oj.uz

Submission #110469

# Submission time Handle Problem Language Result Execution time Memory
110469 2019-05-10T21:27:51 Z ioilolcom Dreaming (IOI13_dreaming) C++14
42 / 100
 354 ms 27380 KB 
#include "dreaming.h"
#include <bits/stdc++.h>
#define y second
#define x  first
#define ll long long int
#define pb push_back
#define pii pair<int,int>
using namespace std;
const int N=1e5+7;
vector<pair<int,int> > adj[N];
bool vis[N];
void dfs(int node,int p,int length,pii &ans){
	vis[node]=1;
	for(auto vertice:adj[node]) {
		if(vertice.x==p) {
			continue;
		}
		dfs(vertice.x,node,length+vertice.y,ans);
	}
	if(length>ans.y) {
		ans.x=node;
		ans.y=length;
	}
}
bool fn(int s,int e,int p,vector<int> &path){
	if(s==e) {
		return true;
	}
	for(auto v:adj[s]) {
		if(v.x==p) continue;
		if(fn(v.x,e,s,path)) {
			path.push_back(v.x);
			return true;
		}
	}
	return false;
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
	int n=N;
	int m=M;
	int l=L;
	vector<int> radius;
	map<pair<int,int>,int> cost;
	for(int i=0; i<M; i++) {
		int u=A[i];
		int v=B[i];
		int w=T[i];
		adj[u].pb({v,w});
		adj[v].pb({u,w});
		cost[{u,v}]=cost[{v,u}]=w;
	}
	int ans=0;
	for(int i=0; i<n; i++) {
		if(vis[i]) continue;
		pii s={-1,-1};
		dfs(i,-1,0,s);
		pii e={-1,-1};
		dfs(s.first,-1,0,e);
		int diameter=e.y;
		vector<int> path;
		fn(s.x,e.x,0,path);
		int sz=(int)path.size();
		int rad=diameter;
		int cur=diameter;
		ans=max(ans,cur);
		for(int j=1; j<sz; j++) {
			cur-=cost[{path[j],path[j-1]}];
			rad=min(rad,max(diameter-cur,cur));
		}
		radius.push_back(rad);
	}
	int szz=(int)radius.size();
	sort(radius.rbegin(),radius.rend());
	if(szz>1) {
		ans=max(ans,radius[0]+radius[1]+l);
	}
	if(szz>2) ans=max(ans,radius[1]+radius[2]+2*l);
	return ans;

}

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:40:6: warning: unused variable 'm' [-Wunused-variable]
  int m=M;
      ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 278 ms 27380 KB Output is correct
2 Correct 289 ms 27256 KB Output is correct
3 Correct 144 ms 18780 KB Output is correct
4 Correct 24 ms 6392 KB Output is correct
5 Correct 21 ms 4992 KB Output is correct
6 Correct 39 ms 8184 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 105 ms 12020 KB Output is correct
9 Correct 143 ms 15352 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 222 ms 19468 KB Output is correct
12 Correct 274 ms 23416 KB Output is correct
13 Correct 4 ms 2944 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 278 ms 27380 KB Output is correct
2 Correct 289 ms 27256 KB Output is correct
3 Correct 144 ms 18780 KB Output is correct
4 Correct 24 ms 6392 KB Output is correct
5 Correct 21 ms 4992 KB Output is correct
6 Correct 39 ms 8184 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 105 ms 12020 KB Output is correct
9 Correct 143 ms 15352 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 222 ms 19468 KB Output is correct
12 Correct 274 ms 23416 KB Output is correct
13 Correct 4 ms 2944 KB Output is correct
14 Correct 4 ms 2688 KB Output is correct
15 Correct 4 ms 2688 KB Output is correct
16 Correct 4 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 3 ms 2688 KB Output is correct
19 Correct 4 ms 2688 KB Output is correct
20 Correct 4 ms 2688 KB Output is correct
21 Correct 3 ms 2688 KB Output is correct
22 Correct 4 ms 2688 KB Output is correct
23 Correct 4 ms 2688 KB Output is correct
24 Correct 4 ms 2688 KB Output is correct
