Submission #104476

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
104476	2019-04-07T00:47:10 Z	CaroLinda	Dreaming (IOI13_dreaming)	C++14	47 / 100	113 ms	11508 KB

dreaming

#include <bits/stdc++.h>
#include "dreaming.h"

#define MAXN 100005
#define lp(i,a,b) for(int i = a ; i < b ; i++)
#define pb push_back
#define pii pair<int,int>
#define ff first
#define ss second
#define max3(a,b,c) max(max(a,b),c)


using namespace std;

//declarations
int N , M , L;
int radio1, radio2 ;

int d[MAXN] , dX[MAXN];

bool marc[MAXN] ;

vector<int> radios ;
vector<pii> adj[MAXN] ;

//utilities

void atribution()
{ lp(i,0,N) dX[i] = d[i] ; }

void ini(int x)
{ memset(d , -1 , sizeof d) ; d[x] = 0 ;}

void dfs(int x)
{
    marc[x] = 1 ;
    lp(i , 0 , adj[x].size() )
    {
        int v = adj[x][i].ff ;
        if(d[v] != -1) continue ;
        d[v] = d[x] + adj[x][i].ss ;
        dfs(v) ;
    }
}

int findMax()
{ return max_element(d, d+N) - d ; }

int findRadio(int X , int Y)
{
    int ans = d[X] ;
    lp(i,0,N)
    {
        if(d[i] == -1) continue ;
        int a = d[i] , b = dX[i] ;
        a = max(a,b) ;
        ans = min(ans , a) ;
    }
    return ans ;
}


int travelTime( int n , int m , int l , int A[] , int B[] , int T[] )
{
    N = n , M = m , L = l;
    int ans = -1 ;

    vector<int> edge ;

    lp(i,0,M)
    {
        int a = A[i] , b = B[i] ;
        adj[a].pb( pii(b, T[i]) ) ;
        adj[b].pb( pii(a, T[i]) ) ;
        edge.pb(T[i]) ;
    }

    if(M < N-2)
    {
        sort(edge.begin() , edge.end()) ;
        reverse(edge.begin() , edge.end()) ;
        lp(i,0,M) ans = max(ans , edge[i]) ;
        if(M <= 3)
            lp(i,0,3) edge.pb(0) ;
        ans = max( ans , edge[0] + edge[1] + L ) ;
        ans = max( ans , edge[1] + edge[2] + 2*L ) ;
        return ans ;
    }

    lp(i,0,N)
        if(!marc[i])
        {
            ini(i) ; dfs(i) ;
            int X = findMax() ;
            ini(X) ; dfs(X) ;
            atribution() ;
            int Y = findMax() ;
            ini(Y) ; dfs(Y) ;
            int k = findRadio(X,Y) ;
            radios.pb(k) ;
            ans = max(ans, d[X]) ;
            //printf("%d %d %d\n", X, Y, k) ;
        }

    sort(radios.begin() , radios.end()) ;
    reverse(radios.begin() , radios.end() ) ;

    ans = max( ans , radios[0] + radios[1] + L ) ;

    if(radios.size() == 2) return ans ;

    ans = max( ans , radios[1] + radios[2] + 2*L ) ;

    return ans ;

}

/*int main()
{
    int n , m , l , a[MAXN] , b[MAXN] , t[MAXN] ;
    scanf("%d %d %d", &n, &m, &l) ;
    lp(i,0,m) scanf("%d%d%d", &a[i] , &b[i] , &t[i]) ;
    printf("%d\n",travelTime(n,m,l,a,b,t)) ;
}*/

Compilation message

dreaming.cpp: In function 'void dfs(int)':
dreaming.cpp:5:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define lp(i,a,b) for(int i = a ; i < b ; i++)
dreaming.cpp:37:8:
     lp(i , 0 , adj[x].size() )
        ~~~~~~~~~~~~~~~~~~~~~         
dreaming.cpp:37:5: note: in expansion of macro 'lp'
     lp(i , 0 , adj[x].size() )
     ^~

