oj.uz

Submission #109437

# Submission time Handle Problem Language Result Execution time Memory
109437 2019-05-06T14:17:15 Z amiratou Dreaming (IOI13_dreaming) C++14
24 / 100
 122 ms 16632 KB 
#include <bits/stdc++.h>
#include "dreaming.h"
using namespace std;
#define fi first
#define se second
#define INF (int)(1e9)
vector<vector<pair<int,int> > > vec;
bool vis[100005];
int maxi=0,a,idx=0;
vector<pair<int,int> > tree_d;
pair<int,int> p[100005],center[100005];
//vector<int> nodes;
void dfs(int node,int d){
	//nodes.push_back(node);
	if(d>maxi)
		a=node,maxi=d;
	vis[node]=1;
	for(auto child:vec[node])
		if(child.fi!=p[node].fi){
			vis[child.fi]=1;
			p[child.fi]={node,child.se};
			dfs(child.fi,d+child.se);
		}
}
pair<int,int> findCenter(int node){
	maxi=0;
	dfs(node,0);
	memset(p,-1,sizeof p);
	int B=a,sum=0,mini=INF,c=node,sh=INF;
	maxi=0;
	dfs(B,0);
	for(;a!=-1;sum+=p[a].se,a=p[a].fi){
		if(abs(maxi/2-sum)<mini)
			mini=abs(maxi/2-sum),c=a,sh=sum;
	}
	memset(p,-1,sizeof p);
	tree_d.push_back({maxi,idx});
	return {c,max(maxi-sh,0)};
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
	vec.resize(N+2);
	for (int i = 0; i < M; ++i)
	{
		vec[A[i]].push_back({B[i],T[i]});
		vec[B[i]].push_back({A[i],T[i]});
	}
	for (int i = 0; i < N; ++i)
		if(!vis[i])
			center[idx++]=findCenter(i);
	sort(tree_d.begin(),tree_d.end(),greater<pair<int,int> >());
	for (int i = 1; i < idx; ++i)
	{
		//cout<<center[tree_d[i].se].fi<<" "<<center[tree_d[0].se].fi<<"\n";
		vec[center[tree_d[i].se].fi].push_back({center[tree_d[0].se].fi,L});
		vec[center[tree_d[0].se].fi].push_back({center[tree_d[i].se].fi,L});
	}
	maxi=0;
	memset(p,-1,sizeof p);
	dfs(0,0);
	//nodes.clear();
	int b=a;
	memset(p,-1,sizeof p);
	maxi=0;
	dfs(b,0);
    return maxi;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 11512 KB Output is correct
2 Correct 71 ms 11584 KB Output is correct
3 Correct 48 ms 7928 KB Output is correct
4 Correct 11 ms 2688 KB Output is correct
5 Correct 9 ms 2048 KB Output is correct
6 Correct 17 ms 3456 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 32 ms 4984 KB Output is correct
9 Correct 40 ms 6392 KB Output is correct
10 Correct 3 ms 1152 KB Output is correct
11 Correct 57 ms 8056 KB Output is correct
12 Correct 97 ms 9848 KB Output is correct
13 Correct 3 ms 1152 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 11512 KB Output is correct
2 Correct 71 ms 11584 KB Output is correct
3 Correct 48 ms 7928 KB Output is correct
4 Correct 11 ms 2688 KB Output is correct
5 Correct 9 ms 2048 KB Output is correct
6 Correct 17 ms 3456 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 32 ms 4984 KB Output is correct
9 Correct 40 ms 6392 KB Output is correct
10 Correct 3 ms 1152 KB Output is correct
11 Correct 57 ms 8056 KB Output is correct
12 Correct 97 ms 9848 KB Output is correct
13 Correct 3 ms 1152 KB Output is correct
14 Correct 3 ms 1152 KB Output is correct
15 Correct 3 ms 1152 KB Output is correct
16 Correct 3 ms 1152 KB Output is correct
17 Correct 3 ms 1152 KB Output is correct
18 Correct 3 ms 1152 KB Output is correct
19 Correct 3 ms 1152 KB Output is correct
20 Correct 3 ms 1152 KB Output is correct
21 Correct 3 ms 1152 KB Output is correct
22 Correct 3 ms 1152 KB Output is correct
23 Correct 3 ms 1152 KB Output is correct
24 Correct 3 ms 1152 KB Output is correct
