oj.uz

Submission #532821

# Submission time Handle Problem Language Result Execution time Memory
532821 2022-03-04T02:50:24 Z fhvirus Worst Reporter 4 (JOI21_worst_reporter4) C++17
79 / 100
 326 ms 96592 KB 
// Knapsack DP is harder than FFT.
#include<bits/stdc++.h>
using namespace std;
typedef long long ll; typedef pair<int,int> pii;
#define ff first
#define ss second
#define pb emplace_back
#define AI(x) begin(x),end(x)
#ifdef OWO
#define debug(args...) SDF(#args, args)
#define OIU(args...) ostream& operator<<(ostream&O,args)
#define LKJ(S,B,E,F) template<class...T>OIU(S<T...>s){O<<B;int c=0;for(auto i:s)O<<(c++?", ":"")<<F;return O<<E;}
LKJ(vector,'[',']',i)LKJ(deque,'[',']',i)LKJ(set,'{','}',i)LKJ(multiset,'{','}',i)LKJ(unordered_set,'{','}',i)LKJ(map,'{','}',i.ff<<':'<<i.ss)LKJ(unordered_map,'{','}',i.ff<<':'<<i.ss)
template<class...T>void SDF(const char* s,T...a){int c=sizeof...(T);if(!c){cerr<<"\033[1;32mvoid\033[0m\n";return;}(cerr<<"\033[1;32m("<<s<<") = (",...,(cerr<<a<<(--c?", ":")\033[0m\n")));}
template<class T,size_t N>OIU(array<T,N>a){return O<<vector<T>(AI(a));}template<class...T>OIU(pair<T...>p){return O<<'('<<p.ff<<','<<p.ss<<')';}template<class...T>OIU(tuple<T...>t){return O<<'(',apply([&O](T...s){int c=0;(...,(O<<(c++?", ":"")<<s));},t),O<<')';}
#else
#define debug(...) ((void)0)
#endif

const int kN = 200002;
int N, A[kN], H[kN], C[kN];

map<int, ll> dp[kN];

void add(map<int, ll>& mp, int pos, ll val) {
	mp[pos] += val;
	while (val > 0) {
		auto it = mp.lower_bound(pos);
		if (it == begin(mp)) break;
		it = prev(it);
		ll d = min(val, it->ss);
		val -= d;
		it->ss -= d;
		if (it->ss == 0) mp.erase(it);
	}
}
void merge(map<int, ll>& a, map<int, ll>& b) {
	if (a.size() < b.size()) swap(a, b);
	for (const auto& [pos, val]: b)
		a[pos] += val;
}

signed main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

	cin >> N;
	for (int i = 1; i <= N; ++i)
		cin >> A[i] >> H[i] >> C[i];

	for (int i = N; i > 1; --i) {
		add(dp[i], H[i], C[i]);
		merge(dp[A[i]], dp[i]);
	}
	add(dp[1], H[1], C[1]);

	ll ans = accumulate(C + 1, C + N + 1, 0ll);
	for (const auto& [pos, val]: dp[1])
		ans -= val;

	cout << ans << '\n';

	return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9676 KB Output is correct
2 Correct 6 ms 9664 KB Output is correct
3 Correct 5 ms 9604 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 10 ms 10888 KB Output is correct
6 Correct 8 ms 10356 KB Output is correct
7 Correct 8 ms 10232 KB Output is correct
8 Correct 11 ms 11016 KB Output is correct
9 Correct 8 ms 10444 KB Output is correct
10 Correct 7 ms 10188 KB Output is correct
11 Correct 6 ms 9992 KB Output is correct
12 Correct 8 ms 9860 KB Output is correct
13 Correct 8 ms 9856 KB Output is correct
14 Correct 8 ms 9932 KB Output is correct
15 Correct 7 ms 9872 KB Output is correct
16 Correct 13 ms 11212 KB Output is correct
17 Correct 8 ms 10628 KB Output is correct
18 Correct 8 ms 9984 KB Output is correct
19 Correct 8 ms 10188 KB Output is correct
20 Correct 8 ms 10060 KB Output is correct
21 Correct 7 ms 9988 KB Output is correct
22 Correct 8 ms 10444 KB Output is correct
23 Correct 8 ms 10120 KB Output is correct
24 Correct 9 ms 10188 KB Output is correct
25 Correct 7 ms 10060 KB Output is correct
26 Correct 7 ms 9856 KB Output is correct
27 Correct 8 ms 10376 KB Output is correct
28 Correct 8 ms 10240 KB Output is correct
29 Correct 7 ms 10188 KB Output is correct
30 Correct 8 ms 10244 KB Output is correct
31 Correct 8 ms 10248 KB Output is correct

