Submission #235193

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
235193	2020-05-27T10:01:34 Z	crossing0ver	Dreaming (IOI13_dreaming)	C++17	47 / 100	125 ms	35960 KB

dreaming

#include<bits/stdc++.h>
#define fi first
#define se second
#include "dreaming.h"
using namespace std;

vector<pair<int,int> > adj[1000000];
pair <int,int> par[100000];
int n,m,component, dis[100000],mx,start,end1,timer,tin[100000],tout[100000],ans ,comp[100000] , day;

int vis[100000];
void dfs (int v,int p,int val) {
	if (dis[v] > mx) {
		mx = dis[v];
		start = v;
	}
	par[v] = {p,val};
	for (auto i : adj[v]) {
		if (i.fi != p) {
			dis[i.fi] = dis[v] + i.se;
			vis[i.fi] = vis[v];
			dfs (i.fi, v, i.se);
		}
	}
}
void get_mid (int a,int b) {
 // b is root
 int distance = dis[a],down = 0;
 ans = max (ans, distance);
 comp[component]  = distance;
 int mn = INT_MAX;
 while (a != b) {
	 down += par[a].se;
	 distance -= par[a].se;
	 mn = min (mn , max (down,distance));
	 a = par[a].fi;
	}
	if (mn == INT_MAX)
	comp[component] = 0;
	else comp[component] = mn;
}		
int make_components() {
	for (int i = 0; i < n; i++) {
		if (!vis[i]) {
			mx = INT_MIN;
			component++;
			vis[i] = (i ? vis[i-1] + 1 : 1);
			dfs(i,-1,0);
			end1 = start;
			dis[start] = 0;
			mx = INT_MIN; 
			dfs (end1,-1,0);
			get_mid(start,end1);
		}
	}
	int mn = comp[1],in = 1;
	sort (comp + 1, comp + component + 1);
	if (component == 1) return ans;
	if (component == 2) {
		return max (ans, comp[1] + comp[2] + day);
	}
	return max (ans, day*2 +  comp[component - 1] + comp [component]);
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
	n = N; m = M;  day = L;
	for (int i = 0; i < m; i++) {
		adj[A[i]].push_back( { B[i], T[i] });
		adj[B[i]].push_back( { A[i], T[i] });
	}       
	return make_components();
}     /*
main () {
	int N,M,L;
	cin >> N >> M >> L;
	int A[M],B[M],T[M];
	for (int i = 0; i < M; i++)
		cin >> A[i] >> B[i] >> T[i] ;
	cout << travelTime(N, M, L, A, B, T);
}            */

Compilation message

dreaming.cpp: In function 'int make_components()':
dreaming.cpp:56:6: warning: unused variable 'mn' [-Wunused-variable]
  int mn = comp[1],in = 1;
      ^~
dreaming.cpp:56:19: warning: unused variable 'in' [-Wunused-variable]
  int mn = comp[1],in = 1;
                   ^~

