd[el.second][0] = el.first + 1;
				}else ddd[el.second][0] = max(ddd[el.second][0] , el.first + 1);
			}
		}
		for(int el : exs){
			lps[i].push_back({ddd[el][0] , el});
		}
		sort(lps[i].begin() , lps[i].end() , greater<pair<int , int>>());
		
		int len = (int)lps[i].size();
		while(len > root){
			lps[i].pop_back();
			len--;
		}
	}
}
void bfs(int op){
	fill(&dis[0] , &dis[100000] , 0);
	for(int i = 0 ; i <= r ; i++){
		for(int u : g[i]){
			dis[i] = max(dis[u] + 1 , dis[i]);
		}
		if(dis[i] == 0 and dels[i] == op){
			dis[i] = -1;
		}
	}
}
 
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	
	cin >> n >> m >> q;
	for(int i = 0 ; i < m ; i++){
		int v , u;
		cin >> v >> u;
		v-- , u--;
		g[u].push_back(v);
	}
	
	if(q > 1) init();
	for(int i = 0 ; i < q ; i++){
		int y;
		cin >> r >> y;
		r--;
		
		for(int j = 0 ; j < y ; j++){
			int d;
			cin >> d;
			d--;
			dels[d] = i + 1;
		}
		if(y >= root or q == 1){
			bfs(i + 1);
			cout << dis[r] << "\n";
		}else{
			int res = -1;
			for(int j = 0 ; j < (int)lps[r].size() ; j++){
				if(dels[lps[r][j].second] != i + 1){
					res = lps[r][j].first;
					break;
				}
			}
			cout << res << "\n";
		}
	}
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6492 KB Output is correct
18 Correct 3 ms 6492 KB Output is correct
19 Correct 2 ms 6492 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6492 KB Output is correct
18 Correct 3 ms 6492 KB Output is correct
19 Correct 2 ms 6492 KB Output is correct
20 Correct 28 ms 7576 KB Output is correct
21 Correct 22 ms 7772 KB Output is correct
22 Correct 22 ms 7776 KB Output is correct
23 Correct 23 ms 7772 KB Output is correct
24 Correct 47 ms 9300 KB Output is correct
25 Correct 38 ms 9296 KB Output is correct
26 Correct 42 ms 9296 KB Output is correct
27 Correct 43 ms 9560 KB Output is correct
28 Correct 34 ms 9560 KB Output is correct
29 Correct 42 ms 9704 KB Output is correct
30 Correct 38 ms 9564 KB Output is correct
31 Correct 35 ms 9692 KB Output is correct
32 Correct 45 ms 9672 KB Output is correct
33 Correct 42 ms 9128 KB Output is correct
34 Correct 37 ms 9040 KB Output is correct
35 Correct 36 ms 9172 KB Output is correct
36 Correct 42 ms 9568 KB Output is correct
37 Correct 35 ms 9296 KB Output is correct
38 Correct 38 ms 9348 KB Output is correct