25 Correct 4 ms 2688 KB Output is correct
26 Correct 4 ms 2688 KB Output is correct
27 Correct 4 ms 2688 KB Output is correct
28 Correct 4 ms 2688 KB Output is correct
29 Correct 4 ms 2688 KB Output is correct
30 Correct 4 ms 2688 KB Output is correct
31 Correct 4 ms 2688 KB Output is correct
32 Correct 4 ms 2688 KB Output is correct
33 Correct 4 ms 2688 KB Output is correct
34 Correct 4 ms 2688 KB Output is correct
35 Correct 4 ms 2688 KB Output is correct
36 Correct 4 ms 2688 KB Output is correct
37 Correct 3 ms 2688 KB Output is correct
38 Correct 4 ms 2688 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 278 ms 27380 KB Output is correct
2 Correct 289 ms 27256 KB Output is correct
3 Correct 144 ms 18780 KB Output is correct
4 Correct 24 ms 6392 KB Output is correct
5 Correct 21 ms 4992 KB Output is correct
6 Correct 39 ms 8184 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 105 ms 12020 KB Output is correct
9 Correct 143 ms 15352 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 222 ms 19468 KB Output is correct
12 Correct 274 ms 23416 KB Output is correct
13 Correct 4 ms 2944 KB Output is correct
14 Correct 4 ms 2688 KB Output is correct
15 Correct 4 ms 2688 KB Output is correct
16 Correct 4 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 3 ms 2688 KB Output is correct
19 Correct 4 ms 2688 KB Output is correct
20 Correct 4 ms 2688 KB Output is correct
21 Correct 3 ms 2688 KB Output is correct
22 Correct 4 ms 2688 KB Output is correct
23 Correct 4 ms 2688 KB Output is correct
24 Correct 4 ms 2688 KB Output is correct
25 Correct 4 ms 2688 KB Output is correct
26 Correct 4 ms 2688 KB Output is correct
27 Correct 4 ms 2688 KB Output is correct
28 Correct 4 ms 2688 KB Output is correct
29 Correct 4 ms 2688 KB Output is correct
30 Correct 4 ms 2688 KB Output is correct
31 Correct 4 ms 2688 KB Output is correct
32 Correct 4 ms 2688 KB Output is correct
33 Correct 4 ms 2688 KB Output is correct
34 Correct 4 ms 2688 KB Output is correct
35 Correct 4 ms 2688 KB Output is correct
36 Correct 4 ms 2688 KB Output is correct
37 Correct 3 ms 2688 KB Output is correct
38 Correct 4 ms 2688 KB Output is correct
39 Correct 281 ms 27380 KB Output is correct
40 Correct 286 ms 27228 KB Output is correct
41 Correct 157 ms 18808 KB Output is correct
42 Correct 24 ms 6272 KB Output is correct
43 Correct 4 ms 2688 KB Output is correct
44 Correct 4 ms 2688 KB Output is correct
45 Correct 4 ms 2688 KB Output is correct
46 Correct 4 ms 2816 KB Output is correct
47 Correct 4 ms 2688 KB Output is correct
48 Correct 4 ms 2688 KB Output is correct
49 Correct 4 ms 2688 KB Output is correct
50 Correct 4 ms 2688 KB Output is correct
51 Correct 3 ms 2688 KB Output is correct
52 Correct 4 ms 2688 KB Output is correct
53 Correct 4 ms 2688 KB Output is correct
54 Correct 4 ms 2688 KB Output is correct
55 Correct 3 ms 2688 KB Output is correct
56 Correct 4 ms 2688 KB Output is correct
57 Correct 353 ms 20528 KB Output is correct
58 Correct 322 ms 20472 KB Output is correct
59 Correct 328 ms 20600 KB Output is correct
60 Correct 354 ms 20484 KB Output is correct
61 Correct 304 ms 20380 KB Output is correct
62 Correct 345 ms 20480 KB Output is correct
63 Correct 304 ms 20104 KB Output is correct
64 Incorrect 321 ms 20168 KB Output isn't correct
65 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 9400 KB Output is correct
2 Correct 75 ms 9464 KB Output is correct
