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답안 #752139

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
752139 2023-06-02T10:55:14 Z Dan4Life Construction of Highway (JOI18_construction) C++17
16 / 100
 2000 ms 177200 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define pf push_front
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
const int mxN = (int)2e5+2;
using ar = array<int,2>;
int n, tim=1;
vector<int> adj[mxN];
deque<ar> edge, ch[mxN];
int c[mxN], h[mxN], sub[mxN], p[mxN], st[mxN], en[mxN], dep[mxN], fen[mxN];

void upd(int x, int v){	for(; x<mxN; x+=x&-x) fen[x]+=v; }
int sum(int x){	int s=0; for(; x; x-=x&-x) s+=fen[x]; return s; }

int dfsSz(int s, int par){
	sub[s] = 1; dep[s] = (par==-1?0:dep[par]+1); p[s] = par;
	for(auto &u : adj[s]){
		if(u==par) continue;
		sub[s]+=dfsSz(u,s);
		int x = adj[s][0];
		if(x==par or sub[x]<sub[u]) swap(adj[s][0],u);
	}
	return sub[s];
}

void dfsHld(int s, int par, int head){
	h[s] = head; st[s]=tim++;
	for(auto u : adj[s]){
		if(u==par) continue;
		dfsHld(u,s,u==adj[s][0]?head:u);
	}
	en[s] = tim;
}

int calc(int a){
	vector<ar> v; v.clear(); int ans = 0;
	while(a!=-1){
		int H = h[a], siz = dep[a]-dep[h[a]]+1;
		vector<ar> tv; tv.clear();
		for(auto [x,cnt] : ch[H])
			if(siz) tv.pb({x,min(cnt,siz)}), siz-=min(cnt,siz);
		reverse(all(tv)); for(auto u : tv) v.pb(u);
		a = p[H];
	}
	for(int i = 1; i <= n; i++) fen[i]=0;
	for(auto [x,y] : v) ans+=y*sum(x-1), upd(x,y);
	return ans;
}

void addEdge(int b){
	int v = c[b];
	while(b!=-1){
		int H = h[b], siz = dep[b]-dep[h[b]]+1; int tsz = siz;
		while(!ch[H].empty() and siz){
			int cnt = ch[H].front()[1];
			if(cnt<=siz) ch[H].pop_front(), siz-=cnt;
			else ch[H].front()[1]-=siz, siz=0;
		}
		ch[H].pf({v,tsz}); b = p[H];
	}
}

