oj.uz

Submission #410280

# Submission time Handle Problem Language Result Execution time Memory
410280 2021-05-22T12:17:57 Z amoo_safar Designated Cities (JOI19_designated_cities) C++17
100 / 100
 713 ms 59544 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 = 2e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;

set<pll> G[N];
ll ans[N];

set<pll> st;
ll mn = Inf;
ll sum = 0;
void DFS(int u, int p, ll in){
	mn = min(mn, in);
	for(auto [adj, w] : G[u]){
		if(adj == p) continue;
		int rw = G[adj].lower_bound(pll(u, -1)) -> S;
		sum += rw;
		DFS(adj, u, in + w - rw);
	}
}

int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int n;
	cin >> n;
	int u, v, c, d;
	for(int i = 1; i < n; i++){
		cin >> u >> v >> c >> d;
		swap(c, d);
		G[u].insert({v, c});
		G[v].insert({u, d});
	}
	int cnt = 0;
	for(int i = 1; i <= n; i++){
		if((int) G[i].size() == 1){
			cnt ++;
			st.insert({G[i].begin() -> S, i});
			// cerr << "! " << G[i].begin() -> S << ' ' << i << '\n';
		}
	}
	DFS(1, -1, 0);
	// debug(sum);
	ans[1] = sum + mn;
	ll sm = 0;
	for(int i = n; i >= 2; i--){
		while(cnt > i){
			pll fr = *st.begin();
			// cerr << "### " << fr.F << ' ' << fr.S << '\n';
			st.erase(fr);
			int adj = G[fr.S].begin() -> F;
			G[fr.S].clear();
			auto it = G[adj].lower_bound(pll(fr.S, -1));
			G[adj].erase(it);
			if(G[adj].size() == 1){

				st.insert({fr.F + G[adj].begin() -> S, adj});
			} else {
				cnt --;
				sm += fr.F;
			}
		}
		ans[i] = sm;
	}
	// cout << '\n';
	int q;
	cin >> q;
	for(int i = 1; i <= q; i++){
		cin >> v;
		// assert(v > 1);
		cout << ans[v] << '\n';
	}
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9688 KB Output is correct
2 Correct 6 ms 9680 KB Output is correct
3 Correct 6 ms 9652 KB Output is correct
4 Correct 6 ms 9708 KB Output is correct
5 Correct 6 ms 9676 KB Output is correct
6 Correct 6 ms 9676 KB Output is correct
7 Correct 6 ms 9676 KB Output is correct
8 Correct 6 ms 9676 KB Output is correct
9 Correct 6 ms 9672 KB Output is correct
10 Correct 6 ms 9676 KB Output is correct
11 Correct 6 ms 9676 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9820 KB Output is correct
2 Correct 463 ms 47732 KB Output is correct
3 Correct 354 ms 55516 KB Output is correct
4 Correct 418 ms 46368 KB Output is correct
5 Correct 526 ms 48456 KB Output is correct
6 Correct 470 ms 49424 KB Output is correct
7 Correct 588 ms 50668 KB Output is correct
8 Correct 322 ms 56300 KB Output is correct
9 Correct 675 ms 55364 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Output is correct
2 Correct 461 ms 41380 KB Output is correct
3 Correct 341 ms 51156 KB Output is correct
4 Correct 409 ms 41324 KB Output is correct
5 Correct 510 ms 41936 KB Output is correct
6 Correct 447 ms 43304 KB Output is correct
7 Correct 643 ms 47684 KB Output is correct
8 Correct 374 ms 47800 KB Output is correct
9 Correct 639 ms 48752 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9688 KB Output is correct
2 Correct 6 ms 9680 KB Output is correct
3 Correct 6 ms 9652 KB Output is correct
4 Correct 6 ms 9708 KB Output is correct
5 Correct 6 ms 9676 KB Output is correct
6 Correct 6 ms 9676 KB Output is correct
7 Correct 6 ms 9676 KB Output is correct
8 Correct 6 ms 9676 KB Output is correct
9 Correct 6 ms 9672 KB Output is correct
10 Correct 6 ms 9676 KB Output is correct
11 Correct 6 ms 9676 KB Output is correct
12 Correct 6 ms 9668 KB Output is correct
13 Correct 8 ms 10112 KB Output is correct
14 Correct 8 ms 10108 KB Output is correct
15 Correct 8 ms 10068 KB Output is correct
16 Correct 9 ms 10088 KB Output is correct
17 Correct 9 ms 9996 KB Output is correct
18 Correct 9 ms 10116 KB Output is correct
19 Correct 9 ms 10060 KB Output is correct
20 Correct 9 ms 10060 KB Output is correct
21 Correct 9 ms 10060 KB Output is correct
22 Correct 9 ms 10056 KB Output is correct
23 Correct 9 ms 10112 KB Output is correct
24 Correct 9 ms 10100 KB Output is correct
25 Correct 9 ms 10112 KB Output is correct
26 Correct 9 ms 10120 KB Output is correct

