oj.uz

Submission #752141

# Submission time Handle Problem Language Result Execution time Memory
752141 2023-06-02T10:57:57 Z Dan4Life Construction of Highway (JOI18_construction) C++17
16 / 100
 2000 ms 104308 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)1e5+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() {
	ios_base::sync_with_stdio(false); cin.tie();
	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

# Verdict Execution time Memory Grader output
1 Correct 44 ms 70040 KB Output is correct
2 Correct 44 ms 70052 KB Output is correct
3 Correct 52 ms 70052 KB Output is correct
4 Correct 48 ms 70164 KB Output is correct
5 Correct 47 ms 70208 KB Output is correct
6 Correct 47 ms 70136 KB Output is correct
7 Correct 50 ms 70220 KB Output is correct
8 Correct 50 ms 70092 KB Output is correct
9 Correct 51 ms 70092 KB Output is correct
10 Correct 46 ms 70064 KB Output is correct
11 Correct 49 ms 70300 KB Output is correct
12 Correct 48 ms 70192 KB Output is correct
13 Correct 47 ms 70276 KB Output is correct
14 Correct 50 ms 70124 KB Output is correct
15 Correct 50 ms 70184 KB Output is correct
16 Correct 49 ms 70228 KB Output is correct
17 Correct 69 ms 70236 KB Output is correct
18 Correct 48 ms 70228 KB Output is correct
19 Correct 47 ms 70228 KB Output is correct
20 Correct 50 ms 70288 KB Output is correct
21 Correct 49 ms 70232 KB Output is correct
22 Correct 51 ms 70228 KB Output is correct
23 Correct 48 ms 70240 KB Output is correct
24 Correct 51 ms 70228 KB Output is correct
25 Correct 49 ms 70152 KB Output is correct
26 Correct 46 ms 70100 KB Output is correct
27 Correct 48 ms 70256 KB Output is correct
28 Correct 50 ms 70164 KB Output is correct
29 Correct 50 ms 70244 KB Output is correct
30 Correct 54 ms 70220 KB Output is correct
31 Correct 49 ms 70112 KB Output is correct
32 Correct 49 ms 70128 KB Output is correct
33 Correct 48 ms 70116 KB Output is correct
34 Correct 50 ms 70164 KB Output is correct
35 Correct 48 ms 70176 KB Output is correct
36 Correct 50 ms 70140 KB Output is correct
37 Correct 52 ms 70240 KB Output is correct
38 Correct 52 ms 70236 KB Output is correct
39 Correct 51 ms 70240 KB Output is correct
40 Correct 57 ms 70116 KB Output is correct
41 Correct 49 ms 70376 KB Output is correct
42 Correct 49 ms 70216 KB Output is correct
43 Correct 55 ms 70180 KB Output is correct
44 Correct 48 ms 70196 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 70040 KB Output is correct
2 Correct 44 ms 70052 KB Output is correct
3 Correct 52 ms 70052 KB Output is correct
4 Correct 48 ms 70164 KB Output is correct
5 Correct 47 ms 70208 KB Output is correct
6 Correct 47 ms 70136 KB Output is correct
7 Correct 50 ms 70220 KB Output is correct
8 Correct 50 ms 70092 KB Output is correct
9 Correct 51 ms 70092 KB Output is correct
10 Correct 46 ms 70064 KB Output is correct
11 Correct 49 ms 70300 KB Output is correct
12 Correct 48 ms 70192 KB Output is correct
13 Correct 47 ms 70276 KB Output is correct
14 Correct 50 ms 70124 KB Output is correct
15 Correct 50 ms 70184 KB Output is correct
16 Correct 49 ms 70228 KB Output is correct
17 Correct 69 ms 70236 KB Output is correct
18 Correct 48 ms 70228 KB Output is correct
19 Correct 47 ms 70228 KB Output is correct
20 Correct 50 ms 70288 KB Output is correct
21 Correct 49 ms 70232 KB Output is correct
22 Correct 51 ms 70228 KB Output is correct
