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Submission #174660

# Submission time Handle Problem Language Result Execution time Memory
174660 2020-01-06T15:39:07 Z tinjyu Dreaming (IOI13_dreaming) C++14
47 / 100
 91 ms 15608 KB 
#include "dreaming.h"

#include <iostream>
using namespace std;
long long int e,mi,lo,p,st,en,tmp,n,m,road[100005],map[200005][3],ans,max1,max2,max3,tag[100005];
int find(long long int x,long long int dis,long long int fa)
{
	tag[x]=1;
	//cout<<x<<" "<<dis<<endl;
	long long int c=0;
	if(x==en)c=1;
	if(dis>tmp)
	{
		tmp=dis;
		p=x;
	}
	//cout<<" "<<map[road[x]][0]<<" "<<road[x]<<endl;
	int g=road[x];
	while(g!=-1)
	{
		int now=map[g][0];
		if(now!=fa)
		{
			if(find(now,dis+map[g][2],x)==1)c=1;
		}
		g=map[g][1];
	}
	if(c==1)
	{
		mi=min(mi,max(dis,lo-dis));
	}
	return c;
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
	n=N;
	m=M;
	for(int i=0;i<n;i++)road[i]=-1;
	for(int i=0;i<m;i++)
	{
		map[i*2][0]=A[i];
		map[i*2][1]=road[B[i]];
		map[i*2][2]=T[i];
		road[B[i]]=i*2;
		map[i*2+1][0]=B[i];
		map[i*2+1][1]=road[A[i]];
		map[i*2+1][2]=T[i];
		road[A[i]]=i*2+1;
	}
	for(int i=0;i<n;i++)
	{
		if(tag[i]==1)continue;
		e=i;
		//cout<<i<<endl;
		tmp=-1;
		st=-1,en=-1;
		find(i,0,-1);
		st=p;
		tmp=-1;
		
		find(st,0,-1);
		en=p;
		lo=tmp;
		ans=max(ans,lo);
		mi=9999999999999999;
		find(st,0,-1);
		if(mi>max1)
		{
			max3=max2;
			max2=max1;
			max1=mi;
		}
		else if(mi>max2)
		{
			max3=max2;
			max2=mi;
		}
		else if(mi>max3)
		{
			max3=mi;
		}
	}
	if(N-M-1>=2)ans=max(ans,max(max1+max2+L,max2+max3+L*2));
	else ans=max(max1+max2+L,ans);
	return ans;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 12792 KB Output is correct
2 Correct 55 ms 12792 KB Output is correct
3 Correct 36 ms 8568 KB Output is correct
4 Correct 9 ms 2296 KB Output is correct
5 Correct 8 ms 1400 KB Output is correct
6 Correct 16 ms 3064 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 27 ms 5368 KB Output is correct
9 Correct 36 ms 7288 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 51 ms 9712 KB Output is correct
12 Correct 59 ms 11768 KB Output is correct
13 Correct 2 ms 504 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 12792 KB Output is correct
2 Correct 55 ms 12792 KB Output is correct
3 Correct 36 ms 8568 KB Output is correct
4 Correct 9 ms 2296 KB Output is correct
5 Correct 8 ms 1400 KB Output is correct
6 Correct 16 ms 3064 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 27 ms 5368 KB Output is correct
9 Correct 36 ms 7288 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 51 ms 9712 KB Output is correct
12 Correct 59 ms 11768 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 396 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 1 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 380 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 12792 KB Output is correct
2 Correct 55 ms 12792 KB Output is correct
3 Correct 36 ms 8568 KB Output is correct
4 Correct 9 ms 2296 KB Output is correct
5 Correct 8 ms 1400 KB Output is correct
6 Correct 16 ms 3064 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 27 ms 5368 KB Output is correct
9 Correct 36 ms 7288 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 51 ms 9712 KB Output is correct
12 Correct 59 ms 11768 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 396 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 1 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 380 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 54 ms 14072 KB Output is correct
40 Correct 53 ms 13980 KB Output is correct
41 Correct 38 ms 9448 KB Output is correct
42 Correct 10 ms 2424 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 380 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 380 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 2 ms 376 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 2 ms 380 KB Output is correct
57 Correct 65 ms 9080 KB Output is correct
58 Correct 65 ms 9208 KB Output is correct
59 Correct 61 ms 9208 KB Output is correct
60 Correct 62 ms 9208 KB Output is correct
61 Correct 62 ms 9336 KB Output is correct
