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Submission #518934

# Submission time Handle Problem Language Result Execution time Memory
518934 2022-01-25T08:32:21 Z Keshi Worst Reporter 4 (JOI21_worst_reporter4) C++17
79 / 100
 407 ms 137812 KB 
//In the name of God
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int maxn = 2e5 + 100;
const int mod = 1e9 + 7;
const int inf = 1e9;

#define fast_io ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file_io freopen("input.txt", "r+", stdin);freopen("output.txt", "w+", stdout);
#define pb push_back
#define Mp make_pair
#define F first
#define S second
#define Sz(x) ll((x).size())
#define all(x) (x).begin(), (x).end()

ll pw(ll a, ll b){
	ll c = 1;
	while(b){
		if(b & 1) c = c * a % mod;
		a = a * a % mod;
		b >>= 1;
	}
	return c;
}

ll n, a[maxn], h[maxn], c[maxn], pp[maxn], ptr;
vector<int> g[maxn];
vector<int> vec;
set<pll> s[maxn];

void solve(int v){
	for(int u : g[v]){
		solve(u);
		if(Sz(s[u]) > Sz(s[v])) s[v].swap(s[u]);
		for(auto x : s[u]){
			s[v].insert(x);
		}
	}
/*	cout << "# " << v << "\n";
	for(auto i : s[v]){
		cout << "  " << i.F << " " << i.S << "\n";
	}
	cout << "! " << h[v] << " " << c[v] << "\n";*/
	auto it = s[v].lower_bound(Mp(h[v], inf));
	ll x = c[v];
	while(it != s[v].end() && pp[it -> S] <= x){
		x -= pp[it->S];
		it = s[v].erase(it);
	}
	if(it != s[v].end()){
		pp[it->S] -= x;
	}
	pp[ptr] = c[v];
	s[v].insert(Mp(h[v], ptr++));
	/*for(auto i : s[v]){
		cout << "  " << i.F << " " << i.S << "\n";
	}
	cout << "\n";*/
	return;
}

int main(){
	fast_io;
	
	cin >> n;
	ll sc = 0;
	for(int i = 1; i <= n; i++){
		cin >> a[i] >> h[i] >> c[i];
		vec.pb(h[i]);
		if(i != 1) g[a[i]].pb(i);
		sc += c[i];
	}
	sort(all(vec));
	vec.resize(unique(all(vec)) - vec.begin());
	for(int i = 1; i <= n; i++){
		h[i] = Sz(vec) - 1 - (lower_bound(all(vec), h[i]) - vec.begin());
	}
	solve(1);
	for(auto i : s[1]){
//		cout << i.F << " " << i.S << "\n";
		sc -= pp[i.S];
	}
	cout << sc << "\n";
	
	return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14412 KB Output is correct
2 Correct 8 ms 14408 KB Output is correct
3 Correct 9 ms 14412 KB Output is correct
4 Correct 9 ms 14412 KB Output is correct
5 Correct 13 ms 15764 KB Output is correct
6 Correct 13 ms 15784 KB Output is correct
7 Correct 13 ms 15700 KB Output is correct
8 Correct 15 ms 15828 KB Output is correct
9 Correct 19 ms 15840 KB Output is correct
10 Correct 13 ms 15824 KB Output is correct
11 Correct 12 ms 16044 KB Output is correct
12 Correct 11 ms 15564 KB Output is correct
13 Correct 11 ms 15588 KB Output is correct
14 Correct 11 ms 15184 KB Output is correct
15 Correct 11 ms 15156 KB Output is correct
16 Correct 22 ms 16084 KB Output is correct
17 Correct 17 ms 16212 KB Output is correct
18 Correct 16 ms 16596 KB Output is correct
19 Correct 12 ms 15444 KB Output is correct
20 Correct 13 ms 15448 KB Output is correct
21 Correct 11 ms 15480 KB Output is correct
22 Correct 11 ms 15316 KB Output is correct
23 Correct 12 ms 15316 KB Output is correct
24 Correct 12 ms 15444 KB Output is correct
25 Correct 17 ms 15464 KB Output is correct
26 Correct 10 ms 15584 KB Output is correct
27 Correct 11 ms 15444 KB Output is correct
28 Correct 11 ms 15576 KB Output is correct
29 Correct 15 ms 15700 KB Output is correct
30 Correct 14 ms 15572 KB Output is correct
31 Correct 11 ms 15688 KB Output is correct

