답안 #337323

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
337323	2020-12-19T17:50:56 Z	bigDuck	꿈 (IOI13_dreaming)	C++14	47 / 100	132 ms	24812 KB

dreaming

#include "dreaming.h"
#include<bits/stdc++.h>
using namespace std;
#define INIT  ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define mp make_pair
#define pb push_back
#define ft first
#define sc second
#define ll long long
#define pii pair<int, int>
#define count_bits __builtin_popcount
#define int ll




vector<pii> g[100010];
int dp[100010][2];
pii dir[100010][2];



bool v[100010];

int h[100010], c;
int d[100010];


int dfs(int s){
v[s]=true;

for(pii e:g[s]){
    int l=e.sc, u=e.ft;
    if(!v[u]){
        dfs(u);
        if( (dp[u][0]+l)>dp[s][0]){
            dp[s][1]=dp[s][0];
            dp[s][0]=dp[u][0]+l;

            dir[s][1]=dir[s][0];
            dir[s][0]={u, l};
        }
        else{
            if( (dp[u][0]+l)>dp[s][1] ){
                dp[s][1]=dp[u][0]+l;
                dir[s][1]={u, l};
            }
        }
    }

}


return dp[s][0];
}




int dfs2(int s, int up){
int ac=dp[s][0];

if(ac<=max(up, dp[s][1]) ){
    return ac;
}
int l=dir[s][0].sc;
int r=dfs2(dir[s][0].ft, max(up+l, dp[s][1]+l) );


if( ( max(r , max(up+l, dp[s][1]+l) )<max(up, dp[s][0])  )   ){
    return max(r, max(up+l, dp[s][1]+l));
}
else{
    return max(up, dp[s][0]);
}

}



bool v2[100010];

pii diam(int s){
    v2[s]=true;

    pii r={0, s};
    for(pii e:g[s]){
        int u=e.ft, l=e.sc;
        if(!v2[u]){
            pii p=diam(u); p.ft+=l;
            if(p.ft>=r.ft){
                r=p;
            }
        }
    }
    v2[s]=false;
    return r;
}







int32_t travelTime(int32_t n, int32_t m, int32_t l, int32_t a[], int32_t b[], int32_t t[]){

    for(int i=0;i<m; i++){
        int u=a[i], v=b[i];
        g[u].pb({v, t[i]}); g[v].pb({u, t[i]});
    }
    int res=0;
    for(int i=0; i<n; i++){
        if(!v[i]){
            c++;
            dfs(i);
            int r=dfs2(i, dp[i][1]);
            pii p=diam(i);
            p=diam(p.sc);
            d[c]=p.ft;
            h[c]=r;
            res=max(res, d[c]);
        }
    }

    sort(h+1, h+1+c);
    int cr=h[c]+l;
    for(int i=c-1; i>=1; i--){
        res=max(res, h[i]+cr);
    }
    return res;
}

