답안 #224777

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
224777	2020-04-18T18:55:30 Z	nafis_shifat	꿈 (IOI13_dreaming)	C++14	47 / 100	230 ms	24028 KB

dreaming

#include "dreaming.h"
#include<bits/stdc++.h>
#define pii pair<int,int>
#define ll long long
using namespace std;
const int mxn=1e5+6;

vector<int> adj[mxn];
vector<int> cost[mxn];

int m1[mxn]={};
int m2[mxn]={};
int u1[mxn];

int ans=0;
int vis[mxn]={};
void dfs(int cur,int prev)
{
	vis[cur]=1;
	for(int i=0;i<adj[cur].size();i++)
	{
		int v=adj[cur][i];
		int c=cost[cur][i];
		if(v==prev)continue;

		dfs(v,cur);
		int k=m1[v]+c;

		if(k>m1[cur])
		{
			m2[cur]=m1[cur];
			m1[cur]=k;
			u1[cur]=v;
		}
		else if(k>m2[cur])
			m2[cur]=k;
		
		

	}
}
vector<int> v;
void calc(int cur,int prev,int cst)
{

	v.push_back(max(cst,m1[cur]));
	ans=max(ans,cst+m1[cur]);

	for(int i=0;i<adj[cur].size();i++)
	{
		int v=adj[cur][i];
		int c=cost[cur][i];

		if(v==prev)continue;

		int tmp=cst+c;

		if(v==u1[cur])tmp=max(tmp,m2[cur]+c);
		else tmp=max(tmp,m1[cur]+c);
		calc(v,cur,tmp);
	}
}
int travelTime(int N, int M, int L, int A[], int B[], int T[])
{
	for(int i=0;i<M;i++)
	{
		adj[A[i]].push_back(B[i]);
		adj[B[i]].push_back(A[i]);

		cost[A[i]].push_back(T[i]);
		cost[B[i]].push_back(T[i]);
	}


	vector<int> fn;

	for(int i=0;i<N;i++)
	{
		if(vis[i])continue;
		dfs(i,-1);

		calc(i,-1,0);

		sort(v.begin(),v.end());
		fn.push_back(v[0]);

		v.clear();
		


	}
	sort(fn.begin(),fn.end(),greater<int>());
   
	if(fn.size()>1)
	{
		ans=max(ans,fn[0]+fn[1]+L);
	}
	if(fn.size()>2)
	{
		ans=max(ans,fn[2]+fn[3]+2*L);
	}

	return ans;