Subtask #1
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	79 ms	34680 KB	Output is correct
2	Correct	75 ms	34684 KB	Output is correct
3	Correct	54 ms	31096 KB	Output is correct
4	Correct	25 ms	25472 KB	Output is correct
5	Correct	24 ms	24832 KB	Output is correct
6	Correct	31 ms	26240 KB	Output is correct
7	Correct	18 ms	23808 KB	Output is correct
8	Correct	45 ms	27904 KB	Output is correct
9	Correct	53 ms	29304 KB	Output is correct
10	Correct	20 ms	23936 KB	Output is correct
11	Correct	76 ms	31352 KB	Output is correct
12	Correct	86 ms	32888 KB	Output is correct
13	Correct	18 ms	23936 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	79 ms	34680 KB	Output is correct
2	Correct	75 ms	34684 KB	Output is correct
3	Correct	54 ms	31096 KB	Output is correct
4	Correct	25 ms	25472 KB	Output is correct
5	Correct	24 ms	24832 KB	Output is correct
6	Correct	31 ms	26240 KB	Output is correct
7	Correct	18 ms	23808 KB	Output is correct
8	Correct	45 ms	27904 KB	Output is correct
9	Correct	53 ms	29304 KB	Output is correct
10	Correct	20 ms	23936 KB	Output is correct
11	Correct	76 ms	31352 KB	Output is correct
12	Correct	86 ms	32888 KB	Output is correct
13	Correct	18 ms	23936 KB	Output is correct
14	Correct	18 ms	23808 KB	Output is correct
15	Correct	17 ms	23808 KB	Output is correct
16	Correct	17 ms	23808 KB	Output is correct
17	Correct	18 ms	23808 KB	Output is correct
18	Correct	23 ms	23808 KB	Output is correct
19	Correct	19 ms	23808 KB	Output is correct
20	Correct	18 ms	23808 KB	Output is correct
21	Correct	18 ms	23808 KB	Output is correct
22	Correct	20 ms	23808 KB	Output is correct
23	Correct	18 ms	23808 KB	Output is correct
24	Correct	18 ms	23808 KB	Output is correct
25	Correct	18 ms	23808 KB	Output is correct
26	Correct	18 ms	23808 KB	Output is correct
27	Correct	18 ms	23808 KB	Output is correct
28	Correct	18 ms	23808 KB	Output is correct
29	Correct	19 ms	23808 KB	Output is correct
30	Correct	18 ms	23808 KB	Output is correct
31	Correct	20 ms	23808 KB	Output is correct
32	Correct	18 ms	23808 KB	Output is correct
33	Correct	17 ms	23808 KB	Output is correct
34	Correct	18 ms	23808 KB	Output is correct
35	Correct	18 ms	23808 KB	Output is correct
36	Correct	18 ms	23808 KB	Output is correct
37	Correct	18 ms	23808 KB	Output is correct
38	Correct	20 ms	23808 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	79 ms	34680 KB	Output is correct
2	Correct	75 ms	34684 KB	Output is correct
3	Correct	54 ms	31096 KB	Output is correct
4	Correct	25 ms	25472 KB	Output is correct
5	Correct	24 ms	24832 KB	Output is correct
6	Correct	31 ms	26240 KB	Output is correct
7	Correct	18 ms	23808 KB	Output is correct
8	Correct	45 ms	27904 KB	Output is correct
9	Correct	53 ms	29304 KB	Output is correct
10	Correct	20 ms	23936 KB	Output is correct
11	Correct	76 ms	31352 KB	Output is correct
12	Correct	86 ms	32888 KB	Output is correct
13	Correct	18 ms	23936 KB	Output is correct
14	Correct	18 ms	23808 KB	Output is correct
15	Correct	17 ms	23808 KB	Output is correct
16	Correct	17 ms	23808 KB	Output is correct
17	Correct	18 ms	23808 KB	Output is correct
18	Correct	23 ms	23808 KB	Output is correct
19	Correct	19 ms	23808 KB	Output is correct
20	Correct	18 ms	23808 KB	Output is correct
21	Correct	18 ms	23808 KB	Output is correct
22	Correct	20 ms	23808 KB	Output is correct
23	Correct	18 ms	23808 KB	Output is correct
24	Correct	18 ms	23808 KB	Output is correct
25	Correct	18 ms	23808 KB	Output is correct
26	Correct	18 ms	23808 KB	Output is correct
27	Correct	18 ms	23808 KB	Output is correct
28	Correct	18 ms	23808 KB	Output is correct
29	Correct	19 ms	23808 KB	Output is correct
30	Correct	18 ms	23808 KB	Output is correct
