oj.uz

답안 #417229

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
417229 2021-06-03T13:35:13 Z huangqr Worst Reporter 4 (JOI21_worst_reporter4) C++14
14 / 100
 2000 ms 58800 KB 
#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 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:25:23: 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]
   25 |    if(vv.back().size()>maxsz){
      |       ~~~~~~~~~~~~~~~~^~~~~~
worst_reporter2.cpp:31:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |   for(int i=0;i<adjl[pos].size();i++){
      |               ~^~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5016 KB Output is correct
2 Correct 3 ms 5012 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 10 ms 5708 KB Output is correct
6 Correct 9 ms 5328 KB Output is correct
7 Correct 8 ms 5324 KB Output is correct
8 Correct 11 ms 5804 KB Output is correct
9 Correct 8 ms 5324 KB Output is correct
10 Correct 8 ms 5324 KB Output is correct
11 Correct 7 ms 5284 KB Output is correct
12 Correct 34 ms 6484 KB Output is correct
13 Correct 9 ms 6432 KB Output is correct
14 Correct 28 ms 5924 KB Output is correct
15 Correct 16 ms 5900 KB Output is correct
16 Correct 11 ms 5728 KB Output is correct
17 Correct 9 ms 5328 KB Output is correct
18 Correct 6 ms 5196 KB Output is correct
19 Correct 185 ms 6268 KB Output is correct
20 Correct 15 ms 5836 KB Output is correct
21 Correct 7 ms 5796 KB Output is correct
22 Correct 8 ms 6372 KB Output is correct
23 Correct 7 ms 6092 KB Output is correct
24 Correct 354 ms 6348 KB Output is correct
25 Correct 16 ms 6348 KB Output is correct
26 Correct 667 ms 6988 KB Output is correct
27 Correct 117 ms 6160 KB Output is correct
28 Correct 236 ms 6400 KB Output is correct
29 Correct 391 ms 6672 KB Output is correct
30 Correct 284 ms 6420 KB Output is correct
31 Correct 286 ms 6592 KB Output is correct

Subtask #2
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5016 KB Output is correct
2 Correct 3 ms 5012 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 10 ms 5708 KB Output is correct
6 Correct 9 ms 5328 KB Output is correct
7 Correct 8 ms 5324 KB Output is correct
8 Correct 11 ms 5804 KB Output is correct
9 Correct 8 ms 5324 KB Output is correct
10 Correct 8 ms 5324 KB Output is correct
11 Correct 7 ms 5284 KB Output is correct
12 Correct 34 ms 6484 KB Output is correct
13 Correct 9 ms 6432 KB Output is correct
14 Correct 28 ms 5924 KB Output is correct
15 Correct 16 ms 5900 KB Output is correct
16 Correct 11 ms 5728 KB Output is correct
17 Correct 9 ms 5328 KB Output is correct
18 Correct 6 ms 5196 KB Output is correct
19 Correct 185 ms 6268 KB Output is correct
20 Correct 15 ms 5836 KB Output is correct
21 Correct 7 ms 5796 KB Output is correct
22 Correct 8 ms 6372 KB Output is correct
23 Correct 7 ms 6092 KB Output is correct
24 Correct 354 ms 6348 KB Output is correct
25 Correct 16 ms 6348 KB Output is correct
26 Correct 667 ms 6988 KB Output is correct
27 Correct 117 ms 6160 KB Output is correct
28 Correct 236 ms 6400 KB Output is correct
29 Correct 391 ms 6672 KB Output is correct
30 Correct 284 ms 6420 KB Output is correct
31 Correct 286 ms 6592 KB Output is correct
32 Correct 10 ms 5744 KB Output is correct
33 Correct 478 ms 31672 KB Output is correct
34 Correct 322 ms 13044 KB Output is correct
35 Correct 512 ms 31644 KB Output is correct
36 Correct 356 ms 12716 KB Output is correct
37 Correct 278 ms 12252 KB Output is correct
38 Correct 253 ms 12364 KB Output is correct
39 Execution timed out 2070 ms 58800 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5016 KB Output is correct
2 Correct 3 ms 5012 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 10 ms 5708 KB Output is correct
6 Correct 9 ms 5328 KB Output is correct
7 Correct 8 ms 5324 KB Output is correct
8 Correct 11 ms 5804 KB Output is correct
9 Correct 8 ms 5324 KB Output is correct
10 Correct 8 ms 5324 KB Output is correct
11 Correct 7 ms 5284 KB Output is correct
12 Correct 34 ms 6484 KB Output is correct
13 Correct 9 ms 6432 KB Output is correct
14 Correct 28 ms 5924 KB Output is correct
15 Correct 16 ms 5900 KB Output is correct
16 Correct 11 ms 5728 KB Output is correct
17 Correct 9 ms 5328 KB Output is correct
18 Correct 6 ms 5196 KB Output is correct
19 Correct 185 ms 6268 KB Output is correct
20 Correct 15 ms 5836 KB Output is correct
21 Correct 7 ms 5796 KB Output is correct
22 Correct 8 ms 6372 KB Output is correct
23 Correct 7 ms 6092 KB Output is correct
24 Correct 354 ms 6348 KB Output is correct
25 Correct 16 ms 6348 KB Output is correct
26 Correct 667 ms 6988 KB Output is correct
27 Correct 117 ms 6160 KB Output is correct
28 Correct 236 ms 6400 KB Output is correct
29 Correct 391 ms 6672 KB Output is correct
30 Correct 284 ms 6420 KB Output is correct
31 Correct 286 ms 6592 KB Output is correct
32 Correct 10 ms 5744 KB Output is correct
33 Correct 478 ms 31672 KB Output is correct
34 Correct 322 ms 13044 KB Output is correct
35 Correct 512 ms 31644 KB Output is correct
36 Correct 356 ms 12716 KB Output is correct
37 Correct 278 ms 12252 KB Output is correct
38 Correct 253 ms 12364 KB Output is correct
39 Execution timed out 2070 ms 58800 KB Time limit exceeded
40 Halted 0 ms 0 KB -