Subtask #1
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	67 ms	10608 KB	Output is correct
2	Correct	73 ms	10608 KB	Output is correct
3	Correct	42 ms	8052 KB	Output is correct
4	Correct	12 ms	4224 KB	Output is correct
5	Correct	11 ms	3840 KB	Output is correct
6	Correct	18 ms	4864 KB	Output is correct
7	Correct	5 ms	3072 KB	Output is correct
8	Correct	33 ms	5876 KB	Output is correct
9	Correct	43 ms	6900 KB	Output is correct
10	Correct	4 ms	3200 KB	Output is correct
11	Correct	58 ms	8180 KB	Output is correct
12	Correct	88 ms	9560 KB	Output is correct
13	Correct	4 ms	3200 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	67 ms	10608 KB	Output is correct
2	Correct	73 ms	10608 KB	Output is correct
3	Correct	42 ms	8052 KB	Output is correct
4	Correct	12 ms	4224 KB	Output is correct
5	Correct	11 ms	3840 KB	Output is correct
6	Correct	18 ms	4864 KB	Output is correct
7	Correct	5 ms	3072 KB	Output is correct
8	Correct	33 ms	5876 KB	Output is correct
9	Correct	43 ms	6900 KB	Output is correct
10	Correct	4 ms	3200 KB	Output is correct
11	Correct	58 ms	8180 KB	Output is correct
12	Correct	88 ms	9560 KB	Output is correct
13	Correct	4 ms	3200 KB	Output is correct
14	Correct	4 ms	3072 KB	Output is correct
15	Correct	4 ms	3072 KB	Output is correct
16	Correct	4 ms	3072 KB	Output is correct
17	Correct	4 ms	3072 KB	Output is correct
18	Correct	4 ms	3072 KB	Output is correct
19	Correct	5 ms	3072 KB	Output is correct
20	Correct	4 ms	3072 KB	Output is correct
21	Correct	4 ms	3072 KB	Output is correct
22	Correct	4 ms	3072 KB	Output is correct
23	Correct	4 ms	3072 KB	Output is correct
24	Correct	4 ms	3072 KB	Output is correct
25	Correct	5 ms	3072 KB	Output is correct
26	Correct	4 ms	3072 KB	Output is correct
27	Correct	5 ms	3072 KB	Output is correct
28	Correct	4 ms	3072 KB	Output is correct
29	Correct	4 ms	3072 KB	Output is correct
30	Correct	4 ms	3072 KB	Output is correct
31	Correct	4 ms	3072 KB	Output is correct
32	Correct	4 ms	3072 KB	Output is correct
33	Correct	4 ms	3072 KB	Output is correct
34	Correct	4 ms	3072 KB	Output is correct
35	Correct	4 ms	3072 KB	Output is correct
36	Correct	4 ms	3072 KB	Output is correct
37	Correct	4 ms	3072 KB	Output is correct
38	Correct	4 ms	3072 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	67 ms	10608 KB	Output is correct
2	Correct	73 ms	10608 KB	Output is correct
3	Correct	42 ms	8052 KB	Output is correct
4	Correct	12 ms	4224 KB	Output is correct
5	Correct	11 ms	3840 KB	Output is correct
6	Correct	18 ms	4864 KB	Output is correct
7	Correct	5 ms	3072 KB	Output is correct
8	Correct	33 ms	5876 KB	Output is correct
9	Correct	43 ms	6900 KB	Output is correct
10	Correct	4 ms	3200 KB	Output is correct
11	Correct	58 ms	8180 KB	Output is correct
12	Correct	88 ms	9560 KB	Output is correct
13	Correct	4 ms	3200 KB	Output is correct
14	Correct	4 ms	3072 KB	Output is correct
15	Correct	4 ms	3072 KB	Output is correct
16	Correct	4 ms	3072 KB	Output is correct
17	Correct	4 ms	3072 KB	Output is correct
18	Correct	4 ms	3072 KB	Output is correct
19	Correct	5 ms	3072 KB	Output is correct
20	Correct	4 ms	3072 KB	Output is correct
21	Correct	4 ms	3072 KB	Output is correct
22	Correct	4 ms	3072 KB	Output is correct
23	Correct	4 ms	3072 KB	Output is correct
24	Correct	4 ms	3072 KB	Output is correct
25	Correct	5 ms	3072 KB	Output is correct
26	Correct	4 ms	3072 KB	Output is correct
27	Correct	5 ms	3072 KB	Output is correct
28	Correct	4 ms	3072 KB	Output is correct
29	Correct	4 ms	3072 KB	Output is correct
30	Correct	4 ms	3072 KB	Output is correct