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	20844 KB	Output is correct
2	Correct	66 ms	20844 KB	Output is correct
3	Correct	48 ms	14956 KB	Output is correct
4	Correct	10 ms	5356 KB	Output is correct
5	Correct	9 ms	4480 KB	Output is correct
6	Correct	17 ms	6892 KB	Output is correct
7	Correct	2 ms	2816 KB	Output is correct
8	Correct	34 ms	9728 KB	Output is correct
9	Correct	48 ms	12672 KB	Output is correct
10	Correct	2 ms	2796 KB	Output is correct
11	Correct	77 ms	15468 KB	Output is correct
12	Correct	95 ms	18284 KB	Output is correct
13	Correct	3 ms	2924 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	20844 KB	Output is correct
2	Correct	66 ms	20844 KB	Output is correct
3	Correct	48 ms	14956 KB	Output is correct
4	Correct	10 ms	5356 KB	Output is correct
5	Correct	9 ms	4480 KB	Output is correct
6	Correct	17 ms	6892 KB	Output is correct
7	Correct	2 ms	2816 KB	Output is correct
8	Correct	34 ms	9728 KB	Output is correct
9	Correct	48 ms	12672 KB	Output is correct
10	Correct	2 ms	2796 KB	Output is correct
11	Correct	77 ms	15468 KB	Output is correct
12	Correct	95 ms	18284 KB	Output is correct
13	Correct	3 ms	2924 KB	Output is correct
14	Correct	2 ms	2668 KB	Output is correct
15	Correct	2 ms	2668 KB	Output is correct
16	Correct	2 ms	2668 KB	Output is correct
17	Correct	2 ms	2668 KB	Output is correct
18	Correct	2 ms	2668 KB	Output is correct
19	Correct	2 ms	2668 KB	Output is correct
20	Correct	2 ms	2668 KB	Output is correct
21	Correct	2 ms	2668 KB	Output is correct
22	Correct	2 ms	2668 KB	Output is correct
23	Correct	2 ms	2796 KB	Output is correct
24	Correct	2 ms	2796 KB	Output is correct
25	Correct	2 ms	2816 KB	Output is correct
26	Correct	2 ms	2796 KB	Output is correct
27	Correct	2 ms	2796 KB	Output is correct
28	Correct	3 ms	2668 KB	Output is correct
29	Correct	2 ms	2796 KB	Output is correct
30	Correct	3 ms	2796 KB	Output is correct
31	Correct	2 ms	2796 KB	Output is correct
32	Correct	2 ms	2796 KB	Output is correct
33	Correct	2 ms	2796 KB	Output is correct
34	Correct	2 ms	2796 KB	Output is correct
35	Correct	3 ms	2796 KB	Output is correct
36	Correct	2 ms	2796 KB	Output is correct
37	Correct	2 ms	2796 KB	Output is correct
38	Correct	2 ms	2668 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	20844 KB	Output is correct
2	Correct	66 ms	20844 KB	Output is correct
3	Correct	48 ms	14956 KB	Output is correct
4	Correct	10 ms	5356 KB	Output is correct
5	Correct	9 ms	4480 KB	Output is correct
6	Correct	17 ms	6892 KB	Output is correct
7	Correct	2 ms	2816 KB	Output is correct
8	Correct	34 ms	9728 KB	Output is correct
9	Correct	48 ms	12672 KB	Output is correct
10	Correct	2 ms	2796 KB	Output is correct
11	Correct	77 ms	15468 KB	Output is correct
12	Correct	95 ms	18284 KB	Output is correct
13	Correct	3 ms	2924 KB	Output is correct
14	Correct	2 ms	2668 KB	Output is correct
15	Correct	2 ms	2668 KB	Output is correct
16	Correct	2 ms	2668 KB	Output is correct
17	Correct	2 ms	2668 KB	Output is correct
18	Correct	2 ms	2668 KB	Output is correct
19	Correct	2 ms	2668 KB	Output is correct
20	Correct	2 ms	2668 KB	Output is correct
21	Correct	2 ms	2668 KB	Output is correct
22	Correct	2 ms	2668 KB	Output is correct
23	Correct	2 ms	2796 KB	Output is correct
24	Correct	2 ms	2796 KB	Output is correct
25	Correct	2 ms	2816 KB	Output is correct
26	Correct	2 ms	2796 KB	Output is correct
27	Correct	2 ms	2796 KB	Output is correct
28	Correct	3 ms	2668 KB	Output is correct
29	Correct	2 ms	2796 KB	Output is correct
30	Correct	3 ms	2796 KB	Output is correct
31	Correct	2 ms	2796 KB	Output is correct
32	Correct	2 ms	2796 KB	Output is correct
33	Correct	2 ms	2796 KB	Output is correct
34	Correct	2 ms	2796 KB	Output is correct
35	Correct	3 ms	2796 KB	Output is correct
36	Correct	2 ms	2796 KB	Output is correct
37	Correct	2 ms	2796 KB	Output is correct
38	Correct	2 ms	2668 KB	Output is correct
39	Correct	67 ms	20844 KB	Output is correct
40	Correct	65 ms	20844 KB	Output is correct
41	Correct	44 ms	14956 KB	Output is correct
42	Correct	10 ms	5356 KB	Output is correct
43	Correct	2 ms	2668 KB	Output is correct
44	Correct	2 ms	2668 KB	Output is correct
45	Correct	2 ms	2668 KB	Output is correct
46	Correct	2 ms	2668 KB	Output is correct
47	Correct	2 ms	2668 KB	Output is correct
48	Correct	2 ms	2668 KB	Output is correct
49	Correct	2 ms	2668 KB	Output is correct
50	Correct	3 ms	2816 KB	Output is correct
51	Correct	2 ms	2668 KB	Output is correct
52	Correct	2 ms	2668 KB	Output is correct
53	Correct	2 ms	2668 KB	Output is correct
54	Correct	2 ms	2668 KB	Output is correct
