oj.uz

답안 #354507

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
354507 2021-01-22T02:40:09 Z juggernaut Split the Attractions (IOI19_split) C++14
100 / 100
 199 ms 25852 KB 
/*Finally just for understanding the main idea*/
#include "split.h"
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;
#define endl '\n'
#define pi pair<int, int>
#define f first
#define s second
#define vi vector<int>
 
const int maxn = 100000;
int n, m;
pi a[3];
int l[maxn], h[maxn], sz[maxn], p[maxn];
vi graph[maxn], g[maxn];
vi ans;
int r, s, t;
 
void dfs(int c){
	sz[c] = 1;
	l[c] = h[c] = ++t;
	int amt = 0;
	for(int i : graph[c]){
		if(i == p[c]) continue;
		if(!l[i]){
			p[i] = c;
			dfs(i);
			sz[c] += sz[i];
			h[c] = min(h[c], h[i]);
			g[c].push_back(i);
			amt++;
		}else{
			h[c] = min(h[c], l[i]);
		}
	}
}
 
void dfs1(int c){
	s--;
	ans[c] = r;
	for(int i : g[c]) if(s) dfs1(i);
}
 
void dfs2(int c){
	s--;
	ans[c] = r;
	for(int i : graph[c]) if(s && ans[i] == a[2].s) dfs2(i);
}
 
vi find_split(int N, int A, int B, int C, vi P, vi Q){
	n = N, m = P.size();
	a[0] = {A, 1}, a[1] = {B, 2}, a[2] = {C, 3};
	sort(a, a + 3);
	
	for(int i = 0; i < m; i++){
		graph[P[i]].push_back(Q[i]);
		graph[Q[i]].push_back(P[i]);
	}
	
	p[0] = -1;
	dfs(0);
	
	int x = 0;
	for(bool f = 1; f;){
		f = 0;
		for(int i : g[x]){
			if(sz[i] >= a[0].f){
				f = 1;
				x = i;
				break;
			}
		}
	}
	
	ans = vector<int>(n, a[2].s);
	if(sz[x] + a[1].f <= n){
		s = a[0].f, r = a[0].s;
		dfs1(x);
		s = a[1].f, r = a[1].s;
		dfs2(p[x]);
	}else{
		s = a[1].f - 1, r = a[1].s;
		ans[x] = r;
		for(int i : g[x]){
			if(!s || h[i] < l[x]) continue;
			dfs1(i);
		}
		for(int i : g[x]){
			if(!s || h[i] >= l[x]) continue;
			dfs1(i);
		}
		s = a[0].f, r = a[0].s;
		if(p[x] != -1) dfs2(p[x]);
		if(s) ans = vector<int>(n, 0);
	}
	
	return ans;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 4972 KB ok, correct split
2 Correct 4 ms 4972 KB ok, correct split
3 Correct 4 ms 4972 KB ok, correct split
4 Correct 4 ms 4972 KB ok, correct split
5 Correct 4 ms 5100 KB ok, correct split
6 Correct 4 ms 5100 KB ok, correct split
7 Correct 127 ms 25324 KB ok, correct split
8 Correct 121 ms 22600 KB ok, correct split
9 Correct 142 ms 21752 KB ok, correct split
10 Correct 128 ms 25708 KB ok, correct split
11 Correct 148 ms 25852 KB ok, correct split

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4972 KB ok, correct split
2 Correct 4 ms 4972 KB ok, correct split
3 Correct 4 ms 4972 KB ok, correct split
4 Correct 139 ms 21356 KB ok, correct split
5 Correct 101 ms 14956 KB ok, correct split
6 Correct 134 ms 25708 KB ok, correct split
7 Correct 128 ms 22508 KB ok, correct split
8 Correct 153 ms 18600 KB ok, correct split
9 Correct 122 ms 16528 KB ok, correct split
10 Correct 73 ms 13800 KB ok, correct split
11 Correct 61 ms 13800 KB ok, correct split
12 Correct 62 ms 14184 KB ok, correct split