31	Correct	4 ms	3072 KB	Output is correct
32	Correct	4 ms	3072 KB	Output is correct
33	Correct	4 ms	3072 KB	Output is correct
34	Correct	4 ms	3072 KB	Output is correct
35	Correct	4 ms	3072 KB	Output is correct
36	Correct	4 ms	3072 KB	Output is correct
37	Correct	4 ms	3072 KB	Output is correct
38	Correct	4 ms	3072 KB	Output is correct
39	Correct	83 ms	10736 KB	Output is correct
40	Correct	97 ms	10656 KB	Output is correct
41	Correct	43 ms	8052 KB	Output is correct
42	Correct	12 ms	4224 KB	Output is correct
43	Correct	4 ms	3072 KB	Output is correct
44	Correct	5 ms	3072 KB	Output is correct
45	Correct	4 ms	3072 KB	Output is correct
46	Correct	4 ms	3072 KB	Output is correct
47	Correct	4 ms	3044 KB	Output is correct
48	Correct	4 ms	3072 KB	Output is correct
49	Correct	4 ms	3072 KB	Output is correct
50	Correct	4 ms	3072 KB	Output is correct
51	Correct	4 ms	3072 KB	Output is correct
52	Correct	4 ms	3072 KB	Output is correct
53	Correct	4 ms	3072 KB	Output is correct
54	Correct	5 ms	3072 KB	Output is correct
55	Correct	4 ms	3072 KB	Output is correct
56	Correct	4 ms	3072 KB	Output is correct
57	Correct	86 ms	9072 KB	Output is correct
58	Correct	87 ms	9072 KB	Output is correct
59	Correct	92 ms	9072 KB	Output is correct
60	Correct	81 ms	9012 KB	Output is correct
61	Correct	84 ms	8928 KB	Output is correct
62	Correct	78 ms	8944 KB	Output is correct
63	Correct	73 ms	8816 KB	Output is correct
64	Correct	78 ms	8812 KB	Output is correct
65	Correct	77 ms	8816 KB	Output is correct
66	Correct	74 ms	8816 KB	Output is correct
67	Correct	84 ms	8944 KB	Output is correct
68	Correct	81 ms	8944 KB	Output is correct
69	Correct	98 ms	9072 KB	Output is correct
70	Correct	90 ms	8944 KB	Output is correct
71	Correct	4 ms	3072 KB	Output is correct
72	Correct	6 ms	3328 KB	Output is correct
73	Correct	6 ms	3328 KB	Output is correct
74	Correct	5 ms	3328 KB	Output is correct
75	Correct	6 ms	3328 KB	Output is correct
76	Correct	6 ms	3328 KB	Output is correct
77	Correct	6 ms	3328 KB	Output is correct
78	Correct	6 ms	3328 KB	Output is correct
79	Correct	6 ms	3328 KB	Output is correct
80	Correct	113 ms	9084 KB	Output is correct
81	Correct	81 ms	8944 KB	Output is correct
82	Correct	83 ms	8964 KB	Output is correct
83	Correct	74 ms	8948 KB	Output is correct
84	Correct	5 ms	3200 KB	Output is correct
85	Correct	6 ms	3200 KB	Output is correct
86	Correct	5 ms	3200 KB	Output is correct
87	Correct	5 ms	3200 KB	Output is correct
88	Correct	6 ms	3200 KB	Output is correct
89	Correct	6 ms	3200 KB	Output is correct
90	Correct	5 ms	3200 KB	Output is correct
91	Correct	6 ms	3328 KB	Output is correct
92	Correct	6 ms	3200 KB	Output is correct
93	Correct	6 ms	3200 KB	Output is correct
94	Correct	4 ms	3072 KB	Output is correct
95	Correct	4 ms	3072 KB	Output is correct
96	Correct	4 ms	3072 KB	Output is correct
97	Correct	4 ms	3072 KB	Output is correct
98	Correct	4 ms	3072 KB	Output is correct
99	Correct	4 ms	3072 KB	Output is correct
100	Correct	4 ms	3072 KB	Output is correct
101	Correct	4 ms	3072 KB	Output is correct
102	Correct	5 ms	3072 KB	Output is correct
103	Correct	4 ms	3072 KB	Output is correct
104	Correct	10 ms	3812 KB	Output is correct
105	Correct	28 ms	4864 KB	Output is correct
106	Correct	4 ms	3072 KB	Output is correct
107	Correct	31 ms	5884 KB	Output is correct
108	Correct	40 ms	7036 KB	Output is correct
109	Correct	5 ms	3200 KB	Output is correct
110	Correct	72 ms	8176 KB	Output is correct
111	Correct	63 ms	9328 KB	Output is correct
112	Correct	4 ms	3072 KB	Output is correct
113	Correct	93 ms	11508 KB	Output is correct