23 Correct 48 ms 70240 KB Output is correct
24 Correct 51 ms 70228 KB Output is correct
25 Correct 49 ms 70152 KB Output is correct
26 Correct 46 ms 70100 KB Output is correct
27 Correct 48 ms 70256 KB Output is correct
28 Correct 50 ms 70164 KB Output is correct
29 Correct 50 ms 70244 KB Output is correct
30 Correct 54 ms 70220 KB Output is correct
31 Correct 49 ms 70112 KB Output is correct
32 Correct 49 ms 70128 KB Output is correct
33 Correct 48 ms 70116 KB Output is correct
34 Correct 50 ms 70164 KB Output is correct
35 Correct 48 ms 70176 KB Output is correct
36 Correct 50 ms 70140 KB Output is correct
37 Correct 52 ms 70240 KB Output is correct
38 Correct 52 ms 70236 KB Output is correct
39 Correct 51 ms 70240 KB Output is correct
40 Correct 57 ms 70116 KB Output is correct
41 Correct 49 ms 70376 KB Output is correct
42 Correct 49 ms 70216 KB Output is correct
43 Correct 55 ms 70180 KB Output is correct
44 Correct 48 ms 70196 KB Output is correct
45 Correct 53 ms 70324 KB Output is correct
46 Correct 60 ms 71500 KB Output is correct
47 Correct 59 ms 71452 KB Output is correct
48 Correct 59 ms 71460 KB Output is correct
49 Correct 53 ms 70764 KB Output is correct
50 Correct 53 ms 70688 KB Output is correct
51 Correct 50 ms 70680 KB Output is correct
52 Correct 59 ms 71796 KB Output is correct
53 Correct 61 ms 71828 KB Output is correct
54 Correct 60 ms 71764 KB Output is correct
55 Correct 59 ms 71756 KB Output is correct
56 Correct 57 ms 71816 KB Output is correct
57 Correct 58 ms 71480 KB Output is correct
58 Correct 66 ms 71500 KB Output is correct
59 Correct 64 ms 71500 KB Output is correct
60 Correct 61 ms 71436 KB Output is correct
61 Correct 55 ms 71696 KB Output is correct
62 Correct 57 ms 71680 KB Output is correct
63 Correct 59 ms 71704 KB Output is correct
64 Correct 55 ms 71496 KB Output is correct
65 Correct 57 ms 71540 KB Output is correct
66 Correct 60 ms 71544 KB Output is correct
67 Correct 57 ms 71484 KB Output is correct
68 Correct 49 ms 70684 KB Output is correct
69 Correct 60 ms 71804 KB Output is correct
70 Correct 60 ms 71884 KB Output is correct
71 Correct 55 ms 71712 KB Output is correct
72 Correct 57 ms 71444 KB Output is correct
73 Correct 59 ms 71464 KB Output is correct
74 Correct 66 ms 71672 KB Output is correct
75 Correct 55 ms 71672 KB Output is correct
76 Correct 56 ms 71600 KB Output is correct
77 Correct 54 ms 71600 KB Output is correct
78 Correct 57 ms 71616 KB Output is correct
79 Correct 56 ms 71508 KB Output is correct
80 Correct 57 ms 71572 KB Output is correct
81 Correct 57 ms 71536 KB Output is correct
82 Correct 60 ms 71520 KB Output is correct
83 Correct 56 ms 71528 KB Output is correct
84 Correct 56 ms 71644 KB Output is correct
85 Correct 65 ms 71628 KB Output is correct
86 Correct 53 ms 71504 KB Output is correct

Subtask #3
0 / 84.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 70040 KB Output is correct
2 Correct 44 ms 70052 KB Output is correct
3 Correct 52 ms 70052 KB Output is correct
4 Correct 48 ms 70164 KB Output is correct
5 Correct 47 ms 70208 KB Output is correct
6 Correct 47 ms 70136 KB Output is correct
7 Correct 50 ms 70220 KB Output is correct
8 Correct 50 ms 70092 KB Output is correct
9 Correct 51 ms 70092 KB Output is correct
10 Correct 46 ms 70064 KB Output is correct
11 Correct 49 ms 70300 KB Output is correct
12 Correct 48 ms 70192 KB Output is correct
13 Correct 47 ms 70276 KB Output is correct
