oj.uz

답안 #109435

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
109435 2019-05-06T14:09:20 Z amiratou 꿈 (IOI13_dreaming) C++14
24 / 100
 107 ms 17652 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);
	for(auto i:nodes)
		p[i]={-1,-1};
	nodes.clear();
	int B=a,sum=0,mini=INF,c=node,sh=INF;
	maxi=0;
	dfs(B,0);
	nodes.clear();
	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;
	}
	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);
	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> >());
	/*int centroid=center[0].first,ans=tree_d[0].fi,max_d=0;
	for (int i = 0; i < idx-1; ++i)
	{
		if(center[tree_d[i+1].se].se>center[tree_d[i].se].se)
			centroid=center[tree_d[i+1].se].fi;
		ans=max(ans,center[tree_d[i+1].se].se+center[tree_d[i].se].se+2);
	}*/
	for (int i = 1; i < idx; ++i)
	{
		vec[center[i].fi].push_back({center[0].fi,L});
		vec[center[0].fi].push_back({center[i].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

# 결과 실행 시간 메모리 Grader output
1 Correct 64 ms 12020 KB Output is correct
2 Correct 72 ms 12020 KB Output is correct
3 Correct 41 ms 8308 KB Output is correct
4 Correct 10 ms 2816 KB Output is correct
5 Correct 9 ms 2176 KB Output is correct
6 Correct 17 ms 3584 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 32 ms 5376 KB Output is correct
9 Correct 46 ms 6776 KB Output is correct
10 Correct 3 ms 1280 KB Output is correct
11 Correct 67 ms 8696 KB Output is correct
12 Correct 72 ms 10224 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 64 ms 12020 KB Output is correct
2 Correct 72 ms 12020 KB Output is correct
3 Correct 41 ms 8308 KB Output is correct
4 Correct 10 ms 2816 KB Output is correct
5 Correct 9 ms 2176 KB Output is correct
6 Correct 17 ms 3584 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 32 ms 5376 KB Output is correct
9 Correct 46 ms 6776 KB Output is correct
10 Correct 3 ms 1280 KB Output is correct
11 Correct 67 ms 8696 KB Output is correct
12 Correct 72 ms 10224 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct
14 Correct 2 ms 1152 KB Output is correct
15 Correct 3 ms 1152 KB Output is correct
16 Correct 2 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 2 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 2 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 2 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 2 ms 1152 KB Output is correct
34 Correct 3 ms 1152 KB Output is correct
35 Correct 2 ms 1152 KB Output is correct
36 Correct 2 ms 1152 KB Output is correct
37 Correct 2 ms 1152 KB Output is correct
38 Correct 3 ms 1152 KB Output is correct

