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Submission #536676

# Submission time Handle Problem Language Result Execution time Memory
536676 2022-03-13T19:14:31 Z zggf Split the Attractions (IOI19_split) C++14
100 / 100
 165 ms 26412 KB 
#include "split.h"
#include <bits/stdc++.h>

using namespace std;

vector<vector<int>> graf;
vector<vector<int>> tree;
vector<int> sz;
vector<int> odw;

void dfs(int x){
	odw[x] = true;
	sz[x] = 1;
	for(auto it:graf[x]){
		if(!odw[it]){
			tree[x].push_back(it);
			tree[it].push_back(x);
			dfs(it);
			sz[x]+=sz[it];
		}
	}
}

int centroid(int x){
	odw[x] = true;
	for(auto it:tree[x]){
		if(odw[it]) continue;
		if(sz[x]-sz[it]<sz[it]){
			int tmp = sz[it];
			sz[it] = sz[x];
			sz[x] = sz[x]-tmp;	
			return centroid(it);
		}
	}
	return x;
}

vector<int> kolor;
int curKolor=1;

void dfs2(int x){
	kolor[x] = curKolor;	
	for(auto it:tree[x]){
		if(kolor[it]==0){
			dfs2(it);
		}
	}
}

vector<vector<int>> graf2;
vector<int> waga;

void dfs3(int x){
	odw[x] = true;
	for(auto it:graf[x]){
		if(!odw[it]){
			if(kolor[it]==kolor[x]){
				dfs3(it);
			}else{
				if(kolor[it]!=-1){
					graf2[kolor[it]].push_back(kolor[x]);
					graf2[kolor[x]].push_back(kolor[it]);
				}
			}
		}
	}
}

vector<bool> odw2;
int A;
int suma = 0;

void dfs4(int x){
	odw2[x] = true;
	suma+=waga[x];
	if(suma>=A) return;
	for(auto it:graf2[x]){
		if(!odw2[it]){
			dfs4(it);
			if(suma>=A) return;
		}
	}
}
bool curOdw = true;
int suma2 = 0;
int curSuma = 0;
vector<int> wynik;

void dfs5(int x){
	//cout<<x<<'\n';
	odw[x] = true;
	wynik[x] = 2-curOdw;
	suma2++;
	if(suma2>=curSuma) return;
	for(auto it:graf[x]){
		if(!odw[it]){
			if(curOdw){
				if(kolor[it]==-1) continue;
				if(odw2[kolor[it]]==curOdw){
					dfs5(it);
					if(suma2>=curSuma) return;
				}
			}else{
				dfs5(it);
				if(suma2>=curSuma) return;
			}
		}
	}
}

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {

	A = min(min(c, b), a);
	graf.resize(n);
	odw.resize(n);
	sz.resize(n);
	tree.resize(n);
	for(int i = 0; i < (int)p.size(); i++){
		graf[p[i]].push_back(q[i]);
		graf[q[i]].push_back(p[i]);
	}
	dfs(0);
	odw.resize(0);
	odw.resize(n);
	int cent = centroid(0);
	kolor.resize(n);
	kolor[cent] = -1;
	waga.resize(n+5);
	graf2.resize(n+5);
	for(auto it:tree[cent]){
		waga[curKolor] = sz[it];
		dfs2(it);
		curKolor++;
	}
	odw.resize(0);
	odw.resize(n);
	for(auto it:tree[cent]){
		dfs3(it);
	}
	for(auto it:tree[cent]){
		odw2.resize(n+5);
		dfs4(kolor[it]);
		if(suma>=A) break;
		odw2.resize(0);
		suma=0;
	}
	wynik.resize(n, 0);
	if(suma==0){
		return wynik;		
	}
	curOdw = true;
	curSuma = A;
	suma2=0;
	odw.resize(0);
	odw.resize(n);
	for(auto it:tree[cent]){
		if(odw2[kolor[it]]==curOdw){
			dfs5(it);
			break;
		}
	}
	curOdw = false;
	curSuma = a+b+c-A-max(a, max(b, c));
	//cout<<curSuma<<'\n';
	suma2=0;
	dfs5(cent);
	vector<pair<int, int>> conv;
	conv.push_back({a, 1});
	conv.push_back({b, 2});
	conv.push_back({c, 3});
	sort(conv.begin(), conv.end());