Subtask #3
86.0 / 86.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6492 KB Output is correct
18 Correct 3 ms 6492 KB Output is correct
19 Correct 2 ms 6492 KB Output is correct
20 Correct 28 ms 7576 KB Output is correct
21 Correct 22 ms 7772 KB Output is correct
22 Correct 22 ms 7776 KB Output is correct
23 Correct 23 ms 7772 KB Output is correct
24 Correct 47 ms 9300 KB Output is correct
25 Correct 38 ms 9296 KB Output is correct
26 Correct 42 ms 9296 KB Output is correct
27 Correct 43 ms 9560 KB Output is correct
28 Correct 34 ms 9560 KB Output is correct
29 Correct 42 ms 9704 KB Output is correct
30 Correct 38 ms 9564 KB Output is correct
31 Correct 35 ms 9692 KB Output is correct
32 Correct 45 ms 9672 KB Output is correct
33 Correct 42 ms 9128 KB Output is correct
34 Correct 37 ms 9040 KB Output is correct
35 Correct 36 ms 9172 KB Output is correct
36 Correct 42 ms 9568 KB Output is correct
37 Correct 35 ms 9296 KB Output is correct
38 Correct 38 ms 9348 KB Output is correct
39 Correct 636 ms 117200 KB Output is correct
40 Correct 603 ms 113052 KB Output is correct
41 Correct 829 ms 114344 KB Output is correct
42 Correct 651 ms 113232 KB Output is correct
43 Correct 629 ms 115060 KB Output is correct
44 Correct 72 ms 9036 KB Output is correct
45 Correct 58 ms 8876 KB Output is correct
46 Correct 113 ms 8688 KB Output is correct
47 Correct 67 ms 8860 KB Output is correct
48 Correct 54 ms 8484 KB Output is correct
49 Correct 498 ms 112264 KB Output is correct
50 Correct 683 ms 111644 KB Output is correct
51 Correct 69 ms 9080 KB Output is correct
52 Correct 109 ms 8664 KB Output is correct
53 Correct 463 ms 92640 KB Output is correct
54 Correct 619 ms 114864 KB Output is correct
55 Correct 675 ms 92444 KB Output is correct
56 Correct 845 ms 117924 KB Output is correct
57 Correct 71 ms 9108 KB Output is correct
58 Correct 69 ms 8920 KB Output is correct
59 Correct 112 ms 8532 KB Output is correct
60 Correct 105 ms 8528 KB Output is correct
61 Correct 498 ms 111644 KB Output is correct
62 Correct 462 ms 92500 KB Output is correct
63 Correct 644 ms 113480 KB Output is correct
64 Correct 564 ms 111740 KB Output is correct
65 Correct 566 ms 92300 KB Output is correct
66 Correct 726 ms 115684 KB Output is correct
67 Correct 696 ms 111640 KB Output is correct
68 Correct 690 ms 92416 KB Output is correct
69 Correct 806 ms 115280 KB Output is correct
70 Correct 519 ms 111552 KB Output is correct
71 Correct 418 ms 92384 KB Output is correct
72 Correct 592 ms 114832 KB Output is correct
73 Correct 470 ms 111856 KB Output is correct
74 Correct 427 ms 92388 KB Output is correct
75 Correct 649 ms 117200 KB Output is correct
76 Correct 545 ms 112228 KB Output is correct
77 Correct 644 ms 111444 KB Output is correct
78 Correct 470 ms 111524 KB Output is correct
79 Correct 70 ms 9040 KB Output is correct
80 Correct 106 ms 8592 KB Output is correct
81 Correct 60 ms 8868 KB Output is correct
82 Correct 506 ms 112340 KB Output is correct
83 Correct 687 ms 134864 KB Output is correct
84 Correct 678 ms 111460 KB Output is correct
85 Correct 888 ms 145676 KB Output is correct
86 Correct 508 ms 111840 KB Output is correct
87 Correct 650 ms 134132 KB Output is correct
88 Correct 69 ms 9040 KB Output is correct
89 Correct 69 ms 9040 KB Output is correct
90 Correct 119 ms 8652 KB Output is correct
91 Correct 106 ms 8532 KB Output is correct
92 Correct 59 ms 8664 KB Output is correct
93 Correct 51 ms 8672 KB Output is correct
94 Correct 383 ms 76528 KB Output is correct
95 Correct 683 ms 111880 KB Output is correct
96 Correct 569 ms 75864 KB Output is correct
97 Correct 843 ms 112712 KB Output is correct
98 Correct 365 ms 76044 KB Output is correct
99 Correct 586 ms 108400 KB Output is correct
100 Correct 71 ms 9040 KB Output is correct
101 Correct 73 ms 8820 KB Output is correct
102 Correct 91 ms 8528 KB Output is correct
103 Correct 90 ms 8528 KB Output is correct
104 Correct 52 ms 8532 KB Output is correct
105 Correct 52 ms 8532 KB Output is correct
106 Correct 445 ms 92576 KB Output is correct
107 Correct 632 ms 120024 KB Output is correct
108 Correct 631 ms 92672 KB Output is correct
109 Correct 777 ms 111140 KB Output is correct
110 Correct 435 ms 92768 KB Output is correct
111 Correct 592 ms 116792 KB Output is correct
112 Correct 69 ms 9008 KB Output is correct
113 Correct 70 ms 9044 KB Output is correct
114 Correct 104 ms 8484 KB Output is correct
115 Correct 125 ms 8664 KB Output is correct
116 Correct 50 ms 8532 KB Output is correct
117 Correct 52 ms 8532 KB Output is correct
118 Correct 481 ms 111564 KB Output is correct
119 Correct 465 ms 92496 KB Output is correct
120 Correct 653 ms 121108 KB Output is correct
121 Correct 456 ms 111452 KB Output is correct
122 Correct 415 ms 92344 KB Output is correct
123 Correct 605 ms 120084 KB Output is correct
124 Correct 452 ms 111700 KB Output is correct
125 Correct 417 ms 92628 KB Output is correct
126 Correct 613 ms 116968 KB Output is correct