}

Compilation message

dreaming.cpp: In function 'void dfs(int, int)':
dreaming.cpp:20:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<adj[cur].size();i++)
              ~^~~~~~~~~~~~~~~~
dreaming.cpp: In function 'void calc(int, int, int)':
dreaming.cpp:49:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<adj[cur].size();i++)
              ~^~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	19060 KB	Output is correct
2	Correct	101 ms	18804 KB	Output is correct
3	Correct	68 ms	15864 KB	Output is correct
4	Correct	17 ms	7168 KB	Output is correct
5	Correct	16 ms	6400 KB	Output is correct
6	Correct	25 ms	8192 KB	Output is correct
7	Correct	7 ms	5120 KB	Output is correct
8	Correct	41 ms	10872 KB	Output is correct
9	Correct	56 ms	13688 KB	Output is correct
10	Correct	8 ms	5120 KB	Output is correct
11	Correct	117 ms	15496 KB	Output is correct
12	Correct	181 ms	17272 KB	Output is correct
13	Correct	8 ms	5248 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	19060 KB	Output is correct
2	Correct	101 ms	18804 KB	Output is correct
3	Correct	68 ms	15864 KB	Output is correct
4	Correct	17 ms	7168 KB	Output is correct
5	Correct	16 ms	6400 KB	Output is correct
6	Correct	25 ms	8192 KB	Output is correct
7	Correct	7 ms	5120 KB	Output is correct
8	Correct	41 ms	10872 KB	Output is correct
9	Correct	56 ms	13688 KB	Output is correct
10	Correct	8 ms	5120 KB	Output is correct
11	Correct	117 ms	15496 KB	Output is correct
12	Correct	181 ms	17272 KB	Output is correct
13	Correct	8 ms	5248 KB	Output is correct
14	Correct	8 ms	4992 KB	Output is correct
15	Correct	7 ms	4992 KB	Output is correct
16	Correct	7 ms	4992 KB	Output is correct
17	Correct	7 ms	4992 KB	Output is correct
18	Correct	10 ms	4992 KB	Output is correct
19	Correct	7 ms	4992 KB	Output is correct
20	Correct	7 ms	5120 KB	Output is correct
21	Correct	7 ms	4992 KB	Output is correct
22	Correct	8 ms	4992 KB	Output is correct
23	Correct	7 ms	5120 KB	Output is correct
24	Correct	7 ms	5248 KB	Output is correct
25	Correct	7 ms	4992 KB	Output is correct
26	Correct	7 ms	4992 KB	Output is correct
27	Correct	7 ms	4992 KB	Output is correct
28	Correct	7 ms	4992 KB	Output is correct
29	Correct	7 ms	4992 KB	Output is correct
30	Correct	7 ms	4992 KB	Output is correct
31	Correct	7 ms	4992 KB	Output is correct
32	Correct	7 ms	4992 KB	Output is correct
33	Correct	7 ms	4992 KB	Output is correct
34	Correct	7 ms	4992 KB	Output is correct
35	Correct	7 ms	5120 KB	Output is correct
36	Correct	7 ms	4992 KB	Output is correct
37	Correct	7 ms	4992 KB	Output is correct
38	Correct	8 ms	4992 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	19060 KB	Output is correct
2	Correct	101 ms	18804 KB	Output is correct
3	Correct	68 ms	15864 KB	Output is correct
4	Correct	17 ms	7168 KB	Output is correct
5	Correct	16 ms	6400 KB	Output is correct
6	Correct	25 ms	8192 KB	Output is correct
7	Correct	7 ms	5120 KB	Output is correct
8	Correct	41 ms	10872 KB	Output is correct
9	Correct	56 ms	13688 KB	Output is correct
10	Correct	8 ms	5120 KB	Output is correct
11	Correct	117 ms	15496 KB	Output is correct
12	Correct	181 ms	17272 KB	Output is correct
13	Correct	8 ms	5248 KB	Output is correct
14	Correct	8 ms	4992 KB	Output is correct
15	Correct	7 ms	4992 KB	Output is correct
16	Correct	7 ms	4992 KB	Output is correct
17	Correct	7 ms	4992 KB	Output is correct
18	Correct	10 ms	4992 KB	Output is correct
19	Correct	7 ms	4992 KB	Output is correct
20	Correct	7 ms	5120 KB	Output is correct