31	Correct	20 ms	23808 KB	Output is correct
32	Correct	18 ms	23808 KB	Output is correct
33	Correct	17 ms	23808 KB	Output is correct
34	Correct	18 ms	23808 KB	Output is correct
35	Correct	18 ms	23808 KB	Output is correct
36	Correct	18 ms	23808 KB	Output is correct
37	Correct	18 ms	23808 KB	Output is correct
38	Correct	20 ms	23808 KB	Output is correct
39	Correct	79 ms	34680 KB	Output is correct
40	Correct	73 ms	34680 KB	Output is correct
41	Correct	55 ms	31096 KB	Output is correct
42	Correct	26 ms	25468 KB	Output is correct
43	Correct	18 ms	23808 KB	Output is correct
44	Correct	18 ms	23808 KB	Output is correct
45	Correct	18 ms	23808 KB	Output is correct
46	Correct	17 ms	23808 KB	Output is correct
47	Correct	18 ms	23808 KB	Output is correct
48	Correct	18 ms	23808 KB	Output is correct
49	Correct	19 ms	23808 KB	Output is correct
50	Correct	18 ms	23808 KB	Output is correct
51	Correct	18 ms	23936 KB	Output is correct
52	Correct	18 ms	23808 KB	Output is correct
53	Correct	18 ms	23808 KB	Output is correct
54	Correct	19 ms	23936 KB	Output is correct
55	Correct	18 ms	23808 KB	Output is correct
56	Correct	18 ms	23808 KB	Output is correct
57	Correct	105 ms	31864 KB	Output is correct
58	Correct	107 ms	31864 KB	Output is correct
59	Correct	95 ms	31864 KB	Output is correct
60	Correct	97 ms	31864 KB	Output is correct
61	Correct	99 ms	31900 KB	Output is correct
62	Correct	104 ms	31864 KB	Output is correct
63	Correct	99 ms	31608 KB	Output is correct
64	Correct	94 ms	31736 KB	Output is correct
65	Correct	102 ms	31908 KB	Output is correct
66	Correct	94 ms	31864 KB	Output is correct
67	Correct	108 ms	31736 KB	Output is correct
68	Correct	108 ms	31736 KB	Output is correct
69	Correct	113 ms	32120 KB	Output is correct
70	Correct	112 ms	32120 KB	Output is correct
71	Correct	18 ms	23808 KB	Output is correct
72	Correct	20 ms	24064 KB	Output is correct
73	Correct	20 ms	24064 KB	Output is correct
74	Correct	20 ms	24064 KB	Output is correct
75	Correct	19 ms	24192 KB	Output is correct
76	Correct	20 ms	24064 KB	Output is correct
77	Correct	19 ms	24064 KB	Output is correct
78	Correct	20 ms	24064 KB	Output is correct
79	Correct	19 ms	24064 KB	Output is correct
80	Correct	109 ms	31736 KB	Output is correct
81	Correct	107 ms	31736 KB	Output is correct
82	Correct	105 ms	31892 KB	Output is correct
83	Correct	90 ms	31864 KB	Output is correct
84	Correct	18 ms	24064 KB	Output is correct
85	Correct	19 ms	24064 KB	Output is correct
86	Correct	19 ms	24064 KB	Output is correct
87	Correct	20 ms	24064 KB	Output is correct
88	Correct	19 ms	24064 KB	Output is correct
89	Correct	19 ms	24064 KB	Output is correct
90	Correct	19 ms	24064 KB	Output is correct
91	Correct	20 ms	24064 KB	Output is correct
92	Correct	19 ms	24064 KB	Output is correct
93	Correct	20 ms	24064 KB	Output is correct
94	Correct	18 ms	23808 KB	Output is correct
95	Correct	18 ms	23808 KB	Output is correct
96	Correct	18 ms	23808 KB	Output is correct
97	Correct	18 ms	23808 KB	Output is correct
98	Correct	18 ms	23808 KB	Output is correct
99	Correct	18 ms	23808 KB	Output is correct
100	Correct	18 ms	23912 KB	Output is correct
101	Correct	18 ms	23808 KB	Output is correct
102	Correct	18 ms	23808 KB	Output is correct
103	Correct	18 ms	23936 KB	Output is correct
104	Correct	24 ms	24832 KB	Output is correct
105	Correct	33 ms	26368 KB	Output is correct
106	Correct	19 ms	23808 KB	Output is correct
107	Correct	45 ms	27904 KB	Output is correct
108	Correct	53 ms	29304 KB	Output is correct
109	Correct	18 ms	23936 KB	Output is correct
110	Correct	73 ms	31352 KB	Output is correct
111	Correct	93 ms	32888 KB	Output is correct
112	Correct	18 ms	23936 KB	Output is correct
113	Correct	125 ms	35960 KB	Output is correct

