oj.uz

Submission #110265

# Submission time Handle Problem Language Result Execution time Memory
110265 2019-05-10T11:12:38 Z icandoit Dreaming (IOI13_dreaming) C++14
42 / 100
 326 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 d=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;
           d=max(d,diameter);
            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();
        if(szz==1) return d;
         sort(radius.rbegin(),radius.rend());
     int lol=d;
           if(szz>=2){
           	  lol=max(lol,radius[0]+radius[1]+l);
           }
            if(szz>=3){
            	  lol=max(lol,radius[1]+radius[2]+2*l);
            }

	return lol;
}

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 282 ms 27380 KB Output is correct
2 Correct 266 ms 27256 KB Output is correct
3 Correct 162 ms 18896 KB Output is correct
4 Correct 25 ms 6392 KB Output is correct
5 Correct 20 ms 4864 KB Output is correct
6 Correct 42 ms 8192 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 104 ms 11892 KB Output is correct
9 Correct 146 ms 15356 KB Output is correct
10 Correct 5 ms 2816 KB Output is correct
11 Correct 234 ms 19448 KB Output is correct
12 Correct 270 ms 23528 KB Output is correct
13 Correct 5 ms 2944 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 282 ms 27380 KB Output is correct
2 Correct 266 ms 27256 KB Output is correct
3 Correct 162 ms 18896 KB Output is correct
4 Correct 25 ms 6392 KB Output is correct
5 Correct 20 ms 4864 KB Output is correct
6 Correct 42 ms 8192 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 104 ms 11892 KB Output is correct
9 Correct 146 ms 15356 KB Output is correct
10 Correct 5 ms 2816 KB Output is correct
11 Correct 234 ms 19448 KB Output is correct
12 Correct 270 ms 23528 KB Output is correct
13 Correct 5 ms 2944 KB Output is correct
14 Correct 4 ms 2816 KB Output is correct
15 Correct 4 ms 2688 KB Output is correct
16 Correct 3 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 4 ms 2688 KB Output is correct
19 Correct 3 ms 2688 KB Output is correct
20 Correct 4 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 4 ms 2688 KB Output is correct
24 Correct 3 ms 2688 KB Output is correct
25 Correct 4 ms 2688 KB Output is correct
26 Correct 4 ms 2816 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 3 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 3 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