21	Correct	7 ms	4992 KB	Output is correct
22	Correct	8 ms	4992 KB	Output is correct
23	Correct	7 ms	5120 KB	Output is correct
24	Correct	7 ms	5248 KB	Output is correct
25	Correct	7 ms	4992 KB	Output is correct
26	Correct	7 ms	4992 KB	Output is correct
27	Correct	7 ms	4992 KB	Output is correct
28	Correct	7 ms	4992 KB	Output is correct
29	Correct	7 ms	4992 KB	Output is correct
30	Correct	7 ms	4992 KB	Output is correct
31	Correct	7 ms	4992 KB	Output is correct
32	Correct	7 ms	4992 KB	Output is correct
33	Correct	7 ms	4992 KB	Output is correct
34	Correct	7 ms	4992 KB	Output is correct
35	Correct	7 ms	5120 KB	Output is correct
36	Correct	7 ms	4992 KB	Output is correct
37	Correct	7 ms	4992 KB	Output is correct
38	Correct	8 ms	4992 KB	Output is correct
39	Correct	90 ms	19060 KB	Output is correct
40	Correct	90 ms	18804 KB	Output is correct
41	Correct	65 ms	15864 KB	Output is correct
42	Correct	17 ms	7168 KB	Output is correct
43	Correct	7 ms	4992 KB	Output is correct
44	Correct	8 ms	4992 KB	Output is correct
45	Correct	7 ms	4992 KB	Output is correct
46	Correct	7 ms	5120 KB	Output is correct
47	Correct	8 ms	4992 KB	Output is correct
48	Correct	7 ms	5120 KB	Output is correct
49	Correct	8 ms	4992 KB	Output is correct
50	Correct	7 ms	4992 KB	Output is correct
51	Correct	7 ms	5120 KB	Output is correct
52	Correct	9 ms	4992 KB	Output is correct
53	Correct	10 ms	4992 KB	Output is correct
54	Correct	8 ms	5248 KB	Output is correct
55	Correct	9 ms	4992 KB	Output is correct
56	Correct	7 ms	4992 KB	Output is correct
57	Correct	140 ms	15988 KB	Output is correct
58	Correct	230 ms	15736 KB	Output is correct
59	Correct	140 ms	16120 KB	Output is correct
60	Correct	150 ms	15868 KB	Output is correct
61	Correct	178 ms	16580 KB	Output is correct
62	Correct	140 ms	16248 KB	Output is correct
63	Correct	142 ms	16224 KB	Output is correct
64	Correct	131 ms	16172 KB	Output is correct
65	Correct	139 ms	16444 KB	Output is correct
66	Correct	127 ms	16452 KB	Output is correct
67	Correct	134 ms	16144 KB	Output is correct
68	Correct	129 ms	16176 KB	Output is correct
69	Correct	182 ms	16132 KB	Output is correct
70	Correct	132 ms	16120 KB	Output is correct
71	Correct	7 ms	4992 KB	Output is correct
72	Correct	12 ms	5376 KB	Output is correct
73	Correct	9 ms	5376 KB	Output is correct
74	Correct	9 ms	5376 KB	Output is correct
75	Correct	10 ms	5376 KB	Output is correct
76	Correct	10 ms	5376 KB	Output is correct
77	Correct	9 ms	5376 KB	Output is correct
78	Correct	10 ms	5376 KB	Output is correct
79	Correct	9 ms	5352 KB	Output is correct
80	Correct	131 ms	16120 KB	Output is correct
81	Correct	136 ms	16128 KB	Output is correct
82	Correct	129 ms	16488 KB	Output is correct
83	Correct	201 ms	16476 KB	Output is correct
84	Correct	10 ms	5376 KB	Output is correct
85	Correct	8 ms	5376 KB	Output is correct
86	Correct	9 ms	5376 KB	Output is correct
87	Correct	9 ms	5376 KB	Output is correct
88	Correct	9 ms	5376 KB	Output is correct
89	Correct	9 ms	5376 KB	Output is correct
90	Correct	11 ms	5376 KB	Output is correct
91	Correct	9 ms	5376 KB	Output is correct
92	Correct	9 ms	5376 KB	Output is correct
93	Correct	9 ms	5376 KB	Output is correct
94	Correct	8 ms	4992 KB	Output is correct
95	Correct	7 ms	4992 KB	Output is correct
96	Correct	7 ms	4992 KB	Output is correct
97	Correct	7 ms	4992 KB	Output is correct
98	Correct	7 ms	4992 KB	Output is correct
99	Correct	8 ms	4992 KB	Output is correct
100	Correct	9 ms	4992 KB	Output is correct
