oj.uz

Submission #1038149

# Submission time Handle Problem Language Result Execution time Memory
1038149 2024-07-29T13:32:12 Z elotelo966 Race (IOI11_race) C++17
21 / 100
 143 ms 23888 KB 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,avx2,fma")
#include <race.h>
#include <bits/stdc++.h>
using namespace std;
 
//#define int long long
#define OYY LLONG_MAX
#define mod 998244353
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define FOR for(int i=1;i<=n;i++)
#define mid (start+end)/2
#define lim 100005
#define fi first
#define se second

typedef long long lo;

map<int,int> mp;

vector<pair<int,int>> noww;

vector<pair<int,int>> v[lim];

int x[lim],y[lim],l[lim];

int removed[lim],sub_tree[lim];

lo cev=LLONG_MAX,k;

inline int find_size(int node,int ata){
	sub_tree[node]=1;
	for(auto go:v[node]){
		if(go.fi==ata || removed[go.fi])continue;
		find_size(go.fi,node);
		sub_tree[node]+=sub_tree[go.fi];
	}
	return sub_tree[node];
}

inline int find_centroid(int node,int ata,int cur_size){
	for(auto go:v[node]){
		if(go.fi==ata || removed[go.fi])continue;
		if(sub_tree[go.fi]*2>cur_size)return find_centroid(go.fi,node,cur_size);
	}
	return node;
}

inline void dfs(int node,int ata,int cur,int sayac){
	if(cur>k)return ;
	noww.push_back({cur,sayac});
	for(auto go:v[node]){
		if(go.fi==ata || removed[go.fi])continue;
		dfs(go.fi,node,cur+go.se,sayac+1);
	}
}

inline void solve(int node){
	mp.clear();
	mp[0]=0;
	for(auto go:v[node]){
		if(removed[go.fi])continue;
		noww.clear();
		dfs(go.fi,node,go.se,1);
		for(auto x:noww){
			if(mp.find(k-x.fi)==mp.end()){
				continue;
			}
			cev=min(cev,(lo)mp[k-x.fi]+x.se);
		}
		for(auto x:noww){
			if(mp.find(x.fi)==mp.end())mp[x.fi]=x.se;
			else mp[x.fi]=min(mp[x.fi],x.se);
		}
	}
}

inline void build(int node){
	int cur_size=find_size(node,-1);
	int cur_centroid=find_centroid(node,-1,cur_size);
	removed[cur_centroid]=1;
	solve(cur_centroid);
	for(auto go:v[cur_centroid]){
		if(removed[go.fi])continue;
		build(go.fi);
	}
}

int best_path(int N, int K, int H[][2], int L[])
{
	int n=N;
	k=K;
	FOR{
		if(i==1)continue;
		x[i]=H[i-2][0];
		y[i]=H[i-2][1];
		l[i]=L[i-2];
		v[x[i]].push_back({y[i],l[i]});
		v[y[i]].push_back({x[i],l[i]});
	}
	
	build(0);
	
	if(cev==LLONG_MAX)return -1;
	else return cev;
}

/*

int32_t main(){
	faster
	int n;cin>>n>>k;
	FOR{
		if(i==1)continue;
		cin>>x[i]>>y[i];
	}
	
	FOR{
		if(i==1)continue;
		cin>>l[i];
		v[x[i]].push_back({y[i],l[i]});
		v[y[i]].push_back({x[i],l[i]});
	}
	
	build(1);
	
	if(cev==LLONG_MAX)cout<<-1<<'\n';
	else cout<<cev<<'\n';
	