int32_t main() {
	cin >> n; vector<int> v; 
	for(int i = 1; i <= n; i++) cin >> c[i], v.pb(c[i]);
	sort(all(v)), v.erase(unique(all(v)),end(v));
	for(int i = 1; i <= n; i++) c[i] = lower_bound(all(v),c[i])-begin(v)+1;
	for(int i = 1; i < n; i++){
		int a, b; cin >> a >> b;
		adj[a].pb(b), adj[b].pb(a), edge.pb({a,b});
	}
	ch[1].pb({c[1],1}); dfsSz(1,-1); dfsHld(1,-1,1); 
	for(auto [a,b] : edge) cout << calc(a) << "\n", addEdge(b);
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 91 ms 139596 KB Output is correct
2 Correct 92 ms 139664 KB Output is correct
3 Correct 92 ms 139708 KB Output is correct
4 Correct 87 ms 139716 KB Output is correct
5 Correct 91 ms 139908 KB Output is correct
6 Correct 91 ms 139856 KB Output is correct
7 Correct 93 ms 139852 KB Output is correct
8 Correct 102 ms 139896 KB Output is correct
9 Correct 85 ms 139804 KB Output is correct
10 Correct 84 ms 139752 KB Output is correct
11 Correct 92 ms 139856 KB Output is correct
12 Correct 111 ms 139912 KB Output is correct
13 Correct 97 ms 139976 KB Output is correct
14 Correct 93 ms 139808 KB Output is correct
15 Correct 98 ms 139992 KB Output is correct
16 Correct 94 ms 139904 KB Output is correct
17 Correct 98 ms 139788 KB Output is correct
18 Correct 126 ms 139792 KB Output is correct
19 Correct 96 ms 139812 KB Output is correct
20 Correct 103 ms 139872 KB Output is correct
21 Correct 94 ms 139848 KB Output is correct
22 Correct 93 ms 139848 KB Output is correct
23 Correct 90 ms 139836 KB Output is correct
24 Correct 92 ms 139908 KB Output is correct
25 Correct 94 ms 139888 KB Output is correct
26 Correct 91 ms 139720 KB Output is correct
27 Correct 96 ms 139928 KB Output is correct
28 Correct 98 ms 139852 KB Output is correct
29 Correct 96 ms 139924 KB Output is correct
30 Correct 94 ms 139956 KB Output is correct
31 Correct 95 ms 139884 KB Output is correct
32 Correct 95 ms 139880 KB Output is correct
33 Correct 93 ms 139880 KB Output is correct
34 Correct 92 ms 139880 KB Output is correct
35 Correct 96 ms 139884 KB Output is correct
36 Correct 94 ms 139880 KB Output is correct
37 Correct 96 ms 139912 KB Output is correct
38 Correct 95 ms 139904 KB Output is correct
39 Correct 93 ms 139864 KB Output is correct
40 Correct 96 ms 139908 KB Output is correct
41 Correct 91 ms 139980 KB Output is correct
42 Correct 111 ms 139916 KB Output is correct
43 Correct 99 ms 139848 KB Output is correct
44 Correct 96 ms 139820 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 91 ms 139596 KB Output is correct
2 Correct 92 ms 139664 KB Output is correct
3 Correct 92 ms 139708 KB Output is correct
4 Correct 87 ms 139716 KB Output is correct
5 Correct 91 ms 139908 KB Output is correct
6 Correct 91 ms 139856 KB Output is correct
7 Correct 93 ms 139852 KB Output is correct
8 Correct 102 ms 139896 KB Output is correct
9 Correct 85 ms 139804 KB Output is correct
10 Correct 84 ms 139752 KB Output is correct
11 Correct 92 ms 139856 KB Output is correct
12 Correct 111 ms 139912 KB Output is correct
13 Correct 97 ms 139976 KB Output is correct
14 Correct 93 ms 139808 KB Output is correct
15 Correct 98 ms 139992 KB Output is correct
16 Correct 94 ms 139904 KB Output is correct
17 Correct 98 ms 139788 KB Output is correct
18 Correct 126 ms 139792 KB Output is correct
19 Correct 96 ms 139812 KB Output is correct
20 Correct 103 ms 139872 KB Output is correct
21 Correct 94 ms 139848 KB Output is correct
22 Correct 93 ms 139848 KB Output is correct
23 Correct 90 ms 139836 KB Output is correct
24 Correct 92 ms 139908 KB Output is correct
25 Correct 94 ms 139888 KB Output is correct
26 Correct 91 ms 139720 KB Output is correct
27 Correct 96 ms 139928 KB Output is correct
28 Correct 98 ms 139852 KB Output is correct
29 Correct 96 ms 139924 KB Output is correct
30 Correct 94 ms 139956 KB Output is correct
31 Correct 95 ms 139884 KB Output is correct
32 Correct 95 ms 139880 KB Output is correct
33 Correct 93 ms 139880 KB Output is correct
34 Correct 92 ms 139880 KB Output is correct
35 Correct 96 ms 139884 KB Output is correct
36 Correct 94 ms 139880 KB Output is correct
37 Correct 96 ms 139912 KB Output is correct
38 Correct 95 ms 139904 KB Output is correct
39 Correct 93 ms 139864 KB Output is correct
40 Correct 96 ms 139908 KB Output is correct
41 Correct 91 ms 139980 KB Output is correct
42 Correct 111 ms 139916 KB Output is correct
43 Correct 99 ms 139848 KB Output is correct
44 Correct 96 ms 139820 KB Output is correct
45 Correct 98 ms 139984 KB Output is correct
46 Correct 106 ms 141268 KB Output is correct
47 Correct 108 ms 141308 KB Output is correct
48 Correct 104 ms 141220 KB Output is correct
49 Correct 98 ms 140412 KB Output is correct
50 Correct 99 ms 140464 KB Output is correct
51 Correct 95 ms 140468 KB Output is correct
52 Correct 110 ms 141516 KB Output is correct
53 Correct 125 ms 141568 KB Output is correct
54 Correct 126 ms 141468 KB Output is correct
55 Correct 106 ms 141516 KB Output is correct
56 Correct 107 ms 141444 KB Output is correct
57 Correct 119 ms 141388 KB Output is correct
58 Correct 109 ms 141304 KB Output is correct
59 Correct 109 ms 141236 KB Output is correct
60 Correct 107 ms 141296 KB Output is correct
61 Correct 100 ms 141388 KB Output is correct
62 Correct 105 ms 141448 KB Output is correct
63 Correct 105 ms 141516 KB Output is correct
64 Correct 113 ms 141308 KB Output is correct
65 Correct 108 ms 141204 KB Output is correct
66 Correct 106 ms 141264 KB Output is correct
67 Correct 129 ms 141224 KB Output is correct
68 Correct 94 ms 140468 KB Output is correct
69 Correct 103 ms 141488 KB Output is correct
70 Correct 107 ms 141532 KB Output is correct
71 Correct 103 ms 141324 KB Output is correct
72 Correct 104 ms 141276 KB Output is correct
73 Correct 109 ms 141296 KB Output is correct
74 Correct 103 ms 141352 KB Output is correct
75 Correct 110 ms 141304 KB Output is correct
76 Correct 103 ms 141220 KB Output is correct
77 Correct 105 ms 141420 KB Output is correct
78 Correct 103 ms 141284 KB Output is correct
79 Correct 102 ms 141252 KB Output is correct
80 Correct 103 ms 141296 KB Output is correct
81 Correct 106 ms 141264 KB Output is correct
82 Correct 103 ms 141260 KB Output is correct
83 Correct 104 ms 141264 KB Output is correct
84 Correct 100 ms 141312 KB Output is correct
85 Correct 100 ms 141324 KB Output is correct
86 Correct 106 ms 141292 KB Output is correct