Subtask #5
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9820 KB Output is correct
2 Correct 463 ms 47732 KB Output is correct
3 Correct 354 ms 55516 KB Output is correct
4 Correct 418 ms 46368 KB Output is correct
5 Correct 526 ms 48456 KB Output is correct
6 Correct 470 ms 49424 KB Output is correct
7 Correct 588 ms 50668 KB Output is correct
8 Correct 322 ms 56300 KB Output is correct
9 Correct 675 ms 55364 KB Output is correct
10 Correct 6 ms 9676 KB Output is correct
11 Correct 461 ms 41380 KB Output is correct
12 Correct 341 ms 51156 KB Output is correct
13 Correct 409 ms 41324 KB Output is correct
14 Correct 510 ms 41936 KB Output is correct
15 Correct 447 ms 43304 KB Output is correct
16 Correct 643 ms 47684 KB Output is correct
17 Correct 374 ms 47800 KB Output is correct
18 Correct 639 ms 48752 KB Output is correct
19 Correct 6 ms 9676 KB Output is correct
20 Correct 502 ms 47736 KB Output is correct
21 Correct 317 ms 57852 KB Output is correct
22 Correct 416 ms 46324 KB Output is correct
23 Correct 477 ms 47796 KB Output is correct
24 Correct 449 ms 46620 KB Output is correct
25 Correct 468 ms 47736 KB Output is correct
26 Correct 469 ms 46740 KB Output is correct
27 Correct 516 ms 48404 KB Output is correct
28 Correct 455 ms 49416 KB Output is correct
29 Correct 442 ms 47296 KB Output is correct
30 Correct 482 ms 48068 KB Output is correct
31 Correct 614 ms 51560 KB Output is correct
32 Correct 375 ms 54636 KB Output is correct
33 Correct 644 ms 55288 KB Output is correct

Subtask #6
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9688 KB Output is correct
2 Correct 6 ms 9680 KB Output is correct
3 Correct 6 ms 9652 KB Output is correct
4 Correct 6 ms 9708 KB Output is correct
5 Correct 6 ms 9676 KB Output is correct
6 Correct 6 ms 9676 KB Output is correct
7 Correct 6 ms 9676 KB Output is correct
8 Correct 6 ms 9676 KB Output is correct
9 Correct 6 ms 9672 KB Output is correct
10 Correct 6 ms 9676 KB Output is correct
11 Correct 6 ms 9676 KB Output is correct
12 Correct 6 ms 9820 KB Output is correct
13 Correct 463 ms 47732 KB Output is correct
14 Correct 354 ms 55516 KB Output is correct
15 Correct 418 ms 46368 KB Output is correct
16 Correct 526 ms 48456 KB Output is correct
17 Correct 470 ms 49424 KB Output is correct
18 Correct 588 ms 50668 KB Output is correct
19 Correct 322 ms 56300 KB Output is correct
20 Correct 675 ms 55364 KB Output is correct
21 Correct 6 ms 9676 KB Output is correct
22 Correct 461 ms 41380 KB Output is correct
23 Correct 341 ms 51156 KB Output is correct
24 Correct 409 ms 41324 KB Output is correct
25 Correct 510 ms 41936 KB Output is correct
26 Correct 447 ms 43304 KB Output is correct
27 Correct 643 ms 47684 KB Output is correct
28 Correct 374 ms 47800 KB Output is correct
29 Correct 639 ms 48752 KB Output is correct
30 Correct 6 ms 9668 KB Output is correct
31 Correct 8 ms 10112 KB Output is correct
32 Correct 8 ms 10108 KB Output is correct
33 Correct 8 ms 10068 KB Output is correct
34 Correct 9 ms 10088 KB Output is correct
35 Correct 9 ms 9996 KB Output is correct
36 Correct 9 ms 10116 KB Output is correct
37 Correct 9 ms 10060 KB Output is correct
38 Correct 9 ms 10060 KB Output is correct
39 Correct 9 ms 10060 KB Output is correct
40 Correct 9 ms 10056 KB Output is correct
41 Correct 9 ms 10112 KB Output is correct
42 Correct 9 ms 10100 KB Output is correct
43 Correct 9 ms 10112 KB Output is correct
44 Correct 9 ms 10120 KB Output is correct
45 Correct 6 ms 9676 KB Output is correct
46 Correct 502 ms 47736 KB Output is correct
47 Correct 317 ms 57852 KB Output is correct
48 Correct 416 ms 46324 KB Output is correct
49 Correct 477 ms 47796 KB Output is correct
50 Correct 449 ms 46620 KB Output is correct
51 Correct 468 ms 47736 KB Output is correct
52 Correct 469 ms 46740 KB Output is correct
53 Correct 516 ms 48404 KB Output is correct
54 Correct 455 ms 49416 KB Output is correct
55 Correct 442 ms 47296 KB Output is correct
56 Correct 482 ms 48068 KB Output is correct
57 Correct 614 ms 51560 KB Output is correct
58 Correct 375 ms 54636 KB Output is correct
59 Correct 644 ms 55288 KB Output is correct
60 Correct 6 ms 9696 KB Output is correct
61 Correct 558 ms 50380 KB Output is correct
62 Correct 341 ms 57168 KB Output is correct
63 Correct 440 ms 49020 KB Output is correct
64 Correct 499 ms 50372 KB Output is correct
65 Correct 502 ms 49092 KB Output is correct
66 Correct 509 ms 50332 KB Output is correct
67 Correct 491 ms 49088 KB Output is correct
68 Correct 557 ms 51060 KB Output is correct
69 Correct 524 ms 51920 KB Output is correct
70 Correct 470 ms 49476 KB Output is correct
71 Correct 528 ms 51016 KB Output is correct
72 Correct 639 ms 54288 KB Output is correct
73 Correct 447 ms 55644 KB Output is correct
74 Correct 713 ms 59544 KB Output is correct