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4972 KB ok, correct split
2 Correct 103 ms 15084 KB ok, correct split
3 Correct 33 ms 9068 KB ok, correct split
4 Correct 4 ms 5100 KB ok, correct split
5 Correct 119 ms 19436 KB ok, correct split
6 Correct 128 ms 19180 KB ok, correct split
7 Correct 122 ms 19044 KB ok, correct split
8 Correct 147 ms 20520 KB ok, correct split
9 Correct 119 ms 18796 KB ok, correct split
10 Correct 27 ms 8300 KB ok, no valid answer
11 Correct 42 ms 10024 KB ok, no valid answer
12 Correct 76 ms 14440 KB ok, no valid answer
13 Correct 101 ms 14828 KB ok, no valid answer
14 Correct 62 ms 14204 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4972 KB ok, correct split
2 Correct 4 ms 4972 KB ok, no valid answer
3 Correct 4 ms 4972 KB ok, correct split
4 Correct 4 ms 4972 KB ok, correct split
5 Correct 4 ms 4972 KB ok, correct split
6 Correct 4 ms 4972 KB ok, correct split
7 Correct 4 ms 4972 KB ok, correct split
8 Correct 4 ms 4972 KB ok, correct split
9 Correct 7 ms 5484 KB ok, correct split
10 Correct 6 ms 5356 KB ok, correct split
11 Correct 4 ms 5100 KB ok, correct split
12 Correct 6 ms 5356 KB ok, correct split
13 Correct 4 ms 4972 KB ok, correct split
14 Correct 4 ms 4972 KB ok, correct split
15 Correct 4 ms 5100 KB ok, correct split
16 Correct 4 ms 5100 KB ok, correct split
17 Correct 4 ms 4972 KB ok, correct split
18 Correct 4 ms 5100 KB ok, correct split
19 Correct 4 ms 5100 KB ok, correct split
20 Correct 5 ms 5228 KB ok, correct split
21 Correct 5 ms 5356 KB ok, correct split
22 Correct 5 ms 5356 KB ok, correct split
23 Correct 6 ms 5484 KB ok, correct split
24 Correct 5 ms 5356 KB ok, correct split
25 Correct 6 ms 5356 KB ok, correct split
26 Correct 5 ms 5356 KB ok, correct split
27 Correct 6 ms 5356 KB ok, correct split
28 Correct 6 ms 5356 KB ok, correct split
29 Correct 4 ms 5100 KB ok, correct split
30 Correct 6 ms 5356 KB ok, correct split
31 Correct 4 ms 5100 KB ok, correct split
32 Correct 6 ms 5100 KB ok, correct split
33 Correct 4 ms 5100 KB ok, correct split
34 Correct 5 ms 5356 KB ok, correct split
35 Correct 5 ms 5356 KB ok, correct split
36 Correct 5 ms 5228 KB ok, correct split
37 Correct 6 ms 5356 KB ok, correct split
38 Correct 6 ms 5484 KB ok, correct split
39 Correct 6 ms 5356 KB ok, correct split
40 Correct 6 ms 5356 KB ok, correct split
41 Correct 5 ms 5228 KB ok, correct split
42 Correct 5 ms 5228 KB ok, correct split
43 Correct 6 ms 5356 KB ok, correct split
44 Correct 6 ms 5356 KB ok, correct split
45 Correct 6 ms 5356 KB ok, correct split
46 Correct 6 ms 5484 KB ok, correct split
47 Correct 5 ms 5356 KB ok, no valid answer
48 Correct 5 ms 5356 KB ok, correct split
49 Correct 5 ms 5484 KB ok, correct split
50 Correct 4 ms 4972 KB ok, no valid answer
51 Correct 4 ms 5100 KB ok, no valid answer
52 Correct 5 ms 5356 KB ok, no valid answer
53 Correct 7 ms 5356 KB ok, no valid answer
54 Correct 5 ms 5228 KB ok, no valid answer
55 Correct 6 ms 5356 KB ok, no valid answer
56 Correct 5 ms 5356 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 4972 KB ok, correct split
2 Correct 4 ms 4972 KB ok, correct split
3 Correct 4 ms 4972 KB ok, correct split
4 Correct 4 ms 4972 KB ok, correct split
5 Correct 4 ms 5100 KB ok, correct split
6 Correct 4 ms 5100 KB ok, correct split
7 Correct 127 ms 25324 KB ok, correct split
8 Correct 121 ms 22600 KB ok, correct split
9 Correct 142 ms 21752 KB ok, correct split
10 Correct 128 ms 25708 KB ok, correct split
11 Correct 148 ms 25852 KB ok, correct split
12 Correct 4 ms 4972 KB ok, correct split
13 Correct 4 ms 4972 KB ok, correct split
14 Correct 4 ms 4972 KB ok, correct split
15 Correct 139 ms 21356 KB ok, correct split
16 Correct 101 ms 14956 KB ok, correct split
17 Correct 134 ms 25708 KB ok, correct split
18 Correct 128 ms 22508 KB ok, correct split
19 Correct 153 ms 18600 KB ok, correct split
20 Correct 122 ms 16528 KB ok, correct split
21 Correct 73 ms 13800 KB ok, correct split
22 Correct 61 ms 13800 KB ok, correct split
23 Correct 62 ms 14184 KB ok, correct split
24 Correct 4 ms 4972 KB ok, correct split
25 Correct 103 ms 15084 KB ok, correct split
26 Correct 33 ms 9068 KB ok, correct split
27 Correct 4 ms 5100 KB ok, correct split
28 Correct 119 ms 19436 KB ok, correct split
29 Correct 128 ms 19180 KB ok, correct split