25 Correct 2 ms 1152 KB Output is correct
26 Correct 3 ms 1152 KB Output is correct
27 Correct 3 ms 1152 KB Output is correct
28 Correct 3 ms 1152 KB Output is correct
29 Correct 3 ms 1152 KB Output is correct
30 Correct 3 ms 1152 KB Output is correct
31 Correct 2 ms 1152 KB Output is correct
32 Correct 3 ms 1152 KB Output is correct
33 Correct 3 ms 1152 KB Output is correct
34 Correct 2 ms 1152 KB Output is correct
35 Correct 3 ms 1152 KB Output is correct
36 Correct 3 ms 1152 KB Output is correct
37 Correct 3 ms 1152 KB Output is correct
38 Correct 3 ms 1152 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 11512 KB Output is correct
2 Correct 71 ms 11584 KB Output is correct
3 Correct 48 ms 7928 KB Output is correct
4 Correct 11 ms 2688 KB Output is correct
5 Correct 9 ms 2048 KB Output is correct
6 Correct 17 ms 3456 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 32 ms 4984 KB Output is correct
9 Correct 40 ms 6392 KB Output is correct
10 Correct 3 ms 1152 KB Output is correct
11 Correct 57 ms 8056 KB Output is correct
12 Correct 97 ms 9848 KB Output is correct
13 Correct 3 ms 1152 KB Output is correct
14 Correct 3 ms 1152 KB Output is correct
15 Correct 3 ms 1152 KB Output is correct
16 Correct 3 ms 1152 KB Output is correct
17 Correct 3 ms 1152 KB Output is correct
18 Correct 3 ms 1152 KB Output is correct
19 Correct 3 ms 1152 KB Output is correct
20 Correct 3 ms 1152 KB Output is correct
21 Correct 3 ms 1152 KB Output is correct
22 Correct 3 ms 1152 KB Output is correct
23 Correct 3 ms 1152 KB Output is correct
24 Correct 3 ms 1152 KB Output is correct
25 Correct 2 ms 1152 KB Output is correct
26 Correct 3 ms 1152 KB Output is correct
27 Correct 3 ms 1152 KB Output is correct
28 Correct 3 ms 1152 KB Output is correct
29 Correct 3 ms 1152 KB Output is correct
30 Correct 3 ms 1152 KB Output is correct
31 Correct 2 ms 1152 KB Output is correct
32 Correct 3 ms 1152 KB Output is correct
33 Correct 3 ms 1152 KB Output is correct
34 Correct 2 ms 1152 KB Output is correct
35 Correct 3 ms 1152 KB Output is correct
36 Correct 3 ms 1152 KB Output is correct
37 Correct 3 ms 1152 KB Output is correct
38 Correct 3 ms 1152 KB Output is correct
39 Correct 97 ms 11640 KB Output is correct
40 Correct 69 ms 11512 KB Output is correct
41 Correct 44 ms 7928 KB Output is correct
42 Correct 11 ms 2688 KB Output is correct
43 Correct 3 ms 1152 KB Output is correct
44 Correct 3 ms 1152 KB Output is correct
45 Correct 3 ms 1152 KB Output is correct
46 Correct 3 ms 1152 KB Output is correct
47 Correct 3 ms 1152 KB Output is correct
48 Correct 2 ms 1152 KB Output is correct
49 Correct 3 ms 1152 KB Output is correct
50 Correct 3 ms 1152 KB Output is correct
51 Correct 3 ms 1152 KB Output is correct
52 Correct 3 ms 1152 KB Output is correct
53 Correct 2 ms 1152 KB Output is correct
54 Correct 4 ms 1152 KB Output is correct
55 Correct 2 ms 1152 KB Output is correct
56 Correct 3 ms 1152 KB Output is correct
57 Correct 91 ms 8760 KB Output is correct
58 Correct 87 ms 8700 KB Output is correct
59 Correct 122 ms 8696 KB Output is correct
60 Correct 80 ms 8696 KB Output is correct
61 Correct 84 ms 8568 KB Output is correct
62 Correct 69 ms 8568 KB Output is correct
63 Correct 72 ms 8440 KB Output is correct
64 Runtime error 76 ms 16632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 24 ms 11136 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 11512 KB Output is correct