Subtask #4
0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	43 ms	28280 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	79 ms	34680 KB	Output is correct
2	Correct	75 ms	34684 KB	Output is correct
3	Correct	54 ms	31096 KB	Output is correct
4	Correct	25 ms	25472 KB	Output is correct
5	Correct	24 ms	24832 KB	Output is correct
6	Correct	31 ms	26240 KB	Output is correct
7	Correct	18 ms	23808 KB	Output is correct
8	Correct	45 ms	27904 KB	Output is correct
9	Correct	53 ms	29304 KB	Output is correct
10	Correct	20 ms	23936 KB	Output is correct
11	Correct	76 ms	31352 KB	Output is correct
12	Correct	86 ms	32888 KB	Output is correct
13	Correct	18 ms	23936 KB	Output is correct
14	Correct	18 ms	23936 KB	Output is correct
15	Correct	19 ms	24064 KB	Output is correct
16	Correct	20 ms	24064 KB	Output is correct
17	Incorrect	19 ms	23936 KB	Output isn't correct
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	79 ms	34680 KB	Output is correct
2	Correct	75 ms	34684 KB	Output is correct
3	Correct	54 ms	31096 KB	Output is correct
4	Correct	25 ms	25472 KB	Output is correct
5	Correct	24 ms	24832 KB	Output is correct
6	Correct	31 ms	26240 KB	Output is correct
7	Correct	18 ms	23808 KB	Output is correct
8	Correct	45 ms	27904 KB	Output is correct
9	Correct	53 ms	29304 KB	Output is correct
10	Correct	20 ms	23936 KB	Output is correct
11	Correct	76 ms	31352 KB	Output is correct
12	Correct	86 ms	32888 KB	Output is correct
13	Correct	18 ms	23936 KB	Output is correct
14	Correct	18 ms	23808 KB	Output is correct
15	Correct	17 ms	23808 KB	Output is correct
16	Correct	17 ms	23808 KB	Output is correct
17	Correct	18 ms	23808 KB	Output is correct
18	Correct	23 ms	23808 KB	Output is correct
19	Correct	19 ms	23808 KB	Output is correct
20	Correct	18 ms	23808 KB	Output is correct
21	Correct	18 ms	23808 KB	Output is correct
22	Correct	20 ms	23808 KB	Output is correct
23	Correct	18 ms	23808 KB	Output is correct
24	Correct	18 ms	23808 KB	Output is correct
25	Correct	18 ms	23808 KB	Output is correct
26	Correct	18 ms	23808 KB	Output is correct
27	Correct	18 ms	23808 KB	Output is correct
28	Correct	18 ms	23808 KB	Output is correct
29	Correct	19 ms	23808 KB	Output is correct
30	Correct	18 ms	23808 KB	Output is correct
31	Correct	20 ms	23808 KB	Output is correct
32	Correct	18 ms	23808 KB	Output is correct
33	Correct	17 ms	23808 KB	Output is correct
34	Correct	18 ms	23808 KB	Output is correct
35	Correct	18 ms	23808 KB	Output is correct
36	Correct	18 ms	23808 KB	Output is correct
37	Correct	18 ms	23808 KB	Output is correct
38	Correct	20 ms	23808 KB	Output is correct
39	Correct	79 ms	34680 KB	Output is correct
40	Correct	73 ms	34680 KB	Output is correct
41	Correct	55 ms	31096 KB	Output is correct
42	Correct	26 ms	25468 KB	Output is correct
43	Correct	18 ms	23808 KB	Output is correct
44	Correct	18 ms	23808 KB	Output is correct
45	Correct	18 ms	23808 KB	Output is correct
46	Correct	17 ms	23808 KB	Output is correct
47	Correct	18 ms	23808 KB	Output is correct
48	Correct	18 ms	23808 KB	Output is correct
