oj.uz

Submission #417230

# Submission time Handle Problem Language Result Execution time Memory
417230 2021-06-03T13:38:26 Z huangqr Worst Reporter 4 (JOI21_worst_reporter4) C++14
14 / 100
 2000 ms 55224 KB 
#pragma GCC optimize("O3")
#ifdef local
#define debug(x) cout<<#x<<" "<<x<<endl;
#else
#define debug(x)
#endif
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pl;
const ll mod=1e9+7,lim=2e5+5,bitlim=15,inf=1e9;
vector<ll>adjl[lim];
ll pwr[lim],cost[lim];

map<ll,ll> dp(ll pos){
	map<ll,ll>ret;
	if(adjl[pos].size() == 0){
		ret[0] = 0;
		ret[pwr[pos] + 1] = cost[pos];
	}
	else{
		vector<map<ll,ll> >vv;
		ll maxsz=0,maxszidx=0;
		for(auto u:adjl[pos]){
			vv.push_back(dp(u));
			if(vv.back().size()>maxsz){
				maxsz=vv.back().size();
				maxszidx=vv.size()-1;
			}
		}
		ret = vv[maxszidx];
		for(int i=0;i<adjl[pos].size();i++){
			if(i==maxszidx)continue;
			for(auto p:vv[i]){
				ll k,v;
				tie(k,v)=p;
				ret[k]+=v;
			}
		}
		ret[0] += cost[pos];
		ret[pwr[pos] + 1] += cost[pos];
		auto it=ret.upper_bound(pwr[pos]);
		ll rem=cost[pos];
		while(rem>0){
			it--;
			if(rem<=it->second)it->second-=rem,rem=0;
			else rem-=it->second,it=ret.erase(it);
		}
	}
	return ret;
}

int __attribute__((optimize("O3"), target("arch=sandybridge"))) main(){
	ios_base::sync_with_stdio(0),cin.tie(NULL);
	ll n;
	cin>>n;
	for(int i=1;i<=n;i++){
		ll a;
		cin>>a>>pwr[i]>>cost[i];
		if(i!=a)adjl[a].push_back(i);
	}
	cout<<dp(1).begin()->second<<"\n";
	return 0;
}

Compilation message

worst_reporter2.cpp: In function 'std::map<long long int, long long int> dp(ll)':
worst_reporter2.cpp:26:23: warning: comparison of integer expressions of different signedness: 'std::map<long long int, long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   26 |    if(vv.back().size()>maxsz){
      |       ~~~~~~~~~~~~~~~~^~~~~~
worst_reporter2.cpp:32:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |   for(int i=0;i<adjl[pos].size();i++){
      |               ~^~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 5016 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 10 ms 5580 KB Output is correct
6 Correct 8 ms 5252 KB Output is correct
7 Correct 7 ms 5196 KB Output is correct
8 Correct 10 ms 5580 KB Output is correct
9 Correct 8 ms 5196 KB Output is correct
10 Correct 7 ms 5184 KB Output is correct
11 Correct 7 ms 5196 KB Output is correct
12 Correct 33 ms 6348 KB Output is correct
13 Correct 8 ms 6168 KB Output is correct
14 Correct 25 ms 5768 KB Output is correct
15 Correct 15 ms 5764 KB Output is correct
16 Correct 12 ms 5620 KB Output is correct
17 Correct 8 ms 5196 KB Output is correct
18 Correct 6 ms 5180 KB Output is correct
19 Correct 180 ms 5956 KB Output is correct
20 Correct 16 ms 5692 KB Output is correct
21 Correct 7 ms 5580 KB Output is correct
22 Correct 8 ms 6280 KB Output is correct
23 Correct 6 ms 6024 KB Output is correct
24 Correct 371 ms 6236 KB Output is correct
25 Correct 16 ms 6092 KB Output is correct
26 Correct 679 ms 6764 KB Output is correct
27 Correct 116 ms 6000 KB Output is correct
28 Correct 224 ms 6148 KB Output is correct
29 Correct 405 ms 6608 KB Output is correct
30 Correct 282 ms 6252 KB Output is correct
31 Correct 294 ms 6352 KB Output is correct