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 282 ms 27380 KB Output is correct
2 Correct 266 ms 27256 KB Output is correct
3 Correct 162 ms 18896 KB Output is correct
4 Correct 25 ms 6392 KB Output is correct
5 Correct 20 ms 4864 KB Output is correct
6 Correct 42 ms 8192 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 104 ms 11892 KB Output is correct
9 Correct 146 ms 15356 KB Output is correct
10 Correct 5 ms 2816 KB Output is correct
11 Correct 234 ms 19448 KB Output is correct
12 Correct 270 ms 23528 KB Output is correct
13 Correct 5 ms 2944 KB Output is correct
14 Correct 4 ms 2816 KB Output is correct
15 Correct 4 ms 2688 KB Output is correct
16 Correct 3 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 4 ms 2688 KB Output is correct
19 Correct 3 ms 2688 KB Output is correct
20 Correct 4 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 4 ms 2688 KB Output is correct
24 Correct 3 ms 2688 KB Output is correct
25 Correct 4 ms 2688 KB Output is correct
26 Correct 4 ms 2816 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 3 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 3 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 258 ms 27316 KB Output is correct
40 Correct 256 ms 27260 KB Output is correct
41 Correct 159 ms 18808 KB Output is correct
42 Correct 25 ms 6400 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 2688 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 4 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 4 ms 2688 KB Output is correct
56 Correct 3 ms 2688 KB Output is correct
57 Correct 314 ms 20428 KB Output is correct
58 Correct 316 ms 20472 KB Output is correct
59 Correct 303 ms 20472 KB Output is correct
60 Correct 317 ms 20468 KB Output is correct
61 Correct 297 ms 20344 KB Output is correct
62 Correct 316 ms 20256 KB Output is correct
63 Correct 326 ms 20268 KB Output is correct
64 Incorrect 314 ms 20344 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 77 ms 9336 KB Output is correct
2 Correct 74 ms 9476 KB Output is correct
3 Correct 73 ms 9464 KB Output is correct
4 Correct 69 ms 9336 KB Output is correct
5 Correct 77 ms 9336 KB Output is correct
6 Correct 88 ms 10100 KB Output is correct
7 Correct 138 ms 9720 KB Output is correct
8 Correct 71 ms 9312 KB Output is correct
9 Correct 71 ms 9204 KB Output is correct
10 Correct 71 ms 9592 KB Output is correct
11 Correct 4 ms 2688 KB Output is correct
12 Correct 7 ms 3452 KB Output is correct
13 Correct 8 ms 3584 KB Output is correct
14 Correct 7 ms 3452 KB Output is correct
15 Correct 7 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 3 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 282 ms 27380 KB Output is correct
2 Correct 266 ms 27256 KB Output is correct
3 Correct 162 ms 18896 KB Output is correct
4 Correct 25 ms 6392 KB Output is correct
5 Correct 20 ms 4864 KB Output is correct
6 Correct 42 ms 8192 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 104 ms 11892 KB Output is correct
9 Correct 146 ms 15356 KB Output is correct
10 Correct 5 ms 2816 KB Output is correct
11 Correct 234 ms 19448 KB Output is correct
12 Correct 270 ms 23528 KB Output is correct
13 Correct 5 ms 2944 KB Output is correct
14 Correct 5 ms 2816 KB Output is correct
15 Correct 5 ms 2944 KB Output is correct
16 Correct 12 ms 3072 KB Output is correct
17 Correct 5 ms 2816 KB Output is correct
18 Correct 5 ms 2944 KB Output is correct
19 Correct 7 ms 3072 KB Output is correct
20 Correct 4 ms 2816 KB Output is correct
21 Correct 6 ms 2944 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 2684 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 2816 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 2688 KB Output is correct
40 Correct 7 ms 2816 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 3072 KB Output is correct
45 Correct 4 ms 2816 KB Output is correct
46 Correct 7 ms 3200 KB Output is correct
47 Correct 7 ms 3200 KB Output is correct
48 Correct 6 ms 2944 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 2816 KB Output is correct
53 Correct 6 ms 3072 KB Output is correct
54 Correct 7 ms 3200 KB Output is correct
55 Correct 7 ms 3200 KB Output is correct
56 Correct 6 ms 3072 KB Output is correct
57 Correct 6 ms 3072 KB Output is correct
58 Correct 5 ms 2944 KB Output is correct
59 Correct 5 ms 2944 KB Output is correct
60 Correct 7 ms 3200 KB Output is correct
61 Correct 7 ms 3200 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 5 ms 2944 KB Output is correct
67 Correct 5 ms 2944 KB Output is correct
68 Correct 4 ms 2816 KB Output is correct
69 Correct 4 ms 2688 KB Output is correct
70 Correct 7 ms 3200 KB Output is correct
71 Correct 7 ms 3200 KB Output is correct
72 Correct 5 ms 2944 KB Output is correct
73 Correct 4 ms 2816 KB Output is correct
74 Correct 6 ms 3072 KB Output is correct
75 Correct 7 ms 3200 KB Output is correct
76 Incorrect 7 ms 3200 KB Output isn't correct
77 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 282 ms 27380 KB Output is correct
2 Correct 266 ms 27256 KB Output is correct
3 Correct 162 ms 18896 KB Output is correct
4 Correct 25 ms 6392 KB Output is correct
5 Correct 20 ms 4864 KB Output is correct
6 Correct 42 ms 8192 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 104 ms 11892 KB Output is correct
9 Correct 146 ms 15356 KB Output is correct
10 Correct 5 ms 2816 KB Output is correct
11 Correct 234 ms 19448 KB Output is correct
12 Correct 270 ms 23528 KB Output is correct
13 Correct 5 ms 2944 KB Output is correct
14 Correct 4 ms 2816 KB Output is correct
15 Correct 4 ms 2688 KB Output is correct
16 Correct 3 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 4 ms 2688 KB Output is correct
19 Correct 3 ms 2688 KB Output is correct
20 Correct 4 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 4 ms 2688 KB Output is correct
24 Correct 3 ms 2688 KB Output is correct
25 Correct 4 ms 2688 KB Output is correct
26 Correct 4 ms 2816 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 3 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 3 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 258 ms 27316 KB Output is correct
40 Correct 256 ms 27260 KB Output is correct
41 Correct 159 ms 18808 KB Output is correct
42 Correct 25 ms 6400 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 2688 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 4 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 4 ms 2688 KB Output is correct
56 Correct 3 ms 2688 KB Output is correct
57 Correct 314 ms 20428 KB Output is correct
58 Correct 316 ms 20472 KB Output is correct
59 Correct 303 ms 20472 KB Output is correct
60 Correct 317 ms 20468 KB Output is correct
61 Correct 297 ms 20344 KB Output is correct
62 Correct 316 ms 20256 KB Output is correct
63 Correct 326 ms 20268 KB Output is correct
64 Incorrect 314 ms 20344 KB Output isn't correct
65 Halted 0 ms 0 KB -