oj.uz

답안 #110456

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
110456 2019-05-10T21:09:31 Z ioilolcom 꿈 (IOI13_dreaming) C++14
42 / 100
 380 ms 27384 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 pnode, int dep, pair <int, int> &ret){
	vis[node] = 1;
	if(dep > ret.second)
		ret = make_pair(node, dep);
	for(auto &i : adj[node])
		if(i.first != pnode)
			dfs(i.first, node, dep + i.second, ret);
}
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());

	if(szz==2) {
		//        lol=max(lol,radius[0]+radius[1]+l);
		return max(d,radius[0]+radius[1]+l);
	}
	return max(d,max(radius[0]+radius[1]+l,radius[1]+radius[2]+2*l));


}

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:35:6: warning: unused variable 'm' [-Wunused-variable]
  int m=M;
      ^

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 262 ms 27380 KB Output is correct
2 Correct 284 ms 27248 KB Output is correct
3 Correct 159 ms 18808 KB Output is correct
4 Correct 24 ms 6400 KB Output is correct
5 Correct 23 ms 4864 KB Output is correct
6 Correct 46 ms 8164 KB Output is correct
7 Correct 4 ms 2816 KB Output is correct
8 Correct 113 ms 11864 KB Output is correct
9 Correct 161 ms 15264 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 230 ms 19320 KB Output is correct
12 Correct 322 ms 23416 KB Output is correct
13 Correct 5 ms 2944 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 262 ms 27380 KB Output is correct
2 Correct 284 ms 27248 KB Output is correct
3 Correct 159 ms 18808 KB Output is correct
4 Correct 24 ms 6400 KB Output is correct
5 Correct 23 ms 4864 KB Output is correct
6 Correct 46 ms 8164 KB Output is correct
7 Correct 4 ms 2816 KB Output is correct
8 Correct 113 ms 11864 KB Output is correct
9 Correct 161 ms 15264 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 230 ms 19320 KB Output is correct
12 Correct 322 ms 23416 KB Output is correct
13 Correct 5 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 2732 KB Output is correct
18 Correct 4 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 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 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 3 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 3 ms 2688 KB Output is correct
32 Correct 4 ms 2688 KB Output is correct
33 Correct 3 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 3 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

# 결과 실행 시간 메모리 Grader output
1 Correct 262 ms 27380 KB Output is correct
2 Correct 284 ms 27248 KB Output is correct
3 Correct 159 ms 18808 KB Output is correct
4 Correct 24 ms 6400 KB Output is correct
5 Correct 23 ms 4864 KB Output is correct
6 Correct 46 ms 8164 KB Output is correct
7 Correct 4 ms 2816 KB Output is correct
8 Correct 113 ms 11864 KB Output is correct
9 Correct 161 ms 15264 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 230 ms 19320 KB Output is correct
12 Correct 322 ms 23416 KB Output is correct
13 Correct 5 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 2732 KB Output is correct
18 Correct 4 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 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 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 3 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 3 ms 2688 KB Output is correct
32 Correct 4 ms 2688 KB Output is correct
33 Correct 3 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 3 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 282 ms 27288 KB Output is correct
40 Correct 304 ms 27384 KB Output is correct
41 Correct 141 ms 18808 KB Output is correct
42 Correct 24 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 3 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 4 ms 2816 KB Output is correct
57 Correct 333 ms 20528 KB Output is correct
58 Correct 306 ms 20472 KB Output is correct
59 Correct 345 ms 20472 KB Output is correct
60 Correct 380 ms 20700 KB Output is correct
61 Correct 341 ms 20340 KB Output is correct
62 Correct 299 ms 20344 KB Output is correct
63 Correct 311 ms 20180 KB Output is correct
64 Incorrect 297 ms 20164 KB Output isn't correct
65 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 68 ms 9340 KB Output is correct
2 Correct 72 ms 9420 KB Output is correct
3 Correct 68 ms 9464 KB Output is correct
4 Correct 72 ms 9464 KB Output is correct
5 Correct 75 ms 9408 KB Output is correct
6 Correct 85 ms 10012 KB Output is correct
7 Correct 75 ms 9720 KB Output is correct
8 Correct 70 ms 9336 KB Output is correct
9 Correct 66 ms 9204 KB Output is correct
10 Correct 77 ms 9592 KB Output is correct
11 Correct 4 ms 2660 KB Output is correct
12 Correct 7 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 7 ms 3456 KB Output is correct
16 Correct 7 ms 3452 KB Output is correct
17 Correct 6 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 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 9 ms 3452 KB Output is correct

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 262 ms 27380 KB Output is correct
2 Correct 284 ms 27248 KB Output is correct
3 Correct 159 ms 18808 KB Output is correct
4 Correct 24 ms 6400 KB Output is correct
5 Correct 23 ms 4864 KB Output is correct
6 Correct 46 ms 8164 KB Output is correct
7 Correct 4 ms 2816 KB Output is correct
8 Correct 113 ms 11864 KB Output is correct
9 Correct 161 ms 15264 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 230 ms 19320 KB Output is correct
12 Correct 322 ms 23416 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 7 ms 3200 KB Output is correct
17 Correct 4 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 5 ms 2816 KB Output is correct
21 Correct 6 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 3 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 3 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 3 ms 2688 KB Output is correct
39 Correct 4 ms 2688 KB Output is correct
40 Correct 4 ms 2688 KB Output is correct
41 Correct 3 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 5 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 5 ms 2944 KB Output is correct
49 Correct 4 ms 2944 KB Output is correct
50 Correct 6 ms 3200 KB Output is correct
51 Correct 8 ms 3200 KB Output is correct
52 Correct 4 ms 2816 KB Output is correct
53 Correct 5 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 8 ms 3200 KB Output is correct
62 Correct 8 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 3196 KB Output is correct
66 Correct 5 ms 2944 KB Output is correct
67 Correct 6 ms 2816 KB Output is correct
68 Correct 4 ms 2816 KB Output is correct
69 Correct 4 ms 2764 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 8 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

# 결과 실행 시간 메모리 Grader output
1 Correct 262 ms 27380 KB Output is correct
2 Correct 284 ms 27248 KB Output is correct
3 Correct 159 ms 18808 KB Output is correct
4 Correct 24 ms 6400 KB Output is correct
5 Correct 23 ms 4864 KB Output is correct
6 Correct 46 ms 8164 KB Output is correct
7 Correct 4 ms 2816 KB Output is correct
8 Correct 113 ms 11864 KB Output is correct
9 Correct 161 ms 15264 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 230 ms 19320 KB Output is correct
12 Correct 322 ms 23416 KB Output is correct
13 Correct 5 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 2732 KB Output is correct
18 Correct 4 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 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 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 3 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 3 ms 2688 KB Output is correct
32 Correct 4 ms 2688 KB Output is correct
33 Correct 3 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 3 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 282 ms 27288 KB Output is correct
40 Correct 304 ms 27384 KB Output is correct
41 Correct 141 ms 18808 KB Output is correct
42 Correct 24 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 3 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 4 ms 2816 KB Output is correct
57 Correct 333 ms 20528 KB Output is correct
58 Correct 306 ms 20472 KB Output is correct
59 Correct 345 ms 20472 KB Output is correct
60 Correct 380 ms 20700 KB Output is correct
61 Correct 341 ms 20340 KB Output is correct
62 Correct 299 ms 20344 KB Output is correct
63 Correct 311 ms 20180 KB Output is correct
64 Incorrect 297 ms 20164 KB Output isn't correct
65 Halted 0 ms 0 KB -