Subtask #3
0 / 84.0

# 결과 실행 시간 메모리 Grader output
1 Correct 91 ms 139596 KB Output is correct
2 Correct 92 ms 139664 KB Output is correct
3 Correct 92 ms 139708 KB Output is correct
4 Correct 87 ms 139716 KB Output is correct
5 Correct 91 ms 139908 KB Output is correct
6 Correct 91 ms 139856 KB Output is correct
7 Correct 93 ms 139852 KB Output is correct
8 Correct 102 ms 139896 KB Output is correct
9 Correct 85 ms 139804 KB Output is correct
10 Correct 84 ms 139752 KB Output is correct
11 Correct 92 ms 139856 KB Output is correct
12 Correct 111 ms 139912 KB Output is correct
13 Correct 97 ms 139976 KB Output is correct
14 Correct 93 ms 139808 KB Output is correct
15 Correct 98 ms 139992 KB Output is correct
16 Correct 94 ms 139904 KB Output is correct
17 Correct 98 ms 139788 KB Output is correct
18 Correct 126 ms 139792 KB Output is correct
19 Correct 96 ms 139812 KB Output is correct
20 Correct 103 ms 139872 KB Output is correct
21 Correct 94 ms 139848 KB Output is correct
22 Correct 93 ms 139848 KB Output is correct
23 Correct 90 ms 139836 KB Output is correct
24 Correct 92 ms 139908 KB Output is correct
25 Correct 94 ms 139888 KB Output is correct
26 Correct 91 ms 139720 KB Output is correct
27 Correct 96 ms 139928 KB Output is correct
28 Correct 98 ms 139852 KB Output is correct
29 Correct 96 ms 139924 KB Output is correct
30 Correct 94 ms 139956 KB Output is correct
31 Correct 95 ms 139884 KB Output is correct
32 Correct 95 ms 139880 KB Output is correct
33 Correct 93 ms 139880 KB Output is correct
34 Correct 92 ms 139880 KB Output is correct
35 Correct 96 ms 139884 KB Output is correct
36 Correct 94 ms 139880 KB Output is correct
37 Correct 96 ms 139912 KB Output is correct
38 Correct 95 ms 139904 KB Output is correct
39 Correct 93 ms 139864 KB Output is correct
40 Correct 96 ms 139908 KB Output is correct
41 Correct 91 ms 139980 KB Output is correct
42 Correct 111 ms 139916 KB Output is correct
43 Correct 99 ms 139848 KB Output is correct
44 Correct 96 ms 139820 KB Output is correct
45 Correct 98 ms 139984 KB Output is correct
46 Correct 106 ms 141268 KB Output is correct
47 Correct 108 ms 141308 KB Output is correct
48 Correct 104 ms 141220 KB Output is correct
49 Correct 98 ms 140412 KB Output is correct
50 Correct 99 ms 140464 KB Output is correct
51 Correct 95 ms 140468 KB Output is correct
52 Correct 110 ms 141516 KB Output is correct
53 Correct 125 ms 141568 KB Output is correct
54 Correct 126 ms 141468 KB Output is correct
55 Correct 106 ms 141516 KB Output is correct
56 Correct 107 ms 141444 KB Output is correct
57 Correct 119 ms 141388 KB Output is correct
58 Correct 109 ms 141304 KB Output is correct
59 Correct 109 ms 141236 KB Output is correct
60 Correct 107 ms 141296 KB Output is correct
61 Correct 100 ms 141388 KB Output is correct
62 Correct 105 ms 141448 KB Output is correct
63 Correct 105 ms 141516 KB Output is correct
64 Correct 113 ms 141308 KB Output is correct
65 Correct 108 ms 141204 KB Output is correct
66 Correct 106 ms 141264 KB Output is correct
67 Correct 129 ms 141224 KB Output is correct
68 Correct 94 ms 140468 KB Output is correct
69 Correct 103 ms 141488 KB Output is correct
70 Correct 107 ms 141532 KB Output is correct
71 Correct 103 ms 141324 KB Output is correct
72 Correct 104 ms 141276 KB Output is correct
73 Correct 109 ms 141296 KB Output is correct
74 Correct 103 ms 141352 KB Output is correct
75 Correct 110 ms 141304 KB Output is correct
76 Correct 103 ms 141220 KB Output is correct
77 Correct 105 ms 141420 KB Output is correct
78 Correct 103 ms 141284 KB Output is correct
79 Correct 102 ms 141252 KB Output is correct
80 Correct 103 ms 141296 KB Output is correct
81 Correct 106 ms 141264 KB Output is correct
82 Correct 103 ms 141260 KB Output is correct
83 Correct 104 ms 141264 KB Output is correct
84 Correct 100 ms 141312 KB Output is correct
85 Correct 100 ms 141324 KB Output is correct
86 Correct 106 ms 141292 KB Output is correct
87 Correct 137 ms 143720 KB Output is correct
88 Correct 330 ms 151856 KB Output is correct
89 Execution timed out 2073 ms 177200 KB Time limit exceeded
90 Halted 0 ms 0 KB -