Subtask #2
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9676 KB Output is correct
2 Correct 6 ms 9664 KB Output is correct
3 Correct 5 ms 9604 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 10 ms 10888 KB Output is correct
6 Correct 8 ms 10356 KB Output is correct
7 Correct 8 ms 10232 KB Output is correct
8 Correct 11 ms 11016 KB Output is correct
9 Correct 8 ms 10444 KB Output is correct
10 Correct 7 ms 10188 KB Output is correct
11 Correct 6 ms 9992 KB Output is correct
12 Correct 8 ms 9860 KB Output is correct
13 Correct 8 ms 9856 KB Output is correct
14 Correct 8 ms 9932 KB Output is correct
15 Correct 7 ms 9872 KB Output is correct
16 Correct 13 ms 11212 KB Output is correct
17 Correct 8 ms 10628 KB Output is correct
18 Correct 8 ms 9984 KB Output is correct
19 Correct 8 ms 10188 KB Output is correct
20 Correct 8 ms 10060 KB Output is correct
21 Correct 7 ms 9988 KB Output is correct
22 Correct 8 ms 10444 KB Output is correct
23 Correct 8 ms 10120 KB Output is correct
24 Correct 9 ms 10188 KB Output is correct
25 Correct 7 ms 10060 KB Output is correct
26 Correct 7 ms 9856 KB Output is correct
27 Correct 8 ms 10376 KB Output is correct
28 Correct 8 ms 10240 KB Output is correct
29 Correct 7 ms 10188 KB Output is correct
30 Correct 8 ms 10244 KB Output is correct
31 Correct 8 ms 10248 KB Output is correct
32 Correct 10 ms 10956 KB Output is correct
33 Correct 326 ms 83224 KB Output is correct
34 Correct 241 ms 53324 KB Output is correct
35 Correct 296 ms 81560 KB Output is correct
36 Correct 253 ms 53160 KB Output is correct
37 Correct 125 ms 28540 KB Output is correct
38 Correct 88 ms 23052 KB Output is correct
39 Correct 118 ms 17364 KB Output is correct
40 Correct 96 ms 17144 KB Output is correct
41 Correct 71 ms 17184 KB Output is correct
42 Correct 132 ms 17372 KB Output is correct
43 Correct 102 ms 17156 KB Output is correct
44 Correct 277 ms 96592 KB Output is correct
45 Correct 190 ms 60868 KB Output is correct
46 Correct 71 ms 23284 KB Output is correct
47 Correct 178 ms 30308 KB Output is correct
48 Correct 93 ms 23360 KB Output is correct
49 Correct 73 ms 23308 KB Output is correct
50 Correct 207 ms 41332 KB Output is correct
51 Correct 85 ms 28960 KB Output is correct
52 Correct 213 ms 30648 KB Output is correct
53 Correct 88 ms 23492 KB Output is correct
54 Correct 83 ms 17288 KB Output is correct
55 Correct 142 ms 34440 KB Output is correct
56 Correct 122 ms 29360 KB Output is correct
57 Correct 137 ms 28756 KB Output is correct
58 Correct 146 ms 35356 KB Output is correct
59 Correct 146 ms 35140 KB Output is correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9676 KB Output is correct
2 Correct 6 ms 9664 KB Output is correct
3 Correct 5 ms 9604 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 10 ms 10888 KB Output is correct
6 Correct 8 ms 10356 KB Output is correct
7 Correct 8 ms 10232 KB Output is correct
8 Correct 11 ms 11016 KB Output is correct
9 Correct 8 ms 10444 KB Output is correct
10 Correct 7 ms 10188 KB Output is correct
11 Correct 6 ms 9992 KB Output is correct
12 Correct 8 ms 9860 KB Output is correct
13 Correct 8 ms 9856 KB Output is correct
14 Correct 8 ms 9932 KB Output is correct
15 Correct 7 ms 9872 KB Output is correct
16 Correct 13 ms 11212 KB Output is correct
17 Correct 8 ms 10628 KB Output is correct
18 Correct 8 ms 9984 KB Output is correct
19 Correct 8 ms 10188 KB Output is correct
20 Correct 8 ms 10060 KB Output is correct
21 Correct 7 ms 9988 KB Output is correct
22 Correct 8 ms 10444 KB Output is correct
23 Correct 8 ms 10120 KB Output is correct
24 Correct 9 ms 10188 KB Output is correct
25 Correct 7 ms 10060 KB Output is correct
26 Correct 7 ms 9856 KB Output is correct
27 Correct 8 ms 10376 KB Output is correct
28 Correct 8 ms 10240 KB Output is correct
29 Correct 7 ms 10188 KB Output is correct
30 Correct 8 ms 10244 KB Output is correct
31 Correct 8 ms 10248 KB Output is correct
32 Correct 10 ms 10956 KB Output is correct
33 Correct 326 ms 83224 KB Output is correct
34 Correct 241 ms 53324 KB Output is correct
35 Correct 296 ms 81560 KB Output is correct
36 Correct 253 ms 53160 KB Output is correct
37 Correct 125 ms 28540 KB Output is correct
38 Correct 88 ms 23052 KB Output is correct
39 Correct 118 ms 17364 KB Output is correct
40 Correct 96 ms 17144 KB Output is correct
41 Correct 71 ms 17184 KB Output is correct
42 Correct 132 ms 17372 KB Output is correct
43 Correct 102 ms 17156 KB Output is correct
44 Correct 277 ms 96592 KB Output is correct
45 Correct 190 ms 60868 KB Output is correct
46 Correct 71 ms 23284 KB Output is correct
47 Correct 178 ms 30308 KB Output is correct
48 Correct 93 ms 23360 KB Output is correct
49 Correct 73 ms 23308 KB Output is correct
50 Correct 207 ms 41332 KB Output is correct
51 Correct 85 ms 28960 KB Output is correct
52 Correct 213 ms 30648 KB Output is correct
53 Correct 88 ms 23492 KB Output is correct
54 Correct 83 ms 17288 KB Output is correct
55 Correct 142 ms 34440 KB Output is correct
56 Correct 122 ms 29360 KB Output is correct
57 Correct 137 ms 28756 KB Output is correct
58 Correct 146 ms 35356 KB Output is correct
59 Correct 146 ms 35140 KB Output is correct
60 Correct 5 ms 9720 KB Output is correct
61 Incorrect 4 ms 9676 KB Output isn't correct
62 Halted 0 ms 0 KB -