2 Correct 71 ms 11584 KB Output is correct
3 Correct 48 ms 7928 KB Output is correct
4 Correct 11 ms 2688 KB Output is correct
5 Correct 9 ms 2048 KB Output is correct
6 Correct 17 ms 3456 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 32 ms 4984 KB Output is correct
9 Correct 40 ms 6392 KB Output is correct
10 Correct 3 ms 1152 KB Output is correct
11 Correct 57 ms 8056 KB Output is correct
12 Correct 97 ms 9848 KB Output is correct
13 Correct 3 ms 1152 KB Output is correct
14 Runtime error 8 ms 2304 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 11512 KB Output is correct
2 Correct 71 ms 11584 KB Output is correct
3 Correct 48 ms 7928 KB Output is correct
4 Correct 11 ms 2688 KB Output is correct
5 Correct 9 ms 2048 KB Output is correct
6 Correct 17 ms 3456 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 32 ms 4984 KB Output is correct
9 Correct 40 ms 6392 KB Output is correct
10 Correct 3 ms 1152 KB Output is correct
11 Correct 57 ms 8056 KB Output is correct
12 Correct 97 ms 9848 KB Output is correct
13 Correct 3 ms 1152 KB Output is correct
14 Correct 3 ms 1152 KB Output is correct
15 Correct 3 ms 1152 KB Output is correct
16 Correct 3 ms 1152 KB Output is correct
17 Correct 3 ms 1152 KB Output is correct
18 Correct 3 ms 1152 KB Output is correct
19 Correct 3 ms 1152 KB Output is correct
20 Correct 3 ms 1152 KB Output is correct
21 Correct 3 ms 1152 KB Output is correct
22 Correct 3 ms 1152 KB Output is correct
23 Correct 3 ms 1152 KB Output is correct
24 Correct 3 ms 1152 KB Output is correct
25 Correct 2 ms 1152 KB Output is correct
26 Correct 3 ms 1152 KB Output is correct
27 Correct 3 ms 1152 KB Output is correct
28 Correct 3 ms 1152 KB Output is correct
29 Correct 3 ms 1152 KB Output is correct
30 Correct 3 ms 1152 KB Output is correct
31 Correct 2 ms 1152 KB Output is correct
32 Correct 3 ms 1152 KB Output is correct
33 Correct 3 ms 1152 KB Output is correct
34 Correct 2 ms 1152 KB Output is correct
35 Correct 3 ms 1152 KB Output is correct
36 Correct 3 ms 1152 KB Output is correct
37 Correct 3 ms 1152 KB Output is correct
38 Correct 3 ms 1152 KB Output is correct
39 Correct 97 ms 11640 KB Output is correct
40 Correct 69 ms 11512 KB Output is correct
41 Correct 44 ms 7928 KB Output is correct
42 Correct 11 ms 2688 KB Output is correct
43 Correct 3 ms 1152 KB Output is correct
44 Correct 3 ms 1152 KB Output is correct
45 Correct 3 ms 1152 KB Output is correct
46 Correct 3 ms 1152 KB Output is correct
47 Correct 3 ms 1152 KB Output is correct
48 Correct 2 ms 1152 KB Output is correct
49 Correct 3 ms 1152 KB Output is correct
50 Correct 3 ms 1152 KB Output is correct
51 Correct 3 ms 1152 KB Output is correct
52 Correct 3 ms 1152 KB Output is correct
53 Correct 2 ms 1152 KB Output is correct
54 Correct 4 ms 1152 KB Output is correct
55 Correct 2 ms 1152 KB Output is correct
56 Correct 3 ms 1152 KB Output is correct
57 Correct 91 ms 8760 KB Output is correct
58 Correct 87 ms 8700 KB Output is correct
59 Correct 122 ms 8696 KB Output is correct
60 Correct 80 ms 8696 KB Output is correct
61 Correct 84 ms 8568 KB Output is correct
62 Correct 69 ms 8568 KB Output is correct
63 Correct 72 ms 8440 KB Output is correct
64 Runtime error 76 ms 16632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Halted 0 ms 0 KB -