oj.uz

Submission #335382

# Submission time Handle Problem Language Result Execution time Memory
335382 2020-12-12T07:34:10 Z amoo_safar Construction of Highway (JOI18_construction) C++17
100 / 100
 539 ms 17136 KB 
// vaziat meshki-ghermeze !
#include <bits/stdc++.h>

#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'

using namespace std;

typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;

const ll Mod = 1000000007LL;
const int N = 1e5 + 10;
const ll Inf = 2242545357980376863LL;
const int Log = 19;

int fen[N];
void Add(int idx, int x){
	for(; idx < N; idx += idx & (-idx))
		fen[idx] += x;
}
int Get(int idx){
	int res = 0;
	for(; idx; idx -= idx & (-idx))
		res += fen[idx];
	return res;
}

int par[N][Log], dep[N];
int val[N], ep[N];
int C[N];

int Blift(int u, int h){
	for(int i = 0; i < Log; i++)
		if(h >> i & 1)
			u = par[u][i];
	return u;
}

typedef pair<int, int> pii;
vector<pii> A;
void Solve(int rt, int u, int v){
	// cerr << "! " << rt << ' ' << u << ' ' << v << '\n';
	if(rt == v) return ;
	if(ep[rt] == u){
		A.pb({val[rt], dep[v] - dep[rt]});
		return ;
	}
	int v1 = v;
	int v2 = ep[rt];
	if(dep[v1] > dep[v2])
		v1 = Blift(v1, dep[v1] - dep[v2]);
	else
		v2 = Blift(v2, dep[v2] - dep[v1]);
	// assert(v1 != v2);
	for(int l = Log - 1; l >= 0; l--){
		if(par[v1][l] != par[v2][l])
			v1 = par[v1][l], v2 = par[v2][l];
	}
	A.pb({val[rt], dep[v2] - dep[rt]});
	ep[v2] = ep[rt];
	val[v2] = val[rt];
	Solve(v1, u, v);
	return ;
}
ll Calc(){
	reverse(all(A));
	ll res = 0;
	for(auto X : A){
		res += 1ll * X.S * Get(X.F - 1);
		Add(X.F, X.S);
	}
	for(auto X : A)
		Add(X.F, -X.S);
	return res;
}
int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int n;
	cin >> n;
	vector<int> V;
	for(int i = 1; i <= n; i++){
		cin >> C[i];
		V.pb(C[i]);
	}
	sort(all(V));
	for(int i = 1; i <= n; i++){
		C[i] = lower_bound(all(V), C[i]) - V.begin();
		C[i] += 3;
	}
	dep[1] = 0;
	val[1] = C[1];
	ep[1] = 1;

	int u, v;
	for(int i = 1; i < n; i++){
		cin >> u >> v;
		par[v][0] = u;
		dep[v] = dep[u] + 1;
		for(int i = 1; i < Log; i++)
			par[v][i] = par[par[v][i - 1]][i - 1];	
	
		A.clear();
		Solve(1, u, v);
		val[1] = C[v];
		ep[1] = v;
		cout << Calc() << '\n';
	}
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 408 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 512 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 492 KB Output is correct
42 Correct 1 ms 492 KB Output is correct
43 Correct 1 ms 492 KB Output is correct
44 Correct 1 ms 492 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 408 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 512 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 492 KB Output is correct
42 Correct 1 ms 492 KB Output is correct
43 Correct 1 ms 492 KB Output is correct
44 Correct 1 ms 492 KB Output is correct
45 Correct 2 ms 492 KB Output is correct
46 Correct 6 ms 876 KB Output is correct
47 Correct 6 ms 876 KB Output is correct
48 Correct 6 ms 876 KB Output is correct
49 Correct 4 ms 876 KB Output is correct
50 Correct 4 ms 876 KB Output is correct
51 Correct 4 ms 876 KB Output is correct
52 Correct 4 ms 1004 KB Output is correct
53 Correct 5 ms 1004 KB Output is correct
54 Correct 5 ms 1004 KB Output is correct
55 Correct 5 ms 1004 KB Output is correct
56 Correct 4 ms 876 KB Output is correct
57 Correct 10 ms 876 KB Output is correct
58 Correct 10 ms 876 KB Output is correct
59 Correct 10 ms 876 KB Output is correct
60 Correct 10 ms 876 KB Output is correct
61 Correct 5 ms 876 KB Output is correct
62 Correct 5 ms 876 KB Output is correct
63 Correct 5 ms 876 KB Output is correct
64 Correct 5 ms 876 KB Output is correct
65 Correct 6 ms 876 KB Output is correct
66 Correct 6 ms 876 KB Output is correct
67 Correct 6 ms 876 KB Output is correct
68 Correct 3 ms 876 KB Output is correct
69 Correct 4 ms 1132 KB Output is correct
70 Correct 5 ms 1004 KB Output is correct
71 Correct 4 ms 876 KB Output is correct
72 Correct 10 ms 876 KB Output is correct
73 Correct 10 ms 876 KB Output is correct
74 Correct 4 ms 876 KB Output is correct
75 Correct 4 ms 876 KB Output is correct
76 Correct 5 ms 876 KB Output is correct
77 Correct 4 ms 876 KB Output is correct
78 Correct 4 ms 876 KB Output is correct
79 Correct 4 ms 896 KB Output is correct
80 Correct 4 ms 876 KB Output is correct
81 Correct 5 ms 876 KB Output is correct
82 Correct 5 ms 876 KB Output is correct
83 Correct 6 ms 876 KB Output is correct
84 Correct 5 ms 876 KB Output is correct
85 Correct 4 ms 876 KB Output is correct
86 Correct 4 ms 876 KB Output is correct