	for(int i = 0; i < (int)wynik.size(); i++){
		if(wynik[i]==0) wynik[i] = conv[2].second;
		else if(wynik[i]==1) wynik[i] = conv[0].second;
		else if(wynik[i]==2) wynik[i] = conv[1].second;
	}
	
	return wynik;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ok, correct split
2 Correct 0 ms 212 KB ok, correct split
3 Correct 0 ms 212 KB ok, correct split
4 Correct 0 ms 212 KB ok, correct split
5 Correct 0 ms 212 KB ok, correct split
6 Correct 0 ms 212 KB ok, correct split
7 Correct 122 ms 23508 KB ok, correct split
8 Correct 125 ms 21584 KB ok, correct split
9 Correct 111 ms 21068 KB ok, correct split
10 Correct 107 ms 23780 KB ok, correct split
11 Correct 160 ms 23772 KB ok, correct split

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ok, correct split
2 Correct 1 ms 212 KB ok, correct split
3 Correct 0 ms 212 KB ok, correct split
4 Correct 124 ms 21812 KB ok, correct split
5 Correct 107 ms 18792 KB ok, correct split
6 Correct 125 ms 24864 KB ok, correct split
7 Correct 108 ms 22572 KB ok, correct split
8 Correct 164 ms 21768 KB ok, correct split
9 Correct 96 ms 18724 KB ok, correct split
10 Correct 62 ms 19012 KB ok, correct split
11 Correct 63 ms 19092 KB ok, correct split
12 Correct 74 ms 19368 KB ok, correct split