49	Correct	19 ms	23808 KB	Output is correct
50	Correct	18 ms	23808 KB	Output is correct
51	Correct	18 ms	23936 KB	Output is correct
52	Correct	18 ms	23808 KB	Output is correct
53	Correct	18 ms	23808 KB	Output is correct
54	Correct	19 ms	23936 KB	Output is correct
55	Correct	18 ms	23808 KB	Output is correct
56	Correct	18 ms	23808 KB	Output is correct
57	Correct	105 ms	31864 KB	Output is correct
58	Correct	107 ms	31864 KB	Output is correct
59	Correct	95 ms	31864 KB	Output is correct
60	Correct	97 ms	31864 KB	Output is correct
61	Correct	99 ms	31900 KB	Output is correct
62	Correct	104 ms	31864 KB	Output is correct
63	Correct	99 ms	31608 KB	Output is correct
64	Correct	94 ms	31736 KB	Output is correct
65	Correct	102 ms	31908 KB	Output is correct
66	Correct	94 ms	31864 KB	Output is correct
67	Correct	108 ms	31736 KB	Output is correct
68	Correct	108 ms	31736 KB	Output is correct
69	Correct	113 ms	32120 KB	Output is correct
70	Correct	112 ms	32120 KB	Output is correct
71	Correct	18 ms	23808 KB	Output is correct
72	Correct	20 ms	24064 KB	Output is correct
73	Correct	20 ms	24064 KB	Output is correct
74	Correct	20 ms	24064 KB	Output is correct
75	Correct	19 ms	24192 KB	Output is correct
76	Correct	20 ms	24064 KB	Output is correct
77	Correct	19 ms	24064 KB	Output is correct
78	Correct	20 ms	24064 KB	Output is correct
79	Correct	19 ms	24064 KB	Output is correct
80	Correct	109 ms	31736 KB	Output is correct
81	Correct	107 ms	31736 KB	Output is correct
82	Correct	105 ms	31892 KB	Output is correct
83	Correct	90 ms	31864 KB	Output is correct
84	Correct	18 ms	24064 KB	Output is correct
85	Correct	19 ms	24064 KB	Output is correct
86	Correct	19 ms	24064 KB	Output is correct
87	Correct	20 ms	24064 KB	Output is correct
88	Correct	19 ms	24064 KB	Output is correct
89	Correct	19 ms	24064 KB	Output is correct
90	Correct	19 ms	24064 KB	Output is correct
91	Correct	20 ms	24064 KB	Output is correct
92	Correct	19 ms	24064 KB	Output is correct
93	Correct	20 ms	24064 KB	Output is correct
94	Correct	18 ms	23808 KB	Output is correct
95	Correct	18 ms	23808 KB	Output is correct
96	Correct	18 ms	23808 KB	Output is correct
97	Correct	18 ms	23808 KB	Output is correct
98	Correct	18 ms	23808 KB	Output is correct
99	Correct	18 ms	23808 KB	Output is correct
100	Correct	18 ms	23912 KB	Output is correct
101	Correct	18 ms	23808 KB	Output is correct
102	Correct	18 ms	23808 KB	Output is correct
103	Correct	18 ms	23936 KB	Output is correct
104	Correct	24 ms	24832 KB	Output is correct
105	Correct	33 ms	26368 KB	Output is correct
106	Correct	19 ms	23808 KB	Output is correct
107	Correct	45 ms	27904 KB	Output is correct
108	Correct	53 ms	29304 KB	Output is correct
109	Correct	18 ms	23936 KB	Output is correct
110	Correct	73 ms	31352 KB	Output is correct
111	Correct	93 ms	32888 KB	Output is correct
112	Correct	18 ms	23936 KB	Output is correct
113	Correct	125 ms	35960 KB	Output is correct
114	Incorrect	43 ms	28280 KB	Output isn't correct
115	Halted	0 ms	0 KB	-

Submission #235193

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