101	Correct	7 ms	5044 KB	Output is correct
102	Correct	7 ms	4992 KB	Output is correct
103	Correct	7 ms	5120 KB	Output is correct
104	Correct	16 ms	6272 KB	Output is correct
105	Correct	24 ms	8184 KB	Output is correct
106	Correct	8 ms	5120 KB	Output is correct
107	Correct	43 ms	11000 KB	Output is correct
108	Correct	58 ms	13624 KB	Output is correct
109	Correct	8 ms	5120 KB	Output is correct
110	Correct	93 ms	15404 KB	Output is correct
111	Correct	104 ms	17272 KB	Output is correct
112	Correct	7 ms	5120 KB	Output is correct
113	Correct	151 ms	24028 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	38 ms	11516 KB	Output is correct
2	Incorrect	39 ms	11636 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	19060 KB	Output is correct
2	Correct	101 ms	18804 KB	Output is correct
3	Correct	68 ms	15864 KB	Output is correct
4	Correct	17 ms	7168 KB	Output is correct
5	Correct	16 ms	6400 KB	Output is correct
6	Correct	25 ms	8192 KB	Output is correct
7	Correct	7 ms	5120 KB	Output is correct
8	Correct	41 ms	10872 KB	Output is correct
9	Correct	56 ms	13688 KB	Output is correct
10	Correct	8 ms	5120 KB	Output is correct
11	Correct	117 ms	15496 KB	Output is correct
12	Correct	181 ms	17272 KB	Output is correct
13	Correct	8 ms	5248 KB	Output is correct
14	Correct	9 ms	5120 KB	Output is correct
15	Correct	8 ms	5248 KB	Output is correct
16	Correct	9 ms	5376 KB	Output is correct
17	Correct	7 ms	5120 KB	Output is correct
18	Correct	8 ms	5248 KB	Output is correct
19	Correct	12 ms	5376 KB	Output is correct
20	Incorrect	8 ms	5120 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	19060 KB	Output is correct
2	Correct	101 ms	18804 KB	Output is correct
3	Correct	68 ms	15864 KB	Output is correct
4	Correct	17 ms	7168 KB	Output is correct
5	Correct	16 ms	6400 KB	Output is correct
6	Correct	25 ms	8192 KB	Output is correct
7	Correct	7 ms	5120 KB	Output is correct
8	Correct	41 ms	10872 KB	Output is correct
9	Correct	56 ms	13688 KB	Output is correct
10	Correct	8 ms	5120 KB	Output is correct
11	Correct	117 ms	15496 KB	Output is correct
12	Correct	181 ms	17272 KB	Output is correct
13	Correct	8 ms	5248 KB	Output is correct
14	Correct	8 ms	4992 KB	Output is correct
15	Correct	7 ms	4992 KB	Output is correct
16	Correct	7 ms	4992 KB	Output is correct
17	Correct	7 ms	4992 KB	Output is correct
18	Correct	10 ms	4992 KB	Output is correct
19	Correct	7 ms	4992 KB	Output is correct
20	Correct	7 ms	5120 KB	Output is correct
21	Correct	7 ms	4992 KB	Output is correct
22	Correct	8 ms	4992 KB	Output is correct
23	Correct	7 ms	5120 KB	Output is correct
24	Correct	7 ms	5248 KB	Output is correct
25	Correct	7 ms	4992 KB	Output is correct
26	Correct	7 ms	4992 KB	Output is correct
27	Correct	7 ms	4992 KB	Output is correct
28	Correct	7 ms	4992 KB	Output is correct
29	Correct	7 ms	4992 KB	Output is correct
30	Correct	7 ms	4992 KB	Output is correct
31	Correct	7 ms	4992 KB	Output is correct
32	Correct	7 ms	4992 KB	Output is correct
33	Correct	7 ms	4992 KB	Output is correct
34	Correct	7 ms	4992 KB	Output is correct
35	Correct	7 ms	5120 KB	Output is correct
36	Correct	7 ms	4992 KB	Output is correct
37	Correct	7 ms	4992 KB	Output is correct
38	Correct	8 ms	4992 KB	Output is correct
39	Correct	90 ms	19060 KB	Output is correct
40	Correct	90 ms	18804 KB	Output is correct
41	Correct	65 ms	15864 KB	Output is correct
42	Correct	17 ms	7168 KB	Output is correct
43	Correct	7 ms	4992 KB	Output is correct
44	Correct	8 ms	4992 KB	Output is correct
