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Submission #934239

# Submission time Handle Problem Language Result Execution time Memory
934239 2024-02-27T03:24:39 Z tamir1 Magic Tree (CEOI19_magictree) C++14
49 / 100
 764 ms 795036 KB 
#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll n,m,k,p[100005],i,u,w,d,sum,c;
vector<ll> v[100005],de;
pair<ll,ll> fruit[100005];
vector<vector<ll>> a;
map<ll,ll> mp;
map<ll,ll> ::iterator it;
multiset<ll> s;
multiset<ll> ::iterator is;
bool ar;
void dfs(ll x){
	ll d=fruit[x].first;
	ll w=fruit[x].second;
	d=mp[d];
	a[x][d]=w;
	for(int i:v[x]){
		dfs(i);
		for(int j=1;j<=k;j++){
			a[x][j]+=a[i][j];
		}
	}
	for(int i=2;i<=k;i++) a[x][i]=max(a[x][i-1],a[x][i]);
}
int main(){
	cin >> n >> m >> k;
	ar=true;
	for(i=2;i<=n;i++){
		cin >> p[i];
		if(i-1!=p[i]) ar=false;
		v[p[i]].push_back(i);
	}
	for(i=1;i<=m;i++){
		cin >> u >> d >> w;
		mp[d]=1;
		fruit[u]={d,w};
		sum+=w;
		c++;
		de.push_back(d);
	}
	if(ar==true){
		reverse(de.begin(),de.end());
		for(i=0;i<de.size();i++){
			is=s.upper_bound(de[i]);
			if(is!=s.end()) s.erase(is);
			s.insert(de[i]);
		}
		cout << s.size();
		return 0;
	}
	k=0;
	for(it=mp.begin();it!=mp.end();it++){
		k++;
		mp[it->first]=k;
	}
	if(k>1000){
		cout << sum;
		return 0;
	}
	a=vector<vector<ll>> (n+1,vector<ll> (k+1,0));
	dfs(1);
	cout << a[1][k];
}

Compilation message

magictree.cpp: In function 'int main()':
magictree.cpp:44:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   for(i=0;i<de.size();i++){
      |           ~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4464 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4544 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 2 ms 4444 KB Output is correct
9 Correct 2 ms 4444 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 9516 KB Output is correct
2 Correct 43 ms 9676 KB Output is correct
3 Correct 126 ms 13216 KB Output is correct
4 Correct 98 ms 12228 KB Output is correct
5 Correct 108 ms 12908 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 3 ms 4632 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 91 ms 14796 KB Output is correct
5 Correct 117 ms 19372 KB Output is correct
6 Correct 115 ms 15140 KB Output is correct

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 15180 KB Output is correct
2 Correct 96 ms 15048 KB Output is correct
3 Correct 90 ms 18888 KB Output is correct
4 Correct 71 ms 13620 KB Output is correct
5 Incorrect 95 ms 13000 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4464 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4544 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 2 ms 4444 KB Output is correct
9 Correct 2 ms 4444 KB Output is correct
10 Correct 106 ms 28592 KB Output is correct
11 Correct 95 ms 20856 KB Output is correct
12 Correct 101 ms 32464 KB Output is correct
13 Correct 79 ms 27120 KB Output is correct
14 Correct 78 ms 10568 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 119 ms 129620 KB Output is correct
2 Correct 665 ms 607848 KB Output is correct
3 Correct 601 ms 611156 KB Output is correct
4 Correct 748 ms 789844 KB Output is correct
5 Correct 696 ms 788164 KB Output is correct
6 Correct 764 ms 792404 KB Output is correct
7 Correct 732 ms 795036 KB Output is correct

Subtask #7
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4464 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4544 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 2 ms 4444 KB Output is correct
9 Correct 2 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 3 ms 4632 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 91 ms 14796 KB Output is correct
14 Correct 117 ms 19372 KB Output is correct
15 Correct 115 ms 15140 KB Output is correct
16 Correct 106 ms 28592 KB Output is correct
17 Correct 95 ms 20856 KB Output is correct
18 Correct 101 ms 32464 KB Output is correct
19 Correct 79 ms 27120 KB Output is correct
20 Correct 78 ms 10568 KB Output is correct
21 Incorrect 15 ms 5724 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #8
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4464 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4544 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 2 ms 4444 KB Output is correct
9 Correct 2 ms 4444 KB Output is correct
10 Correct 49 ms 9516 KB Output is correct
11 Correct 43 ms 9676 KB Output is correct
12 Correct 126 ms 13216 KB Output is correct
13 Correct 98 ms 12228 KB Output is correct
14 Correct 108 ms 12908 KB Output is correct
15 Correct 2 ms 4444 KB Output is correct
16 Correct 3 ms 4632 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 91 ms 14796 KB Output is correct
19 Correct 117 ms 19372 KB Output is correct
20 Correct 115 ms 15140 KB Output is correct
21 Correct 91 ms 15180 KB Output is correct
22 Correct 96 ms 15048 KB Output is correct
23 Correct 90 ms 18888 KB Output is correct
24 Correct 71 ms 13620 KB Output is correct
25 Incorrect 95 ms 13000 KB Output isn't correct
26 Halted 0 ms 0 KB -