Subtask #2
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 5016 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 10 ms 5580 KB Output is correct
6 Correct 8 ms 5252 KB Output is correct
7 Correct 7 ms 5196 KB Output is correct
8 Correct 10 ms 5580 KB Output is correct
9 Correct 8 ms 5196 KB Output is correct
10 Correct 7 ms 5184 KB Output is correct
11 Correct 7 ms 5196 KB Output is correct
12 Correct 33 ms 6348 KB Output is correct
13 Correct 8 ms 6168 KB Output is correct
14 Correct 25 ms 5768 KB Output is correct
15 Correct 15 ms 5764 KB Output is correct
16 Correct 12 ms 5620 KB Output is correct
17 Correct 8 ms 5196 KB Output is correct
18 Correct 6 ms 5180 KB Output is correct
19 Correct 180 ms 5956 KB Output is correct
20 Correct 16 ms 5692 KB Output is correct
21 Correct 7 ms 5580 KB Output is correct
22 Correct 8 ms 6280 KB Output is correct
23 Correct 6 ms 6024 KB Output is correct
24 Correct 371 ms 6236 KB Output is correct
25 Correct 16 ms 6092 KB Output is correct
26 Correct 679 ms 6764 KB Output is correct
27 Correct 116 ms 6000 KB Output is correct
28 Correct 224 ms 6148 KB Output is correct
29 Correct 405 ms 6608 KB Output is correct
30 Correct 282 ms 6252 KB Output is correct
31 Correct 294 ms 6352 KB Output is correct
32 Correct 10 ms 5580 KB Output is correct
33 Correct 423 ms 31176 KB Output is correct
34 Correct 298 ms 12484 KB Output is correct
35 Correct 436 ms 31208 KB Output is correct
36 Correct 295 ms 12356 KB Output is correct
37 Correct 191 ms 11960 KB Output is correct
38 Correct 169 ms 11880 KB Output is correct
39 Execution timed out 2073 ms 55224 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 5016 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 10 ms 5580 KB Output is correct
6 Correct 8 ms 5252 KB Output is correct
7 Correct 7 ms 5196 KB Output is correct
8 Correct 10 ms 5580 KB Output is correct
9 Correct 8 ms 5196 KB Output is correct
10 Correct 7 ms 5184 KB Output is correct
11 Correct 7 ms 5196 KB Output is correct
12 Correct 33 ms 6348 KB Output is correct
13 Correct 8 ms 6168 KB Output is correct
14 Correct 25 ms 5768 KB Output is correct
15 Correct 15 ms 5764 KB Output is correct
16 Correct 12 ms 5620 KB Output is correct
17 Correct 8 ms 5196 KB Output is correct
18 Correct 6 ms 5180 KB Output is correct
19 Correct 180 ms 5956 KB Output is correct
20 Correct 16 ms 5692 KB Output is correct
21 Correct 7 ms 5580 KB Output is correct
22 Correct 8 ms 6280 KB Output is correct
23 Correct 6 ms 6024 KB Output is correct
24 Correct 371 ms 6236 KB Output is correct
25 Correct 16 ms 6092 KB Output is correct
26 Correct 679 ms 6764 KB Output is correct
27 Correct 116 ms 6000 KB Output is correct
28 Correct 224 ms 6148 KB Output is correct
29 Correct 405 ms 6608 KB Output is correct
30 Correct 282 ms 6252 KB Output is correct
31 Correct 294 ms 6352 KB Output is correct
32 Correct 10 ms 5580 KB Output is correct
33 Correct 423 ms 31176 KB Output is correct
34 Correct 298 ms 12484 KB Output is correct
35 Correct 436 ms 31208 KB Output is correct
36 Correct 295 ms 12356 KB Output is correct
37 Correct 191 ms 11960 KB Output is correct
38 Correct 169 ms 11880 KB Output is correct
39 Execution timed out 2073 ms 55224 KB Time limit exceeded
40 Halted 0 ms 0 KB -