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ok, correct split
2 Correct 90 ms 17812 KB ok, correct split
3 Correct 30 ms 7244 KB ok, correct split
4 Correct 0 ms 212 KB ok, correct split
5 Correct 117 ms 19708 KB ok, correct split
6 Correct 124 ms 19388 KB ok, correct split
7 Correct 104 ms 19288 KB ok, correct split
8 Correct 106 ms 20284 KB ok, correct split
9 Correct 137 ms 19132 KB ok, correct split
10 Correct 21 ms 6120 KB ok, no valid answer
11 Correct 34 ms 9020 KB ok, no valid answer
12 Correct 94 ms 17980 KB ok, no valid answer
13 Correct 112 ms 17724 KB ok, no valid answer
14 Correct 112 ms 18232 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB ok, correct split
2 Correct 0 ms 212 KB ok, no valid answer
3 Correct 0 ms 212 KB ok, correct split
4 Correct 0 ms 212 KB ok, correct split
5 Correct 0 ms 212 KB ok, correct split
6 Correct 0 ms 212 KB ok, correct split
7 Correct 0 ms 212 KB ok, correct split
8 Correct 0 ms 212 KB ok, correct split
9 Correct 3 ms 820 KB ok, correct split
10 Correct 4 ms 724 KB ok, correct split
11 Correct 1 ms 340 KB ok, correct split
12 Correct 5 ms 760 KB ok, correct split
13 Correct 1 ms 296 KB ok, correct split
14 Correct 1 ms 212 KB ok, correct split
15 Correct 1 ms 296 KB ok, correct split
16 Correct 1 ms 212 KB ok, correct split
17 Correct 0 ms 212 KB ok, correct split
18 Correct 0 ms 296 KB ok, correct split
19 Correct 1 ms 340 KB ok, correct split
20 Correct 1 ms 436 KB ok, correct split
21 Correct 2 ms 724 KB ok, correct split
22 Correct 2 ms 696 KB ok, correct split
23 Correct 2 ms 724 KB ok, correct split
24 Correct 2 ms 692 KB ok, correct split
25 Correct 2 ms 724 KB ok, correct split
26 Correct 3 ms 852 KB ok, correct split
27 Correct 4 ms 852 KB ok, correct split
28 Correct 3 ms 824 KB ok, correct split
29 Correct 1 ms 340 KB ok, correct split
30 Correct 4 ms 824 KB ok, correct split
31 Correct 1 ms 340 KB ok, correct split
32 Correct 1 ms 340 KB ok, correct split
33 Correct 1 ms 340 KB ok, correct split
34 Correct 2 ms 724 KB ok, correct split
35 Correct 2 ms 744 KB ok, correct split
36 Correct 2 ms 724 KB ok, correct split
37 Correct 3 ms 852 KB ok, correct split
38 Correct 3 ms 824 KB ok, correct split
39 Correct 3 ms 852 KB ok, correct split
40 Correct 3 ms 724 KB ok, correct split
41 Correct 2 ms 468 KB ok, correct split
42 Correct 2 ms 568 KB ok, correct split
43 Correct 3 ms 852 KB ok, correct split
44 Correct 3 ms 828 KB ok, correct split
45 Correct 3 ms 852 KB ok, correct split
46 Correct 3 ms 724 KB ok, correct split
47 Correct 2 ms 724 KB ok, no valid answer
48 Correct 3 ms 724 KB ok, correct split
49 Correct 2 ms 724 KB ok, correct split
50 Correct 1 ms 212 KB ok, no valid answer
51 Correct 1 ms 212 KB ok, no valid answer
52 Correct 2 ms 724 KB ok, no valid answer
53 Correct 3 ms 724 KB ok, no valid answer
54 Correct 2 ms 692 KB ok, no valid answer
55 Correct 2 ms 724 KB ok, no valid answer
56 Correct 2 ms 724 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ok, correct split
2 Correct 0 ms 212 KB ok, correct split
3 Correct 0 ms 212 KB ok, correct split
4 Correct 0 ms 212 KB ok, correct split
5 Correct 0 ms 212 KB ok, correct split
6 Correct 0 ms 212 KB ok, correct split
7 Correct 122 ms 23508 KB ok, correct split
8 Correct 125 ms 21584 KB ok, correct split
9 Correct 111 ms 21068 KB ok, correct split
10 Correct 107 ms 23780 KB ok, correct split
11 Correct 160 ms 23772 KB ok, correct split
12 Correct 0 ms 212 KB ok, correct split
13 Correct 1 ms 212 KB ok, correct split
14 Correct 0 ms 212 KB ok, correct split
15 Correct 124 ms 21812 KB ok, correct split
16 Correct 107 ms 18792 KB ok, correct split
17 Correct 125 ms 24864 KB ok, correct split
18 Correct 108 ms 22572 KB ok, correct split
19 Correct 164 ms 21768 KB ok, correct split
20 Correct 96 ms 18724 KB ok, correct split
21 Correct 62 ms 19012 KB ok, correct split
22 Correct 63 ms 19092 KB ok, correct split
23 Correct 74 ms 19368 KB ok, correct split
24 Correct 0 ms 212 KB ok, correct split
25 Correct 90 ms 17812 KB ok, correct split
26 Correct 30 ms 7244 KB ok, correct split
27 Correct 0 ms 212 KB ok, correct split
28 Correct 117 ms 19708 KB ok, correct split
29 Correct 124 ms 19388 KB ok, correct split