30 Correct 122 ms 19044 KB ok, correct split
31 Correct 147 ms 20520 KB ok, correct split
32 Correct 119 ms 18796 KB ok, correct split
33 Correct 27 ms 8300 KB ok, no valid answer
34 Correct 42 ms 10024 KB ok, no valid answer
35 Correct 76 ms 14440 KB ok, no valid answer
36 Correct 101 ms 14828 KB ok, no valid answer
37 Correct 62 ms 14204 KB ok, no valid answer
38 Correct 4 ms 4972 KB ok, correct split
39 Correct 4 ms 4972 KB ok, no valid answer
40 Correct 4 ms 4972 KB ok, correct split
41 Correct 4 ms 4972 KB ok, correct split
42 Correct 4 ms 4972 KB ok, correct split
43 Correct 4 ms 4972 KB ok, correct split
44 Correct 4 ms 4972 KB ok, correct split
45 Correct 4 ms 4972 KB ok, correct split
46 Correct 7 ms 5484 KB ok, correct split
47 Correct 6 ms 5356 KB ok, correct split
48 Correct 4 ms 5100 KB ok, correct split
49 Correct 6 ms 5356 KB ok, correct split
50 Correct 4 ms 4972 KB ok, correct split
51 Correct 4 ms 4972 KB ok, correct split
52 Correct 4 ms 5100 KB ok, correct split
53 Correct 4 ms 5100 KB ok, correct split
54 Correct 4 ms 4972 KB ok, correct split
55 Correct 4 ms 5100 KB ok, correct split
56 Correct 4 ms 5100 KB ok, correct split
57 Correct 5 ms 5228 KB ok, correct split
58 Correct 5 ms 5356 KB ok, correct split
59 Correct 5 ms 5356 KB ok, correct split
60 Correct 6 ms 5484 KB ok, correct split
61 Correct 5 ms 5356 KB ok, correct split
62 Correct 6 ms 5356 KB ok, correct split
63 Correct 5 ms 5356 KB ok, correct split
64 Correct 6 ms 5356 KB ok, correct split
65 Correct 6 ms 5356 KB ok, correct split
66 Correct 4 ms 5100 KB ok, correct split
67 Correct 6 ms 5356 KB ok, correct split
68 Correct 4 ms 5100 KB ok, correct split
69 Correct 6 ms 5100 KB ok, correct split
70 Correct 4 ms 5100 KB ok, correct split
71 Correct 5 ms 5356 KB ok, correct split
72 Correct 5 ms 5356 KB ok, correct split
73 Correct 5 ms 5228 KB ok, correct split
74 Correct 6 ms 5356 KB ok, correct split
75 Correct 6 ms 5484 KB ok, correct split
76 Correct 6 ms 5356 KB ok, correct split
77 Correct 6 ms 5356 KB ok, correct split
78 Correct 5 ms 5228 KB ok, correct split
79 Correct 5 ms 5228 KB ok, correct split
80 Correct 6 ms 5356 KB ok, correct split
81 Correct 6 ms 5356 KB ok, correct split
82 Correct 6 ms 5356 KB ok, correct split
83 Correct 6 ms 5484 KB ok, correct split
84 Correct 5 ms 5356 KB ok, no valid answer
85 Correct 5 ms 5356 KB ok, correct split
86 Correct 5 ms 5484 KB ok, correct split
87 Correct 4 ms 4972 KB ok, no valid answer
88 Correct 4 ms 5100 KB ok, no valid answer
89 Correct 5 ms 5356 KB ok, no valid answer
90 Correct 7 ms 5356 KB ok, no valid answer
91 Correct 5 ms 5228 KB ok, no valid answer
92 Correct 6 ms 5356 KB ok, no valid answer
93 Correct 5 ms 5356 KB ok, no valid answer
94 Correct 126 ms 18540 KB ok, correct split
95 Correct 199 ms 24896 KB ok, correct split
96 Correct 157 ms 22764 KB ok, correct split
97 Correct 33 ms 9068 KB ok, correct split
98 Correct 35 ms 9196 KB ok, correct split
99 Correct 56 ms 11884 KB ok, correct split
100 Correct 162 ms 19456 KB ok, correct split
101 Correct 150 ms 18156 KB ok, correct split
102 Correct 128 ms 17380 KB ok, correct split
103 Correct 120 ms 17124 KB ok, correct split
104 Correct 112 ms 17368 KB ok, correct split
105 Correct 58 ms 11244 KB ok, correct split
106 Correct 119 ms 17292 KB ok, correct split
107 Correct 101 ms 14956 KB ok, correct split
108 Correct 103 ms 14956 KB ok, correct split
109 Correct 154 ms 18668 KB ok, correct split
110 Correct 160 ms 19684 KB ok, correct split
111 Correct 152 ms 19556 KB ok, correct split
112 Correct 145 ms 18148 KB ok, correct split
113 Correct 141 ms 18276 KB ok, correct split
114 Correct 15 ms 6892 KB ok, correct split
115 Correct 17 ms 6508 KB ok, correct split
116 Correct 144 ms 19428 KB ok, correct split
117 Correct 165 ms 19428 KB ok, correct split
118 Correct 115 ms 16492 KB ok, correct split
119 Correct 110 ms 16620 KB ok, correct split
120 Correct 119 ms 21368 KB ok, correct split
121 Correct 117 ms 15084 KB ok, no valid answer
122 Correct 94 ms 14956 KB ok, no valid answer
123 Correct 170 ms 19564 KB ok, no valid answer
124 Correct 152 ms 19308 KB ok, no valid answer
125 Correct 94 ms 15972 KB ok, no valid answer
126 Correct 55 ms 13320 KB ok, no valid answer
127 Correct 130 ms 16740 KB ok, no valid answer