62 Correct 62 ms 9336 KB Output is correct
63 Correct 61 ms 9140 KB Output is correct
64 Correct 59 ms 9052 KB Output is correct
65 Correct 63 ms 9336 KB Output is correct
66 Correct 61 ms 9336 KB Output is correct
67 Correct 67 ms 9208 KB Output is correct
68 Correct 65 ms 9208 KB Output is correct
69 Correct 70 ms 9592 KB Output is correct
70 Correct 70 ms 9488 KB Output is correct
71 Correct 2 ms 376 KB Output is correct
72 Correct 3 ms 632 KB Output is correct
73 Correct 3 ms 632 KB Output is correct
74 Correct 3 ms 636 KB Output is correct
75 Correct 3 ms 632 KB Output is correct
76 Correct 3 ms 632 KB Output is correct
77 Correct 4 ms 660 KB Output is correct
78 Correct 3 ms 636 KB Output is correct
79 Correct 3 ms 632 KB Output is correct
80 Correct 66 ms 9208 KB Output is correct
81 Correct 73 ms 9208 KB Output is correct
82 Correct 91 ms 9336 KB Output is correct
83 Correct 66 ms 9336 KB Output is correct
84 Correct 4 ms 504 KB Output is correct
85 Correct 3 ms 504 KB Output is correct
86 Correct 3 ms 504 KB Output is correct
87 Correct 3 ms 632 KB Output is correct
88 Correct 3 ms 632 KB Output is correct
89 Correct 3 ms 632 KB Output is correct
90 Correct 3 ms 504 KB Output is correct
91 Correct 4 ms 632 KB Output is correct
92 Correct 3 ms 636 KB Output is correct
93 Correct 3 ms 504 KB Output is correct
94 Correct 2 ms 376 KB Output is correct
95 Correct 2 ms 376 KB Output is correct
96 Correct 2 ms 376 KB Output is correct
97 Correct 2 ms 376 KB Output is correct
98 Correct 1 ms 376 KB Output is correct
99 Correct 2 ms 380 KB Output is correct
100 Correct 2 ms 376 KB Output is correct
101 Correct 2 ms 376 KB Output is correct
102 Correct 2 ms 376 KB Output is correct
103 Correct 2 ms 376 KB Output is correct
104 Correct 8 ms 1532 KB Output is correct
105 Correct 15 ms 3320 KB Output is correct
106 Correct 2 ms 376 KB Output is correct
107 Correct 31 ms 5368 KB Output is correct
108 Correct 35 ms 7288 KB Output is correct
109 Correct 2 ms 504 KB Output is correct
110 Correct 51 ms 9696 KB Output is correct
111 Correct 58 ms 11768 KB Output is correct
112 Correct 2 ms 504 KB Output is correct
113 Correct 91 ms 15608 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 3576 KB Output is correct
2 Correct 19 ms 3576 KB Output is correct
3 Correct 19 ms 3676 KB Output is correct
4 Correct 19 ms 3576 KB Output is correct
5 Correct 19 ms 3704 KB Output is correct
6 Correct 20 ms 3832 KB Output is correct
7 Correct 20 ms 3832 KB Output is correct
8 Correct 18 ms 3572 KB Output is correct
9 Correct 18 ms 3580 KB Output is correct
10 Correct 19 ms 3832 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 5 ms 1912 KB Output is correct
13 Correct 5 ms 1912 KB Output is correct
14 Correct 5 ms 1912 KB Output is correct
15 Correct 5 ms 1912 KB Output is correct
16 Correct 5 ms 1912 KB Output is correct
17 Correct 5 ms 1912 KB Output is correct
18 Correct 6 ms 1912 KB Output is correct
19 Correct 5 ms 1912 KB Output is correct
20 Incorrect 2 ms 376 KB Output isn't correct
21 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 12792 KB Output is correct
2 Correct 55 ms 12792 KB Output is correct
3 Correct 36 ms 8568 KB Output is correct
4 Correct 9 ms 2296 KB Output is correct
5 Correct 8 ms 1400 KB Output is correct
6 Correct 16 ms 3064 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 27 ms 5368 KB Output is correct
9 Correct 36 ms 7288 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 51 ms 9712 KB Output is correct
12 Correct 59 ms 11768 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 3 ms 632 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 3 ms 504 KB Output is correct
23 Correct 2 ms 380 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 396 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 380 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Incorrect 2 ms 376 KB Output isn't correct
41 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 12792 KB Output is correct
2 Correct 55 ms 12792 KB Output is correct
3 Correct 36 ms 8568 KB Output is correct
4 Correct 9 ms 2296 KB Output is correct
5 Correct 8 ms 1400 KB Output is correct