3 Correct 72 ms 9592 KB Output is correct
4 Correct 73 ms 9336 KB Output is correct
5 Correct 73 ms 9340 KB Output is correct
6 Correct 80 ms 10016 KB Output is correct
7 Correct 81 ms 9720 KB Output is correct
8 Correct 67 ms 9208 KB Output is correct
9 Correct 72 ms 9332 KB Output is correct
10 Correct 74 ms 9592 KB Output is correct
11 Correct 4 ms 2688 KB Output is correct
12 Correct 8 ms 3452 KB Output is correct
13 Correct 7 ms 3584 KB Output is correct
14 Correct 7 ms 3452 KB Output is correct
15 Correct 8 ms 3584 KB Output is correct
16 Correct 7 ms 3452 KB Output is correct
17 Correct 7 ms 3452 KB Output is correct
18 Correct 8 ms 3580 KB Output is correct
19 Correct 7 ms 3452 KB Output is correct
20 Correct 3 ms 2688 KB Output is correct
21 Correct 4 ms 2688 KB Output is correct
22 Correct 4 ms 2688 KB Output is correct
23 Correct 7 ms 3452 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 278 ms 27380 KB Output is correct
2 Correct 289 ms 27256 KB Output is correct
3 Correct 144 ms 18780 KB Output is correct
4 Correct 24 ms 6392 KB Output is correct
5 Correct 21 ms 4992 KB Output is correct
6 Correct 39 ms 8184 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 105 ms 12020 KB Output is correct
9 Correct 143 ms 15352 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 222 ms 19468 KB Output is correct
12 Correct 274 ms 23416 KB Output is correct
13 Correct 4 ms 2944 KB Output is correct
14 Correct 4 ms 2816 KB Output is correct
15 Correct 6 ms 2944 KB Output is correct
16 Correct 7 ms 3200 KB Output is correct
17 Correct 5 ms 2816 KB Output is correct
18 Correct 6 ms 2944 KB Output is correct
19 Correct 6 ms 3200 KB Output is correct
20 Correct 5 ms 2944 KB Output is correct
21 Correct 5 ms 3072 KB Output is correct
22 Correct 7 ms 3200 KB Output is correct
23 Correct 4 ms 2688 KB Output is correct
24 Correct 4 ms 2688 KB Output is correct
25 Correct 4 ms 2688 KB Output is correct
26 Correct 4 ms 2688 KB Output is correct
27 Correct 4 ms 2688 KB Output is correct
28 Correct 4 ms 2688 KB Output is correct
29 Correct 4 ms 2688 KB Output is correct
30 Correct 4 ms 2688 KB Output is correct
31 Correct 4 ms 2688 KB Output is correct
32 Correct 4 ms 2688 KB Output is correct
33 Correct 4 ms 2688 KB Output is correct
34 Correct 4 ms 2688 KB Output is correct
35 Correct 4 ms 2688 KB Output is correct
36 Correct 4 ms 2688 KB Output is correct
37 Correct 4 ms 2688 KB Output is correct
38 Correct 4 ms 2688 KB Output is correct
39 Correct 4 ms 2816 KB Output is correct
40 Correct 3 ms 2688 KB Output is correct
41 Correct 4 ms 2688 KB Output is correct
42 Correct 8 ms 3456 KB Output is correct
43 Correct 8 ms 3456 KB Output is correct
44 Correct 6 ms 2944 KB Output is correct
45 Correct 5 ms 2816 KB Output is correct
46 Correct 7 ms 3200 KB Output is correct
47 Correct 8 ms 3200 KB Output is correct
48 Correct 6 ms 3072 KB Output is correct
49 Correct 5 ms 2944 KB Output is correct
50 Correct 7 ms 3200 KB Output is correct
51 Correct 7 ms 3200 KB Output is correct
52 Correct 4 ms 2688 KB Output is correct
53 Correct 6 ms 3072 KB Output is correct
54 Correct 8 ms 3228 KB Output is correct
55 Correct 7 ms 3200 KB Output is correct
56 Correct 7 ms 3072 KB Output is correct
57 Correct 6 ms 3072 KB Output is correct
58 Correct 5 ms 2816 KB Output is correct
59 Correct 6 ms 2816 KB Output is correct
60 Correct 7 ms 3328 KB Output is correct