	return 0;
}*/

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8540 KB Output is correct
2 Correct 3 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8348 KB Output is correct
5 Correct 2 ms 8284 KB Output is correct
6 Correct 2 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 2 ms 8284 KB Output is correct
10 Correct 3 ms 8284 KB Output is correct
11 Correct 2 ms 8284 KB Output is correct
12 Correct 2 ms 8284 KB Output is correct
13 Correct 2 ms 8284 KB Output is correct
14 Correct 2 ms 8284 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 2 ms 8284 KB Output is correct
17 Correct 2 ms 8280 KB Output is correct
18 Correct 2 ms 8424 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8540 KB Output is correct
2 Correct 3 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8348 KB Output is correct
5 Correct 2 ms 8284 KB Output is correct
6 Correct 2 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 2 ms 8284 KB Output is correct
10 Correct 3 ms 8284 KB Output is correct
11 Correct 2 ms 8284 KB Output is correct
12 Correct 2 ms 8284 KB Output is correct
13 Correct 2 ms 8284 KB Output is correct
14 Correct 2 ms 8284 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 2 ms 8284 KB Output is correct
17 Correct 2 ms 8280 KB Output is correct
18 Correct 2 ms 8424 KB Output is correct
19 Correct 2 ms 8284 KB Output is correct
20 Correct 2 ms 8284 KB Output is correct
21 Correct 4 ms 8424 KB Output is correct
22 Correct 3 ms 8284 KB Output is correct
23 Correct 3 ms 8284 KB Output is correct
24 Correct 3 ms 8284 KB Output is correct
25 Correct 3 ms 8284 KB Output is correct
26 Correct 2 ms 8284 KB Output is correct
27 Correct 2 ms 8284 KB Output is correct
28 Correct 3 ms 8284 KB Output is correct
29 Correct 3 ms 8280 KB Output is correct
30 Correct 3 ms 8284 KB Output is correct
31 Correct 3 ms 8284 KB Output is correct
32 Correct 3 ms 8284 KB Output is correct
33 Correct 4 ms 8540 KB Output is correct
34 Correct 3 ms 8284 KB Output is correct
35 Correct 2 ms 8284 KB Output is correct
36 Correct 2 ms 8284 KB Output is correct
37 Correct 3 ms 8284 KB Output is correct
38 Correct 3 ms 8284 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8540 KB Output is correct
2 Correct 3 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8348 KB Output is correct
5 Correct 2 ms 8284 KB Output is correct
6 Correct 2 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 2 ms 8284 KB Output is correct
10 Correct 3 ms 8284 KB Output is correct
11 Correct 2 ms 8284 KB Output is correct
12 Correct 2 ms 8284 KB Output is correct
13 Correct 2 ms 8284 KB Output is correct
14 Correct 2 ms 8284 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 2 ms 8284 KB Output is correct
17 Correct 2 ms 8280 KB Output is correct
18 Correct 2 ms 8424 KB Output is correct
19 Correct 128 ms 15192 KB Output is correct
20 Correct 143 ms 15244 KB Output is correct
21 Correct 137 ms 15576 KB Output is correct
22 Correct 114 ms 15712 KB Output is correct
23 Correct 50 ms 15444 KB Output is correct
24 Correct 57 ms 15336 KB Output is correct
25 Correct 93 ms 16504 KB Output is correct
26 Correct 66 ms 18900 KB Output is correct
27 Runtime error 40 ms 23888 KB Execution killed with signal 11
28 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8540 KB Output is correct
2 Correct 3 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8348 KB Output is correct
5 Correct 2 ms 8284 KB Output is correct
6 Correct 2 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 2 ms 8284 KB Output is correct
10 Correct 3 ms 8284 KB Output is correct
11 Correct 2 ms 8284 KB Output is correct
12 Correct 2 ms 8284 KB Output is correct
13 Correct 2 ms 8284 KB Output is correct
14 Correct 2 ms 8284 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 2 ms 8284 KB Output is correct
17 Correct 2 ms 8280 KB Output is correct
18 Correct 2 ms 8424 KB Output is correct
19 Correct 2 ms 8284 KB Output is correct
20 Correct 2 ms 8284 KB Output is correct
21 Correct 4 ms 8424 KB Output is correct
22 Correct 3 ms 8284 KB Output is correct
23 Correct 3 ms 8284 KB Output is correct
24 Correct 3 ms 8284 KB Output is correct
25 Correct 3 ms 8284 KB Output is correct
26 Correct 2 ms 8284 KB Output is correct
27 Correct 2 ms 8284 KB Output is correct
28 Correct 3 ms 8284 KB Output is correct
29 Correct 3 ms 8280 KB Output is correct
30 Correct 3 ms 8284 KB Output is correct
31 Correct 3 ms 8284 KB Output is correct
32 Correct 3 ms 8284 KB Output is correct
33 Correct 4 ms 8540 KB Output is correct
34 Correct 3 ms 8284 KB Output is correct
35 Correct 2 ms 8284 KB Output is correct
36 Correct 2 ms 8284 KB Output is correct
37 Correct 3 ms 8284 KB Output is correct
38 Correct 3 ms 8284 KB Output is correct
39 Correct 128 ms 15192 KB Output is correct
40 Correct 143 ms 15244 KB Output is correct
41 Correct 137 ms 15576 KB Output is correct
42 Correct 114 ms 15712 KB Output is correct
43 Correct 50 ms 15444 KB Output is correct
44 Correct 57 ms 15336 KB Output is correct
45 Correct 93 ms 16504 KB Output is correct
46 Correct 66 ms 18900 KB Output is correct
47 Runtime error 40 ms 23888 KB Execution killed with signal 11
48 Halted 0 ms 0 KB -