Subtask #4
0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	25 ms	5120 KB	Output is correct
2	Correct	24 ms	5120 KB	Output is correct
3	Correct	23 ms	5120 KB	Output is correct
4	Correct	27 ms	5120 KB	Output is correct
5	Correct	22 ms	5120 KB	Output is correct
6	Correct	22 ms	5368 KB	Output is correct
7	Correct	27 ms	5240 KB	Output is correct
8	Correct	23 ms	5120 KB	Output is correct
9	Correct	22 ms	5120 KB	Output is correct
10	Correct	25 ms	5248 KB	Output is correct
11	Correct	3 ms	2688 KB	Output is correct
12	Correct	3 ms	2688 KB	Output is correct
13	Correct	4 ms	2688 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	2688 KB	Output is correct
18	Correct	4 ms	2688 KB	Output is correct
19	Correct	3 ms	2688 KB	Output is correct
20	Incorrect	4 ms	3072 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	67 ms	10608 KB	Output is correct
2	Correct	73 ms	10608 KB	Output is correct
3	Correct	42 ms	8052 KB	Output is correct
4	Correct	12 ms	4224 KB	Output is correct
5	Correct	11 ms	3840 KB	Output is correct
6	Correct	18 ms	4864 KB	Output is correct
7	Correct	5 ms	3072 KB	Output is correct
8	Correct	33 ms	5876 KB	Output is correct
9	Correct	43 ms	6900 KB	Output is correct
10	Correct	4 ms	3200 KB	Output is correct
11	Correct	58 ms	8180 KB	Output is correct
12	Correct	88 ms	9560 KB	Output is correct
13	Correct	4 ms	3200 KB	Output is correct
14	Incorrect	4 ms	2688 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	67 ms	10608 KB	Output is correct
2	Correct	73 ms	10608 KB	Output is correct
3	Correct	42 ms	8052 KB	Output is correct
4	Correct	12 ms	4224 KB	Output is correct
5	Correct	11 ms	3840 KB	Output is correct
6	Correct	18 ms	4864 KB	Output is correct
7	Correct	5 ms	3072 KB	Output is correct
8	Correct	33 ms	5876 KB	Output is correct
9	Correct	43 ms	6900 KB	Output is correct
10	Correct	4 ms	3200 KB	Output is correct
11	Correct	58 ms	8180 KB	Output is correct
12	Correct	88 ms	9560 KB	Output is correct
13	Correct	4 ms	3200 KB	Output is correct
14	Correct	4 ms	3072 KB	Output is correct
15	Correct	4 ms	3072 KB	Output is correct
16	Correct	4 ms	3072 KB	Output is correct
17	Correct	4 ms	3072 KB	Output is correct
18	Correct	4 ms	3072 KB	Output is correct
19	Correct	5 ms	3072 KB	Output is correct
20	Correct	4 ms	3072 KB	Output is correct
21	Correct	4 ms	3072 KB	Output is correct
22	Correct	4 ms	3072 KB	Output is correct
23	Correct	4 ms	3072 KB	Output is correct
24	Correct	4 ms	3072 KB	Output is correct
25	Correct	5 ms	3072 KB	Output is correct
26	Correct	4 ms	3072 KB	Output is correct
27	Correct	5 ms	3072 KB	Output is correct
28	Correct	4 ms	3072 KB	Output is correct
29	Correct	4 ms	3072 KB	Output is correct
30	Correct	4 ms	3072 KB	Output is correct
31	Correct	4 ms	3072 KB	Output is correct
32	Correct	4 ms	3072 KB	Output is correct
33	Correct	4 ms	3072 KB	Output is correct
34	Correct	4 ms	3072 KB	Output is correct
35	Correct	4 ms	3072 KB	Output is correct
36	Correct	4 ms	3072 KB	Output is correct
37	Correct	4 ms	3072 KB	Output is correct
38	Correct	4 ms	3072 KB	Output is correct
39	Correct	83 ms	10736 KB	Output is correct
40	Correct	97 ms	10656 KB	Output is correct
41	Correct	43 ms	8052 KB	Output is correct
42	Correct	12 ms	4224 KB	Output is correct
43	Correct	4 ms	3072 KB	Output is correct
44	Correct	5 ms	3072 KB	Output is correct
45	Correct	4 ms	3072 KB	Output is correct
46	Correct	4 ms	3072 KB	Output is correct
47	Correct	4 ms	3044 KB	Output is correct
48	Correct	4 ms	3072 KB	Output is correct
49	Correct	4 ms	3072 KB	Output is correct
50	Correct	4 ms	3072 KB	Output is correct
51	Correct	4 ms	3072 KB	Output is correct