6 Correct 16 ms 3064 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 27 ms 5368 KB Output is correct
9 Correct 36 ms 7288 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 51 ms 9712 KB Output is correct
12 Correct 59 ms 11768 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 396 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 1 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 380 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 54 ms 14072 KB Output is correct
40 Correct 53 ms 13980 KB Output is correct
41 Correct 38 ms 9448 KB Output is correct
42 Correct 10 ms 2424 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 380 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 380 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 2 ms 376 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 2 ms 380 KB Output is correct
57 Correct 65 ms 9080 KB Output is correct
58 Correct 65 ms 9208 KB Output is correct
59 Correct 61 ms 9208 KB Output is correct
60 Correct 62 ms 9208 KB Output is correct
61 Correct 62 ms 9336 KB Output is correct
62 Correct 62 ms 9336 KB Output is correct
63 Correct 61 ms 9140 KB Output is correct
64 Correct 59 ms 9052 KB Output is correct
65 Correct 63 ms 9336 KB Output is correct
66 Correct 61 ms 9336 KB Output is correct
67 Correct 67 ms 9208 KB Output is correct
68 Correct 65 ms 9208 KB Output is correct
69 Correct 70 ms 9592 KB Output is correct
70 Correct 70 ms 9488 KB Output is correct
71 Correct 2 ms 376 KB Output is correct
72 Correct 3 ms 632 KB Output is correct
73 Correct 3 ms 632 KB Output is correct
74 Correct 3 ms 636 KB Output is correct
75 Correct 3 ms 632 KB Output is correct
76 Correct 3 ms 632 KB Output is correct
77 Correct 4 ms 660 KB Output is correct
78 Correct 3 ms 636 KB Output is correct
79 Correct 3 ms 632 KB Output is correct
80 Correct 66 ms 9208 KB Output is correct
81 Correct 73 ms 9208 KB Output is correct
82 Correct 91 ms 9336 KB Output is correct
83 Correct 66 ms 9336 KB Output is correct
84 Correct 4 ms 504 KB Output is correct
85 Correct 3 ms 504 KB Output is correct
86 Correct 3 ms 504 KB Output is correct
87 Correct 3 ms 632 KB Output is correct
88 Correct 3 ms 632 KB Output is correct
89 Correct 3 ms 632 KB Output is correct
90 Correct 3 ms 504 KB Output is correct
91 Correct 4 ms 632 KB Output is correct
92 Correct 3 ms 636 KB Output is correct
93 Correct 3 ms 504 KB Output is correct
94 Correct 2 ms 376 KB Output is correct
95 Correct 2 ms 376 KB Output is correct
96 Correct 2 ms 376 KB Output is correct
97 Correct 2 ms 376 KB Output is correct
98 Correct 1 ms 376 KB Output is correct
99 Correct 2 ms 380 KB Output is correct
100 Correct 2 ms 376 KB Output is correct
101 Correct 2 ms 376 KB Output is correct
102 Correct 2 ms 376 KB Output is correct
103 Correct 2 ms 376 KB Output is correct
104 Correct 8 ms 1532 KB Output is correct
105 Correct 15 ms 3320 KB Output is correct
106 Correct 2 ms 376 KB Output is correct
107 Correct 31 ms 5368 KB Output is correct
108 Correct 35 ms 7288 KB Output is correct
109 Correct 2 ms 504 KB Output is correct
110 Correct 51 ms 9696 KB Output is correct
111 Correct 58 ms 11768 KB Output is correct
112 Correct 2 ms 504 KB Output is correct
113 Correct 91 ms 15608 KB Output is correct
114 Correct 18 ms 3576 KB Output is correct
115 Correct 19 ms 3576 KB Output is correct
116 Correct 19 ms 3676 KB Output is correct
117 Correct 19 ms 3576 KB Output is correct
118 Correct 19 ms 3704 KB Output is correct
119 Correct 20 ms 3832 KB Output is correct
120 Correct 20 ms 3832 KB Output is correct
121 Correct 18 ms 3572 KB Output is correct
122 Correct 18 ms 3580 KB Output is correct
123 Correct 19 ms 3832 KB Output is correct
124 Correct 2 ms 380 KB Output is correct
125 Correct 5 ms 1912 KB Output is correct
126 Correct 5 ms 1912 KB Output is correct
127 Correct 5 ms 1912 KB Output is correct
128 Correct 5 ms 1912 KB Output is correct
129 Correct 5 ms 1912 KB Output is correct
130 Correct 5 ms 1912 KB Output is correct
131 Correct 6 ms 1912 KB Output is correct
132 Correct 5 ms 1912 KB Output is correct
133 Incorrect 2 ms 376 KB Output isn't correct
134 Halted 0 ms 0 KB -