oj.uz

Submission #918415

# Submission time Handle Problem Language Result Execution time Memory
918415 2024-01-29T19:43:32 Z amirhoseinfar1385 Designated Cities (JOI19_designated_cities) C++17
23 / 100
 236 ms 32632 KB 
#include<bits/stdc++.h>
using namespace std;
const long long maxn=2000+10;
struct yal{
	long long u,v,wu,wv,jam;
	long long getad(long long fu){
		if(fu==u){
			return v;
		}
		return u;
	}
	long long getval(long long fu){
		if(fu==u){
			return wu;
		}
		return wv;
	}
}alle[maxn];
vector<long long>adj[maxn];
long long resr[maxn][maxn],kaf=0,res[maxn],suma,n,cnt=0,val[maxn];

set<pair<long long,long long>>dp[maxn];
void merge(long long u,long long v){
	long long fu=u;
	if((long long)dp[u].size()<(long long)dp[v].size()){
		swap(u,v);
	}
	for(auto x:dp[v]){
		dp[u].insert(x);
	}
	if(fu!=u){
		swap(dp[fu],dp[u]);
	}
}
 
long long dfs(long long u,long long p=-1,long long len=0){
//	dp[u].clear();
//	if(p!=-1){
//		dp[u].insert(make_pair(0,u));
//	}
	val[u]=0;
	long long mx=0,rt=u;
	for(auto x:adj[u]){
		long long v=alle[x].getad(u);
		if(v!=p){
			kaf+=alle[x].getval(u);
			int z=dfs(v,u,alle[x].getval(v));
		//	merge(u,v);
			if(val[z]>=mx){
				rt=z;
				mx=val[z];
			}			
		}
	}
//	auto x=*dp[u].rbegin();
//	dp[u].erase(x);
//	x.first+=len;
//	dp[u].insert(x);
	val[rt]+=len;
	return rt;
}


void solve(long long u){
	kaf=0;
	dfs(u);
	resr[u][0]=kaf;
	vector<long long>tof;
	for(int i=1;i<=n;i++){
		tof.push_back(val[i]);
	}
	sort(tof.begin(),tof.end());
	for(long long i=1;i<=n;i++){
		resr[u][i]=resr[u][i-1];
		if((long long)tof.size()>0){
			resr[u][i]+=(tof.back());
			tof.pop_back();
		}
		res[i]=max(res[i],resr[u][i-1]);
	}
}

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>n;
	for(long long i=0;i<n-1;i++){
		cin>>alle[i].u>>alle[i].v>>alle[i].wv>>alle[i].wu;
		alle[i].jam=alle[i].wu+alle[i].wv;
		suma+=alle[i].wu+alle[i].wv;
		adj[alle[i].u].push_back(i);
		adj[alle[i].v].push_back(i);
	}
	for(long long i=1;i<=n;i++){
		solve(i);
	}
	for(long long i=1;i<=n;i++){
		long long f=1;
		for(long long j=2;j<=n;j++){
			if(resr[i][j-1]!=res[j]){
				f=0;
			}
		}
		if(f){
			cnt++;
		}
	}
	if(cnt==0){
    	assert(0);
	}
	long long q;
	cin>>q;
	for(long long i=1;i<=n;i++){
		res[i]=suma-res[i];
	}
	for(long long i=0;i<q;i++){
		long long d;
		cin>>d;
		cout<<res[d]<<"\n";
	}
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Runtime error 1 ms 860 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Runtime error 1 ms 860 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 0 ms 604 KB Output is correct
13 Correct 199 ms 32084 KB Output is correct
14 Correct 129 ms 32336 KB Output is correct
15 Correct 197 ms 32076 KB Output is correct
16 Correct 214 ms 32272 KB Output is correct
17 Correct 189 ms 32080 KB Output is correct
18 Correct 206 ms 32076 KB Output is correct
19 Correct 192 ms 32080 KB Output is correct
20 Correct 202 ms 32084 KB Output is correct
21 Correct 201 ms 32104 KB Output is correct
22 Correct 180 ms 32080 KB Output is correct
23 Correct 236 ms 32088 KB Output is correct
24 Correct 215 ms 32076 KB Output is correct
25 Correct 142 ms 32340 KB Output is correct
26 Correct 222 ms 32632 KB Output is correct

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Runtime error 1 ms 860 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #6
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Runtime error 1 ms 860 KB Execution killed with signal 11
14 Halted 0 ms 0 KB -