oj.uz

답안 #110462

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
110462 2019-05-10T21:15:59 Z ioilolcom 꿈 (IOI13_dreaming) C++17
42 / 100
 347 ms 26096 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 node, int pnode, int target,vector<int> &path){
	if(node == target) return 1;
	for(auto &i : adj[node]) {
		if(i.first == pnode) continue;
		if(fn(i.first, node, target,path) == 0) continue;
		path.push_back(i.first);
		return 1;
	}
	return 0;
}
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,0,e.x,path);
		path.push_back(s.x);
		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:37:6: warning: unused variable 'm' [-Wunused-variable]
  int m=M;
      ^

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 279 ms 26096 KB Output is correct
2 Correct 280 ms 25928 KB Output is correct
3 Correct 162 ms 17880 KB Output is correct
4 Correct 24 ms 6116 KB Output is correct
5 Correct 20 ms 4864 KB Output is correct
6 Correct 41 ms 7800 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 94 ms 11636 KB Output is correct
9 Correct 125 ms 14712 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 209 ms 18712 KB Output is correct
12 Correct 282 ms 22264 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 279 ms 26096 KB Output is correct
2 Correct 280 ms 25928 KB Output is correct
3 Correct 162 ms 17880 KB Output is correct
4 Correct 24 ms 6116 KB Output is correct
5 Correct 20 ms 4864 KB Output is correct
6 Correct 41 ms 7800 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 94 ms 11636 KB Output is correct
9 Correct 125 ms 14712 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 209 ms 18712 KB Output is correct
12 Correct 282 ms 22264 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 3 ms 2688 KB Output is correct
18 Correct 3 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 4 ms 2688 KB Output is correct
25 Correct 3 ms 2688 KB Output is correct
26 Correct 4 ms 2688 KB Output is correct
27 Correct 3 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 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

Subtask #3
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 279 ms 26096 KB Output is correct
2 Correct 280 ms 25928 KB Output is correct
3 Correct 162 ms 17880 KB Output is correct
4 Correct 24 ms 6116 KB Output is correct
5 Correct 20 ms 4864 KB Output is correct
6 Correct 41 ms 7800 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 94 ms 11636 KB Output is correct
9 Correct 125 ms 14712 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 209 ms 18712 KB Output is correct
12 Correct 282 ms 22264 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 3 ms 2688 KB Output is correct
18 Correct 3 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 4 ms 2688 KB Output is correct
25 Correct 3 ms 2688 KB Output is correct
26 Correct 4 ms 2688 KB Output is correct
27 Correct 3 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 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 277 ms 25940 KB Output is correct
40 Correct 262 ms 25964 KB Output is correct
41 Correct 160 ms 17784 KB Output is correct
42 Correct 42 ms 6136 KB Output is correct
43 Correct 5 ms 2688 KB Output is correct
44 Correct 4 ms 2684 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 5 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 302 ms 20600 KB Output is correct
58 Correct 338 ms 20600 KB Output is correct
59 Correct 289 ms 20472 KB Output is correct
60 Correct 347 ms 20464 KB Output is correct
61 Correct 304 ms 20344 KB Output is correct
62 Correct 318 ms 20472 KB Output is correct
63 Correct 294 ms 20216 KB Output is correct
64 Incorrect 257 ms 20296 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 93 ms 9336 KB Output is correct
2 Correct 92 ms 9464 KB Output is correct
3 Correct 92 ms 9336 KB Output is correct
4 Correct 95 ms 9464 KB Output is correct
5 Correct 88 ms 9336 KB Output is correct
6 Correct 92 ms 10052 KB Output is correct
7 Correct 87 ms 9720 KB Output is correct
8 Correct 85 ms 9208 KB Output is correct
9 Correct 87 ms 9332 KB Output is correct
10 Correct 92 ms 9724 KB Output is correct
11 Correct 4 ms 2688 KB Output is correct
12 Correct 11 ms 3452 KB Output is correct
13 Correct 11 ms 3456 KB Output is correct
14 Correct 11 ms 3452 KB Output is correct
15 Correct 10 ms 3456 KB Output is correct
16 Correct 12 ms 3580 KB Output is correct
17 Correct 10 ms 3452 KB Output is correct
18 Correct 11 ms 3580 KB Output is correct
19 Correct 11 ms 3452 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 11 ms 3452 KB Output is correct

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 279 ms 26096 KB Output is correct
2 Correct 280 ms 25928 KB Output is correct
3 Correct 162 ms 17880 KB Output is correct
4 Correct 24 ms 6116 KB Output is correct
5 Correct 20 ms 4864 KB Output is correct
6 Correct 41 ms 7800 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 94 ms 11636 KB Output is correct
9 Correct 125 ms 14712 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 209 ms 18712 KB Output is correct
12 Correct 282 ms 22264 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 5 ms 2816 KB Output is correct
18 Correct 6 ms 3072 KB Output is correct
19 Correct 7 ms 3200 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 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 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 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 3508 KB Output is correct
43 Correct 9 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 3192 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 3328 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 3200 KB Output is correct
55 Correct 8 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 2816 KB Output is correct
59 Correct 5 ms 2816 KB Output is correct
60 Correct 7 ms 3200 KB Output is correct
61 Correct 8 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 8 ms 3244 KB Output is correct
66 Correct 5 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 8 ms 3200 KB Output is correct
71 Correct 7 ms 3200 KB Output is correct
72 Correct 5 ms 2972 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 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 279 ms 26096 KB Output is correct
2 Correct 280 ms 25928 KB Output is correct
3 Correct 162 ms 17880 KB Output is correct
4 Correct 24 ms 6116 KB Output is correct
5 Correct 20 ms 4864 KB Output is correct
6 Correct 41 ms 7800 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 94 ms 11636 KB Output is correct
9 Correct 125 ms 14712 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 209 ms 18712 KB Output is correct
12 Correct 282 ms 22264 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 3 ms 2688 KB Output is correct
18 Correct 3 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 4 ms 2688 KB Output is correct
25 Correct 3 ms 2688 KB Output is correct
26 Correct 4 ms 2688 KB Output is correct
27 Correct 3 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 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 277 ms 25940 KB Output is correct
40 Correct 262 ms 25964 KB Output is correct
41 Correct 160 ms 17784 KB Output is correct
42 Correct 42 ms 6136 KB Output is correct
43 Correct 5 ms 2688 KB Output is correct
44 Correct 4 ms 2684 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 5 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 302 ms 20600 KB Output is correct
58 Correct 338 ms 20600 KB Output is correct
59 Correct 289 ms 20472 KB Output is correct
60 Correct 347 ms 20464 KB Output is correct
61 Correct 304 ms 20344 KB Output is correct
62 Correct 318 ms 20472 KB Output is correct
63 Correct 294 ms 20216 KB Output is correct
64 Incorrect 257 ms 20296 KB Output isn't correct
65 Halted 0 ms 0 KB -