Subtask #3
84.0 / 84.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 408 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 512 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 492 KB Output is correct
42 Correct 1 ms 492 KB Output is correct
43 Correct 1 ms 492 KB Output is correct
44 Correct 1 ms 492 KB Output is correct
45 Correct 2 ms 492 KB Output is correct
46 Correct 6 ms 876 KB Output is correct
47 Correct 6 ms 876 KB Output is correct
48 Correct 6 ms 876 KB Output is correct
49 Correct 4 ms 876 KB Output is correct
50 Correct 4 ms 876 KB Output is correct
51 Correct 4 ms 876 KB Output is correct
52 Correct 4 ms 1004 KB Output is correct
53 Correct 5 ms 1004 KB Output is correct
54 Correct 5 ms 1004 KB Output is correct
55 Correct 5 ms 1004 KB Output is correct
56 Correct 4 ms 876 KB Output is correct
57 Correct 10 ms 876 KB Output is correct
58 Correct 10 ms 876 KB Output is correct
59 Correct 10 ms 876 KB Output is correct
60 Correct 10 ms 876 KB Output is correct
61 Correct 5 ms 876 KB Output is correct
62 Correct 5 ms 876 KB Output is correct
63 Correct 5 ms 876 KB Output is correct
64 Correct 5 ms 876 KB Output is correct
65 Correct 6 ms 876 KB Output is correct
66 Correct 6 ms 876 KB Output is correct
67 Correct 6 ms 876 KB Output is correct
68 Correct 3 ms 876 KB Output is correct
69 Correct 4 ms 1132 KB Output is correct
70 Correct 5 ms 1004 KB Output is correct
71 Correct 4 ms 876 KB Output is correct
72 Correct 10 ms 876 KB Output is correct
73 Correct 10 ms 876 KB Output is correct
74 Correct 4 ms 876 KB Output is correct
75 Correct 4 ms 876 KB Output is correct
76 Correct 5 ms 876 KB Output is correct
77 Correct 4 ms 876 KB Output is correct
78 Correct 4 ms 876 KB Output is correct
79 Correct 4 ms 896 KB Output is correct
80 Correct 4 ms 876 KB Output is correct
81 Correct 5 ms 876 KB Output is correct
82 Correct 5 ms 876 KB Output is correct
83 Correct 6 ms 876 KB Output is correct
84 Correct 5 ms 876 KB Output is correct
85 Correct 4 ms 876 KB Output is correct
86 Correct 4 ms 876 KB Output is correct
87 Correct 17 ms 1644 KB Output is correct
88 Correct 56 ms 4204 KB Output is correct
89 Correct 271 ms 12652 KB Output is correct
90 Correct 269 ms 12780 KB Output is correct
91 Correct 265 ms 12652 KB Output is correct
92 Correct 148 ms 11756 KB Output is correct
93 Correct 156 ms 11756 KB Output is correct
94 Correct 146 ms 11756 KB Output is correct
95 Correct 175 ms 16496 KB Output is correct
96 Correct 180 ms 16880 KB Output is correct
97 Correct 182 ms 16880 KB Output is correct
98 Correct 188 ms 17136 KB Output is correct
99 Correct 173 ms 12780 KB Output is correct
100 Correct 483 ms 12396 KB Output is correct
101 Correct 532 ms 12908 KB Output is correct
102 Correct 539 ms 12780 KB Output is correct
103 Correct 534 ms 12652 KB Output is correct
104 Correct 224 ms 12780 KB Output is correct
105 Correct 224 ms 12652 KB Output is correct
106 Correct 235 ms 12780 KB Output is correct
107 Correct 237 ms 11628 KB Output is correct
108 Correct 248 ms 12104 KB Output is correct
109 Correct 267 ms 12396 KB Output is correct
110 Correct 135 ms 11244 KB Output is correct
111 Correct 173 ms 16496 KB Output is correct
112 Correct 173 ms 16240 KB Output is correct
113 Correct 168 ms 12116 KB Output is correct
114 Correct 483 ms 12352 KB Output is correct
115 Correct 528 ms 12140 KB Output is correct
116 Correct 223 ms 12140 KB Output is correct
117 Correct 167 ms 12396 KB Output is correct
118 Correct 159 ms 12396 KB Output is correct
119 Correct 161 ms 12396 KB Output is correct
120 Correct 155 ms 12140 KB Output is correct
121 Correct 151 ms 12140 KB Output is correct
122 Correct 152 ms 12140 KB Output is correct
123 Correct 245 ms 12396 KB Output is correct
124 Correct 236 ms 12396 KB Output is correct
125 Correct 239 ms 12396 KB Output is correct
126 Correct 233 ms 12140 KB Output is correct
127 Correct 235 ms 12268 KB Output is correct
128 Correct 234 ms 12268 KB Output is correct