52	Correct	4 ms	3072 KB	Output is correct
53	Correct	4 ms	3072 KB	Output is correct
54	Correct	5 ms	3072 KB	Output is correct
55	Correct	4 ms	3072 KB	Output is correct
56	Correct	4 ms	3072 KB	Output is correct
57	Correct	86 ms	9072 KB	Output is correct
58	Correct	87 ms	9072 KB	Output is correct
59	Correct	92 ms	9072 KB	Output is correct
60	Correct	81 ms	9012 KB	Output is correct
61	Correct	84 ms	8928 KB	Output is correct
62	Correct	78 ms	8944 KB	Output is correct
63	Correct	73 ms	8816 KB	Output is correct
64	Correct	78 ms	8812 KB	Output is correct
65	Correct	77 ms	8816 KB	Output is correct
66	Correct	74 ms	8816 KB	Output is correct
67	Correct	84 ms	8944 KB	Output is correct
68	Correct	81 ms	8944 KB	Output is correct
69	Correct	98 ms	9072 KB	Output is correct
70	Correct	90 ms	8944 KB	Output is correct
71	Correct	4 ms	3072 KB	Output is correct
72	Correct	6 ms	3328 KB	Output is correct
73	Correct	6 ms	3328 KB	Output is correct
74	Correct	5 ms	3328 KB	Output is correct
75	Correct	6 ms	3328 KB	Output is correct
76	Correct	6 ms	3328 KB	Output is correct
77	Correct	6 ms	3328 KB	Output is correct
78	Correct	6 ms	3328 KB	Output is correct
79	Correct	6 ms	3328 KB	Output is correct
80	Correct	113 ms	9084 KB	Output is correct
81	Correct	81 ms	8944 KB	Output is correct
82	Correct	83 ms	8964 KB	Output is correct
83	Correct	74 ms	8948 KB	Output is correct
84	Correct	5 ms	3200 KB	Output is correct
85	Correct	6 ms	3200 KB	Output is correct
86	Correct	5 ms	3200 KB	Output is correct
87	Correct	5 ms	3200 KB	Output is correct
88	Correct	6 ms	3200 KB	Output is correct
89	Correct	6 ms	3200 KB	Output is correct
90	Correct	5 ms	3200 KB	Output is correct
91	Correct	6 ms	3328 KB	Output is correct
92	Correct	6 ms	3200 KB	Output is correct
93	Correct	6 ms	3200 KB	Output is correct
94	Correct	4 ms	3072 KB	Output is correct
95	Correct	4 ms	3072 KB	Output is correct
96	Correct	4 ms	3072 KB	Output is correct
97	Correct	4 ms	3072 KB	Output is correct
98	Correct	4 ms	3072 KB	Output is correct
99	Correct	4 ms	3072 KB	Output is correct
100	Correct	4 ms	3072 KB	Output is correct
101	Correct	4 ms	3072 KB	Output is correct
102	Correct	5 ms	3072 KB	Output is correct
103	Correct	4 ms	3072 KB	Output is correct
104	Correct	10 ms	3812 KB	Output is correct
105	Correct	28 ms	4864 KB	Output is correct
106	Correct	4 ms	3072 KB	Output is correct
107	Correct	31 ms	5884 KB	Output is correct
108	Correct	40 ms	7036 KB	Output is correct
109	Correct	5 ms	3200 KB	Output is correct
110	Correct	72 ms	8176 KB	Output is correct
111	Correct	63 ms	9328 KB	Output is correct
112	Correct	4 ms	3072 KB	Output is correct
113	Correct	93 ms	11508 KB	Output is correct
114	Correct	25 ms	5120 KB	Output is correct
115	Correct	24 ms	5120 KB	Output is correct
116	Correct	23 ms	5120 KB	Output is correct
117	Correct	27 ms	5120 KB	Output is correct
118	Correct	22 ms	5120 KB	Output is correct
119	Correct	22 ms	5368 KB	Output is correct
120	Correct	27 ms	5240 KB	Output is correct
121	Correct	23 ms	5120 KB	Output is correct
122	Correct	22 ms	5120 KB	Output is correct
123	Correct	25 ms	5248 KB	Output is correct
124	Correct	3 ms	2688 KB	Output is correct
125	Correct	3 ms	2688 KB	Output is correct
126	Correct	4 ms	2688 KB	Output is correct
127	Correct	4 ms	2688 KB	Output is correct
128	Correct	4 ms	2688 KB	Output is correct
129	Correct	4 ms	2688 KB	Output is correct
130	Correct	4 ms	2688 KB	Output is correct
131	Correct	4 ms	2688 KB	Output is correct
132	Correct	3 ms	2688 KB	Output is correct
133	Incorrect	4 ms	3072 KB	Output isn't correct
134	Halted	0 ms	0 KB	-

Submission #104476

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