61 Correct 8 ms 3172 KB Output is correct
62 Correct 7 ms 3200 KB Output is correct
63 Correct 7 ms 3200 KB Output is correct
64 Correct 7 ms 3200 KB Output is correct
65 Correct 7 ms 3200 KB Output is correct
66 Correct 4 ms 2816 KB Output is correct
67 Correct 5 ms 2816 KB Output is correct
68 Correct 4 ms 2688 KB Output is correct
69 Correct 4 ms 2688 KB Output is correct
70 Correct 7 ms 3072 KB Output is correct
71 Correct 7 ms 3200 KB Output is correct
72 Correct 5 ms 2816 KB Output is correct
73 Correct 5 ms 2816 KB Output is correct
74 Correct 7 ms 3072 KB Output is correct
75 Correct 7 ms 3200 KB Output is correct
76 Incorrect 6 ms 3072 KB Output isn't correct
77 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 278 ms 27380 KB Output is correct
2 Correct 289 ms 27256 KB Output is correct
3 Correct 144 ms 18780 KB Output is correct
4 Correct 24 ms 6392 KB Output is correct
5 Correct 21 ms 4992 KB Output is correct
6 Correct 39 ms 8184 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 105 ms 12020 KB Output is correct
9 Correct 143 ms 15352 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 222 ms 19468 KB Output is correct
12 Correct 274 ms 23416 KB Output is correct
13 Correct 4 ms 2944 KB Output is correct
14 Correct 4 ms 2688 KB Output is correct
15 Correct 4 ms 2688 KB Output is correct
16 Correct 4 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 3 ms 2688 KB Output is correct
19 Correct 4 ms 2688 KB Output is correct
20 Correct 4 ms 2688 KB Output is correct
21 Correct 3 ms 2688 KB Output is correct
22 Correct 4 ms 2688 KB Output is correct
23 Correct 4 ms 2688 KB Output is correct
24 Correct 4 ms 2688 KB Output is correct
25 Correct 4 ms 2688 KB Output is correct
26 Correct 4 ms 2688 KB Output is correct
27 Correct 4 ms 2688 KB Output is correct
28 Correct 4 ms 2688 KB Output is correct
29 Correct 4 ms 2688 KB Output is correct
30 Correct 4 ms 2688 KB Output is correct
31 Correct 4 ms 2688 KB Output is correct
32 Correct 4 ms 2688 KB Output is correct
33 Correct 4 ms 2688 KB Output is correct
34 Correct 4 ms 2688 KB Output is correct
35 Correct 4 ms 2688 KB Output is correct
36 Correct 4 ms 2688 KB Output is correct
37 Correct 3 ms 2688 KB Output is correct
38 Correct 4 ms 2688 KB Output is correct
39 Correct 281 ms 27380 KB Output is correct
40 Correct 286 ms 27228 KB Output is correct
41 Correct 157 ms 18808 KB Output is correct
42 Correct 24 ms 6272 KB Output is correct
43 Correct 4 ms 2688 KB Output is correct
44 Correct 4 ms 2688 KB Output is correct
45 Correct 4 ms 2688 KB Output is correct
46 Correct 4 ms 2816 KB Output is correct
47 Correct 4 ms 2688 KB Output is correct
48 Correct 4 ms 2688 KB Output is correct
49 Correct 4 ms 2688 KB Output is correct
50 Correct 4 ms 2688 KB Output is correct
51 Correct 3 ms 2688 KB Output is correct
52 Correct 4 ms 2688 KB Output is correct
53 Correct 4 ms 2688 KB Output is correct
54 Correct 4 ms 2688 KB Output is correct
55 Correct 3 ms 2688 KB Output is correct
56 Correct 4 ms 2688 KB Output is correct
57 Correct 353 ms 20528 KB Output is correct
58 Correct 322 ms 20472 KB Output is correct
59 Correct 328 ms 20600 KB Output is correct
60 Correct 354 ms 20484 KB Output is correct
61 Correct 304 ms 20380 KB Output is correct
62 Correct 345 ms 20480 KB Output is correct
63 Correct 304 ms 20104 KB Output is correct
64 Incorrect 321 ms 20168 KB Output isn't correct
65 Halted 0 ms 0 KB -