45	Correct	7 ms	4992 KB	Output is correct
46	Correct	7 ms	5120 KB	Output is correct
47	Correct	8 ms	4992 KB	Output is correct
48	Correct	7 ms	5120 KB	Output is correct
49	Correct	8 ms	4992 KB	Output is correct
50	Correct	7 ms	4992 KB	Output is correct
51	Correct	7 ms	5120 KB	Output is correct
52	Correct	9 ms	4992 KB	Output is correct
53	Correct	10 ms	4992 KB	Output is correct
54	Correct	8 ms	5248 KB	Output is correct
55	Correct	9 ms	4992 KB	Output is correct
56	Correct	7 ms	4992 KB	Output is correct
57	Correct	140 ms	15988 KB	Output is correct
58	Correct	230 ms	15736 KB	Output is correct
59	Correct	140 ms	16120 KB	Output is correct
60	Correct	150 ms	15868 KB	Output is correct
61	Correct	178 ms	16580 KB	Output is correct
62	Correct	140 ms	16248 KB	Output is correct
63	Correct	142 ms	16224 KB	Output is correct
64	Correct	131 ms	16172 KB	Output is correct
65	Correct	139 ms	16444 KB	Output is correct
66	Correct	127 ms	16452 KB	Output is correct
67	Correct	134 ms	16144 KB	Output is correct
68	Correct	129 ms	16176 KB	Output is correct
69	Correct	182 ms	16132 KB	Output is correct
70	Correct	132 ms	16120 KB	Output is correct
71	Correct	7 ms	4992 KB	Output is correct
72	Correct	12 ms	5376 KB	Output is correct
73	Correct	9 ms	5376 KB	Output is correct
74	Correct	9 ms	5376 KB	Output is correct
75	Correct	10 ms	5376 KB	Output is correct
76	Correct	10 ms	5376 KB	Output is correct
77	Correct	9 ms	5376 KB	Output is correct
78	Correct	10 ms	5376 KB	Output is correct
79	Correct	9 ms	5352 KB	Output is correct
80	Correct	131 ms	16120 KB	Output is correct
81	Correct	136 ms	16128 KB	Output is correct
82	Correct	129 ms	16488 KB	Output is correct
83	Correct	201 ms	16476 KB	Output is correct
84	Correct	10 ms	5376 KB	Output is correct
85	Correct	8 ms	5376 KB	Output is correct
86	Correct	9 ms	5376 KB	Output is correct
87	Correct	9 ms	5376 KB	Output is correct
88	Correct	9 ms	5376 KB	Output is correct
89	Correct	9 ms	5376 KB	Output is correct
90	Correct	11 ms	5376 KB	Output is correct
91	Correct	9 ms	5376 KB	Output is correct
92	Correct	9 ms	5376 KB	Output is correct
93	Correct	9 ms	5376 KB	Output is correct
94	Correct	8 ms	4992 KB	Output is correct
95	Correct	7 ms	4992 KB	Output is correct
96	Correct	7 ms	4992 KB	Output is correct
97	Correct	7 ms	4992 KB	Output is correct
98	Correct	7 ms	4992 KB	Output is correct
99	Correct	8 ms	4992 KB	Output is correct
100	Correct	9 ms	4992 KB	Output is correct
101	Correct	7 ms	5044 KB	Output is correct
102	Correct	7 ms	4992 KB	Output is correct
103	Correct	7 ms	5120 KB	Output is correct
104	Correct	16 ms	6272 KB	Output is correct
105	Correct	24 ms	8184 KB	Output is correct
106	Correct	8 ms	5120 KB	Output is correct
107	Correct	43 ms	11000 KB	Output is correct
108	Correct	58 ms	13624 KB	Output is correct
109	Correct	8 ms	5120 KB	Output is correct
110	Correct	93 ms	15404 KB	Output is correct
111	Correct	104 ms	17272 KB	Output is correct
112	Correct	7 ms	5120 KB	Output is correct
113	Correct	151 ms	24028 KB	Output is correct
114	Correct	38 ms	11516 KB	Output is correct
115	Incorrect	39 ms	11636 KB	Output isn't correct
116	Halted	0 ms	0 KB	-

답안 #224777

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 10.0 / 10.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 18.0

Subtask #5 0 / 12.0

Subtask #6 0 / 23.0

Subtask #1
14.0 / 14.0

Subtask #2
10.0 / 10.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 18.0

Subtask #5
0 / 12.0

Subtask #6
0 / 23.0