Subtask #2
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14412 KB Output is correct
2 Correct 8 ms 14408 KB Output is correct
3 Correct 9 ms 14412 KB Output is correct
4 Correct 9 ms 14412 KB Output is correct
5 Correct 13 ms 15764 KB Output is correct
6 Correct 13 ms 15784 KB Output is correct
7 Correct 13 ms 15700 KB Output is correct
8 Correct 15 ms 15828 KB Output is correct
9 Correct 19 ms 15840 KB Output is correct
10 Correct 13 ms 15824 KB Output is correct
11 Correct 12 ms 16044 KB Output is correct
12 Correct 11 ms 15564 KB Output is correct
13 Correct 11 ms 15588 KB Output is correct
14 Correct 11 ms 15184 KB Output is correct
15 Correct 11 ms 15156 KB Output is correct
16 Correct 22 ms 16084 KB Output is correct
17 Correct 17 ms 16212 KB Output is correct
18 Correct 16 ms 16596 KB Output is correct
19 Correct 12 ms 15444 KB Output is correct
20 Correct 13 ms 15448 KB Output is correct
21 Correct 11 ms 15480 KB Output is correct
22 Correct 11 ms 15316 KB Output is correct
23 Correct 12 ms 15316 KB Output is correct
24 Correct 12 ms 15444 KB Output is correct
25 Correct 17 ms 15464 KB Output is correct
26 Correct 10 ms 15584 KB Output is correct
27 Correct 11 ms 15444 KB Output is correct
28 Correct 11 ms 15576 KB Output is correct
29 Correct 15 ms 15700 KB Output is correct
30 Correct 14 ms 15572 KB Output is correct
31 Correct 11 ms 15688 KB Output is correct
32 Correct 20 ms 15708 KB Output is correct
33 Correct 360 ms 84000 KB Output is correct
34 Correct 351 ms 83688 KB Output is correct
35 Correct 401 ms 81032 KB Output is correct
36 Correct 373 ms 83772 KB Output is correct
37 Correct 348 ms 85260 KB Output is correct
38 Correct 347 ms 95516 KB Output is correct
39 Correct 205 ms 60888 KB Output is correct
40 Correct 174 ms 60996 KB Output is correct
41 Correct 156 ms 63356 KB Output is correct
42 Correct 204 ms 46944 KB Output is correct
43 Correct 162 ms 46960 KB Output is correct
44 Correct 345 ms 109004 KB Output is correct
45 Correct 341 ms 109132 KB Output is correct
46 Correct 407 ms 137812 KB Output is correct
47 Correct 318 ms 56824 KB Output is correct
48 Correct 274 ms 56148 KB Output is correct
49 Correct 186 ms 57304 KB Output is correct
50 Correct 287 ms 51548 KB Output is correct
51 Correct 240 ms 51460 KB Output is correct
52 Correct 331 ms 57376 KB Output is correct
53 Correct 291 ms 56588 KB Output is correct
54 Correct 146 ms 61072 KB Output is correct
55 Correct 219 ms 58464 KB Output is correct
56 Correct 215 ms 64292 KB Output is correct
57 Correct 230 ms 67384 KB Output is correct
58 Correct 204 ms 65004 KB Output is correct
59 Correct 196 ms 65084 KB Output is correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14412 KB Output is correct
2 Correct 8 ms 14408 KB Output is correct
3 Correct 9 ms 14412 KB Output is correct
4 Correct 9 ms 14412 KB Output is correct
5 Correct 13 ms 15764 KB Output is correct
6 Correct 13 ms 15784 KB Output is correct
7 Correct 13 ms 15700 KB Output is correct
8 Correct 15 ms 15828 KB Output is correct
9 Correct 19 ms 15840 KB Output is correct
10 Correct 13 ms 15824 KB Output is correct
11 Correct 12 ms 16044 KB Output is correct
12 Correct 11 ms 15564 KB Output is correct
13 Correct 11 ms 15588 KB Output is correct
14 Correct 11 ms 15184 KB Output is correct
15 Correct 11 ms 15156 KB Output is correct
16 Correct 22 ms 16084 KB Output is correct
17 Correct 17 ms 16212 KB Output is correct
18 Correct 16 ms 16596 KB Output is correct
19 Correct 12 ms 15444 KB Output is correct
20 Correct 13 ms 15448 KB Output is correct
21 Correct 11 ms 15480 KB Output is correct
22 Correct 11 ms 15316 KB Output is correct
23 Correct 12 ms 15316 KB Output is correct
24 Correct 12 ms 15444 KB Output is correct
25 Correct 17 ms 15464 KB Output is correct
26 Correct 10 ms 15584 KB Output is correct
27 Correct 11 ms 15444 KB Output is correct
28 Correct 11 ms 15576 KB Output is correct
29 Correct 15 ms 15700 KB Output is correct
30 Correct 14 ms 15572 KB Output is correct
31 Correct 11 ms 15688 KB Output is correct
32 Correct 20 ms 15708 KB Output is correct
33 Correct 360 ms 84000 KB Output is correct
34 Correct 351 ms 83688 KB Output is correct
35 Correct 401 ms 81032 KB Output is correct
36 Correct 373 ms 83772 KB Output is correct
37 Correct 348 ms 85260 KB Output is correct
38 Correct 347 ms 95516 KB Output is correct
39 Correct 205 ms 60888 KB Output is correct
40 Correct 174 ms 60996 KB Output is correct
41 Correct 156 ms 63356 KB Output is correct
42 Correct 204 ms 46944 KB Output is correct
43 Correct 162 ms 46960 KB Output is correct
44 Correct 345 ms 109004 KB Output is correct
45 Correct 341 ms 109132 KB Output is correct
46 Correct 407 ms 137812 KB Output is correct
47 Correct 318 ms 56824 KB Output is correct
48 Correct 274 ms 56148 KB Output is correct
49 Correct 186 ms 57304 KB Output is correct
50 Correct 287 ms 51548 KB Output is correct
51 Correct 240 ms 51460 KB Output is correct
52 Correct 331 ms 57376 KB Output is correct
53 Correct 291 ms 56588 KB Output is correct
54 Correct 146 ms 61072 KB Output is correct
55 Correct 219 ms 58464 KB Output is correct
56 Correct 215 ms 64292 KB Output is correct
57 Correct 230 ms 67384 KB Output is correct
58 Correct 204 ms 65004 KB Output is correct
59 Correct 196 ms 65084 KB Output is correct
60 Correct 8 ms 14416 KB Output is correct
61 Incorrect 8 ms 14412 KB Output isn't correct
62 Halted 0 ms 0 KB -