14 Correct 50 ms 70124 KB Output is correct
15 Correct 50 ms 70184 KB Output is correct
16 Correct 49 ms 70228 KB Output is correct
17 Correct 69 ms 70236 KB Output is correct
18 Correct 48 ms 70228 KB Output is correct
19 Correct 47 ms 70228 KB Output is correct
20 Correct 50 ms 70288 KB Output is correct
21 Correct 49 ms 70232 KB Output is correct
22 Correct 51 ms 70228 KB Output is correct
23 Correct 48 ms 70240 KB Output is correct
24 Correct 51 ms 70228 KB Output is correct
25 Correct 49 ms 70152 KB Output is correct
26 Correct 46 ms 70100 KB Output is correct
27 Correct 48 ms 70256 KB Output is correct
28 Correct 50 ms 70164 KB Output is correct
29 Correct 50 ms 70244 KB Output is correct
30 Correct 54 ms 70220 KB Output is correct
31 Correct 49 ms 70112 KB Output is correct
32 Correct 49 ms 70128 KB Output is correct
33 Correct 48 ms 70116 KB Output is correct
34 Correct 50 ms 70164 KB Output is correct
35 Correct 48 ms 70176 KB Output is correct
36 Correct 50 ms 70140 KB Output is correct
37 Correct 52 ms 70240 KB Output is correct
38 Correct 52 ms 70236 KB Output is correct
39 Correct 51 ms 70240 KB Output is correct
40 Correct 57 ms 70116 KB Output is correct
41 Correct 49 ms 70376 KB Output is correct
42 Correct 49 ms 70216 KB Output is correct
43 Correct 55 ms 70180 KB Output is correct
44 Correct 48 ms 70196 KB Output is correct
45 Correct 53 ms 70324 KB Output is correct
46 Correct 60 ms 71500 KB Output is correct
47 Correct 59 ms 71452 KB Output is correct
48 Correct 59 ms 71460 KB Output is correct
49 Correct 53 ms 70764 KB Output is correct
50 Correct 53 ms 70688 KB Output is correct
51 Correct 50 ms 70680 KB Output is correct
52 Correct 59 ms 71796 KB Output is correct
53 Correct 61 ms 71828 KB Output is correct
54 Correct 60 ms 71764 KB Output is correct
55 Correct 59 ms 71756 KB Output is correct
56 Correct 57 ms 71816 KB Output is correct
57 Correct 58 ms 71480 KB Output is correct
58 Correct 66 ms 71500 KB Output is correct
59 Correct 64 ms 71500 KB Output is correct
60 Correct 61 ms 71436 KB Output is correct
61 Correct 55 ms 71696 KB Output is correct
62 Correct 57 ms 71680 KB Output is correct
63 Correct 59 ms 71704 KB Output is correct
64 Correct 55 ms 71496 KB Output is correct
65 Correct 57 ms 71540 KB Output is correct
66 Correct 60 ms 71544 KB Output is correct
67 Correct 57 ms 71484 KB Output is correct
68 Correct 49 ms 70684 KB Output is correct
69 Correct 60 ms 71804 KB Output is correct
70 Correct 60 ms 71884 KB Output is correct
71 Correct 55 ms 71712 KB Output is correct
72 Correct 57 ms 71444 KB Output is correct
73 Correct 59 ms 71464 KB Output is correct
74 Correct 66 ms 71672 KB Output is correct
75 Correct 55 ms 71672 KB Output is correct
76 Correct 56 ms 71600 KB Output is correct
77 Correct 54 ms 71600 KB Output is correct
78 Correct 57 ms 71616 KB Output is correct
79 Correct 56 ms 71508 KB Output is correct
80 Correct 57 ms 71572 KB Output is correct
81 Correct 57 ms 71536 KB Output is correct
82 Correct 60 ms 71520 KB Output is correct
83 Correct 56 ms 71528 KB Output is correct
84 Correct 56 ms 71644 KB Output is correct
85 Correct 65 ms 71628 KB Output is correct
86 Correct 53 ms 71504 KB Output is correct
87 Correct 83 ms 73824 KB Output is correct
88 Correct 267 ms 81580 KB Output is correct
89 Execution timed out 2080 ms 104308 KB Time limit exceeded
90 Halted 0 ms 0 KB -