30 Correct 104 ms 19288 KB ok, correct split
31 Correct 106 ms 20284 KB ok, correct split
32 Correct 137 ms 19132 KB ok, correct split
33 Correct 21 ms 6120 KB ok, no valid answer
34 Correct 34 ms 9020 KB ok, no valid answer
35 Correct 94 ms 17980 KB ok, no valid answer
36 Correct 112 ms 17724 KB ok, no valid answer
37 Correct 112 ms 18232 KB ok, no valid answer
38 Correct 1 ms 212 KB ok, correct split
39 Correct 0 ms 212 KB ok, no valid answer
40 Correct 0 ms 212 KB ok, correct split
41 Correct 0 ms 212 KB ok, correct split
42 Correct 0 ms 212 KB ok, correct split
43 Correct 0 ms 212 KB ok, correct split
44 Correct 0 ms 212 KB ok, correct split
45 Correct 0 ms 212 KB ok, correct split
46 Correct 3 ms 820 KB ok, correct split
47 Correct 4 ms 724 KB ok, correct split
48 Correct 1 ms 340 KB ok, correct split
49 Correct 5 ms 760 KB ok, correct split
50 Correct 1 ms 296 KB ok, correct split
51 Correct 1 ms 212 KB ok, correct split
52 Correct 1 ms 296 KB ok, correct split
53 Correct 1 ms 212 KB ok, correct split
54 Correct 0 ms 212 KB ok, correct split
55 Correct 0 ms 296 KB ok, correct split
56 Correct 1 ms 340 KB ok, correct split
57 Correct 1 ms 436 KB ok, correct split
58 Correct 2 ms 724 KB ok, correct split
59 Correct 2 ms 696 KB ok, correct split
60 Correct 2 ms 724 KB ok, correct split
61 Correct 2 ms 692 KB ok, correct split
62 Correct 2 ms 724 KB ok, correct split
63 Correct 3 ms 852 KB ok, correct split
64 Correct 4 ms 852 KB ok, correct split
65 Correct 3 ms 824 KB ok, correct split
66 Correct 1 ms 340 KB ok, correct split
67 Correct 4 ms 824 KB ok, correct split
68 Correct 1 ms 340 KB ok, correct split
69 Correct 1 ms 340 KB ok, correct split
70 Correct 1 ms 340 KB ok, correct split
71 Correct 2 ms 724 KB ok, correct split
72 Correct 2 ms 744 KB ok, correct split
73 Correct 2 ms 724 KB ok, correct split
74 Correct 3 ms 852 KB ok, correct split
75 Correct 3 ms 824 KB ok, correct split
76 Correct 3 ms 852 KB ok, correct split
77 Correct 3 ms 724 KB ok, correct split
78 Correct 2 ms 468 KB ok, correct split
79 Correct 2 ms 568 KB ok, correct split
80 Correct 3 ms 852 KB ok, correct split
81 Correct 3 ms 828 KB ok, correct split
82 Correct 3 ms 852 KB ok, correct split
83 Correct 3 ms 724 KB ok, correct split
84 Correct 2 ms 724 KB ok, no valid answer
85 Correct 3 ms 724 KB ok, correct split
86 Correct 2 ms 724 KB ok, correct split
87 Correct 1 ms 212 KB ok, no valid answer
88 Correct 1 ms 212 KB ok, no valid answer
89 Correct 2 ms 724 KB ok, no valid answer
90 Correct 3 ms 724 KB ok, no valid answer
91 Correct 2 ms 692 KB ok, no valid answer
92 Correct 2 ms 724 KB ok, no valid answer
93 Correct 2 ms 724 KB ok, no valid answer
94 Correct 108 ms 21376 KB ok, correct split
95 Correct 160 ms 26412 KB ok, correct split
96 Correct 133 ms 24772 KB ok, correct split
97 Correct 29 ms 7644 KB ok, correct split
98 Correct 30 ms 7808 KB ok, correct split
99 Correct 65 ms 9040 KB ok, correct split
100 Correct 147 ms 22332 KB ok, correct split
101 Correct 123 ms 21208 KB ok, correct split
102 Correct 123 ms 20932 KB ok, correct split
103 Correct 99 ms 20852 KB ok, correct split
104 Correct 111 ms 22564 KB ok, correct split
105 Correct 57 ms 11856 KB ok, correct split
106 Correct 119 ms 26148 KB ok, correct split
107 Correct 92 ms 18892 KB ok, correct split
108 Correct 103 ms 18984 KB ok, correct split
109 Correct 151 ms 21708 KB ok, correct split
110 Correct 159 ms 22952 KB ok, correct split
111 Correct 157 ms 22968 KB ok, correct split
112 Correct 135 ms 23264 KB ok, correct split
113 Correct 129 ms 23168 KB ok, correct split
114 Correct 12 ms 2744 KB ok, correct split
115 Correct 13 ms 2644 KB ok, correct split
116 Correct 165 ms 22812 KB ok, correct split
117 Correct 143 ms 22660 KB ok, correct split
118 Correct 104 ms 18752 KB ok, correct split
119 Correct 114 ms 18728 KB ok, correct split
120 Correct 141 ms 21964 KB ok, correct split
121 Correct 100 ms 18772 KB ok, no valid answer
122 Correct 101 ms 18992 KB ok, no valid answer
123 Correct 150 ms 22452 KB ok, no valid answer
124 Correct 160 ms 22372 KB ok, no valid answer
125 Correct 101 ms 20268 KB ok, no valid answer
126 Correct 103 ms 17496 KB ok, no valid answer
127 Correct 115 ms 20632 KB ok, no valid answer