Subtask #3
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 64 ms 12020 KB Output is correct
2 Correct 72 ms 12020 KB Output is correct
3 Correct 41 ms 8308 KB Output is correct
4 Correct 10 ms 2816 KB Output is correct
5 Correct 9 ms 2176 KB Output is correct
6 Correct 17 ms 3584 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 32 ms 5376 KB Output is correct
9 Correct 46 ms 6776 KB Output is correct
10 Correct 3 ms 1280 KB Output is correct
11 Correct 67 ms 8696 KB Output is correct
12 Correct 72 ms 10224 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct
14 Correct 2 ms 1152 KB Output is correct
15 Correct 3 ms 1152 KB Output is correct
16 Correct 2 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 2 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 2 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 2 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 2 ms 1152 KB Output is correct
34 Correct 3 ms 1152 KB Output is correct
35 Correct 2 ms 1152 KB Output is correct
36 Correct 2 ms 1152 KB Output is correct
37 Correct 2 ms 1152 KB Output is correct
38 Correct 3 ms 1152 KB Output is correct
39 Correct 100 ms 12060 KB Output is correct
40 Correct 66 ms 11980 KB Output is correct
41 Correct 48 ms 8308 KB Output is correct
42 Correct 10 ms 2816 KB Output is correct
43 Correct 2 ms 1152 KB Output is correct
44 Correct 3 ms 1152 KB Output is correct
45 Correct 2 ms 1152 KB Output is correct
46 Correct 3 ms 1152 KB Output is correct
47 Correct 2 ms 1176 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 1148 KB Output is correct
51 Correct 2 ms 1152 KB Output is correct
52 Correct 2 ms 1152 KB Output is correct
53 Correct 2 ms 1152 KB Output is correct
54 Correct 3 ms 1152 KB Output is correct
55 Correct 3 ms 1152 KB Output is correct
56 Correct 3 ms 1152 KB Output is correct
57 Correct 85 ms 9336 KB Output is correct
58 Correct 84 ms 9332 KB Output is correct
59 Correct 89 ms 9332 KB Output is correct
60 Correct 107 ms 9332 KB Output is correct
61 Correct 87 ms 9204 KB Output is correct
62 Correct 94 ms 9208 KB Output is correct
63 Correct 85 ms 9080 KB Output is correct
64 Runtime error 72 ms 17652 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 23 ms 9712 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 64 ms 12020 KB Output is correct
2 Correct 72 ms 12020 KB Output is correct
3 Correct 41 ms 8308 KB Output is correct
4 Correct 10 ms 2816 KB Output is correct
5 Correct 9 ms 2176 KB Output is correct
6 Correct 17 ms 3584 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 32 ms 5376 KB Output is correct
9 Correct 46 ms 6776 KB Output is correct
10 Correct 3 ms 1280 KB Output is correct
11 Correct 67 ms 8696 KB Output is correct
12 Correct 72 ms 10224 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct
14 Runtime error 3 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 64 ms 12020 KB Output is correct
2 Correct 72 ms 12020 KB Output is correct
3 Correct 41 ms 8308 KB Output is correct
4 Correct 10 ms 2816 KB Output is correct
5 Correct 9 ms 2176 KB Output is correct
6 Correct 17 ms 3584 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 32 ms 5376 KB Output is correct
9 Correct 46 ms 6776 KB Output is correct
10 Correct 3 ms 1280 KB Output is correct
11 Correct 67 ms 8696 KB Output is correct
12 Correct 72 ms 10224 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct
14 Correct 2 ms 1152 KB Output is correct
15 Correct 3 ms 1152 KB Output is correct
16 Correct 2 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 2 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 2 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 2 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 2 ms 1152 KB Output is correct
34 Correct 3 ms 1152 KB Output is correct
35 Correct 2 ms 1152 KB Output is correct
36 Correct 2 ms 1152 KB Output is correct
37 Correct 2 ms 1152 KB Output is correct
38 Correct 3 ms 1152 KB Output is correct
39 Correct 100 ms 12060 KB Output is correct
40 Correct 66 ms 11980 KB Output is correct
41 Correct 48 ms 8308 KB Output is correct
42 Correct 10 ms 2816 KB Output is correct
43 Correct 2 ms 1152 KB Output is correct
44 Correct 3 ms 1152 KB Output is correct
45 Correct 2 ms 1152 KB Output is correct
46 Correct 3 ms 1152 KB Output is correct
47 Correct 2 ms 1176 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 1148 KB Output is correct
51 Correct 2 ms 1152 KB Output is correct
52 Correct 2 ms 1152 KB Output is correct
53 Correct 2 ms 1152 KB Output is correct
54 Correct 3 ms 1152 KB Output is correct
55 Correct 3 ms 1152 KB Output is correct
56 Correct 3 ms 1152 KB Output is correct
57 Correct 85 ms 9336 KB Output is correct
58 Correct 84 ms 9332 KB Output is correct
59 Correct 89 ms 9332 KB Output is correct
60 Correct 107 ms 9332 KB Output is correct
61 Correct 87 ms 9204 KB Output is correct
62 Correct 94 ms 9208 KB Output is correct
63 Correct 85 ms 9080 KB Output is correct
64 Runtime error 72 ms 17652 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Halted 0 ms 0 KB -