55	Correct	2 ms	2668 KB	Output is correct
56	Correct	2 ms	2668 KB	Output is correct
57	Correct	112 ms	16052 KB	Output is correct
58	Correct	105 ms	15980 KB	Output is correct
59	Correct	97 ms	15724 KB	Output is correct
60	Correct	108 ms	15724 KB	Output is correct
61	Correct	98 ms	15724 KB	Output is correct
62	Correct	100 ms	15724 KB	Output is correct
63	Correct	94 ms	15212 KB	Output is correct
64	Correct	94 ms	15212 KB	Output is correct
65	Correct	100 ms	15596 KB	Output is correct
66	Correct	100 ms	15508 KB	Output is correct
67	Correct	102 ms	15724 KB	Output is correct
68	Correct	104 ms	15724 KB	Output is correct
69	Correct	113 ms	16108 KB	Output is correct
70	Correct	106 ms	15980 KB	Output is correct
71	Correct	2 ms	2668 KB	Output is correct
72	Correct	4 ms	3052 KB	Output is correct
73	Correct	4 ms	3052 KB	Output is correct
74	Correct	4 ms	3052 KB	Output is correct
75	Correct	4 ms	3052 KB	Output is correct
76	Correct	4 ms	3052 KB	Output is correct
77	Correct	4 ms	3052 KB	Output is correct
78	Correct	4 ms	3180 KB	Output is correct
79	Correct	4 ms	3180 KB	Output is correct
80	Correct	106 ms	15852 KB	Output is correct
81	Correct	103 ms	15724 KB	Output is correct
82	Correct	97 ms	15724 KB	Output is correct
83	Correct	102 ms	15852 KB	Output is correct
84	Correct	3 ms	3052 KB	Output is correct
85	Correct	3 ms	2924 KB	Output is correct
86	Correct	3 ms	3052 KB	Output is correct
87	Correct	3 ms	3052 KB	Output is correct
88	Correct	3 ms	3052 KB	Output is correct
89	Correct	3 ms	3052 KB	Output is correct
90	Correct	4 ms	3052 KB	Output is correct
91	Correct	4 ms	3052 KB	Output is correct
92	Correct	4 ms	3052 KB	Output is correct
93	Correct	4 ms	3052 KB	Output is correct
94	Correct	2 ms	2668 KB	Output is correct
95	Correct	2 ms	2668 KB	Output is correct
96	Correct	2 ms	2668 KB	Output is correct
97	Correct	2 ms	2668 KB	Output is correct
98	Correct	2 ms	2668 KB	Output is correct
99	Correct	2 ms	2668 KB	Output is correct
100	Correct	2 ms	2668 KB	Output is correct
101	Correct	2 ms	2668 KB	Output is correct
102	Correct	2 ms	2668 KB	Output is correct
103	Correct	2 ms	2668 KB	Output is correct
104	Correct	9 ms	4460 KB	Output is correct
105	Correct	17 ms	6892 KB	Output is correct
106	Correct	2 ms	2796 KB	Output is correct
107	Correct	36 ms	9708 KB	Output is correct
108	Correct	50 ms	12652 KB	Output is correct
109	Correct	2 ms	2796 KB	Output is correct
110	Correct	74 ms	15468 KB	Output is correct
111	Correct	93 ms	18156 KB	Output is correct
112	Correct	3 ms	2924 KB	Output is correct
113	Correct	132 ms	24812 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	30 ms	10988 KB	Output is correct
2	Incorrect	30 ms	11116 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	20844 KB	Output is correct
2	Correct	66 ms	20844 KB	Output is correct
3	Correct	48 ms	14956 KB	Output is correct
4	Correct	10 ms	5356 KB	Output is correct
5	Correct	9 ms	4480 KB	Output is correct
6	Correct	17 ms	6892 KB	Output is correct
7	Correct	2 ms	2816 KB	Output is correct
8	Correct	34 ms	9728 KB	Output is correct
9	Correct	48 ms	12672 KB	Output is correct
10	Correct	2 ms	2796 KB	Output is correct
11	Correct	77 ms	15468 KB	Output is correct
12	Correct	95 ms	18284 KB	Output is correct
13	Correct	3 ms	2924 KB	Output is correct
14	Correct	3 ms	2796 KB	Output is correct
15	Correct	3 ms	2924 KB	Output is correct
16	Correct	3 ms	3052 KB	Output is correct
17	Correct	3 ms	2796 KB	Output is correct
18	Correct	3 ms	2924 KB	Output is correct
19	Correct	3 ms	3052 KB	Output is correct
20	Incorrect	3 ms	2796 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	20844 KB	Output is correct
2	Correct	66 ms	20844 KB	Output is correct
3	Correct	48 ms	14956 KB	Output is correct
4	Correct	10 ms	5356 KB	Output is correct
5	Correct	9 ms	4480 KB	Output is correct
6	Correct	17 ms	6892 KB	Output is correct
7	Correct	2 ms	2816 KB	Output is correct
8	Correct	34 ms	9728 KB	Output is correct
9	Correct	48 ms	12672 KB	Output is correct
10	Correct	2 ms	2796 KB	Output is correct
11	Correct	77 ms	15468 KB	Output is correct
12	Correct	95 ms	18284 KB	Output is correct
13	Correct	3 ms	2924 KB	Output is correct
14	Correct	2 ms	2668 KB	Output is correct
15	Correct	2 ms	2668 KB	Output is correct
16	Correct	2 ms	2668 KB	Output is correct
17	Correct	2 ms	2668 KB	Output is correct
18	Correct	2 ms	2668 KB	Output is correct
19	Correct	2 ms	2668 KB	Output is correct
20	Correct	2 ms	2668 KB	Output is correct
21	Correct	2 ms	2668 KB	Output is correct
22	Correct	2 ms	2668 KB	Output is correct
23	Correct	2 ms	2796 KB	Output is correct
24	Correct	2 ms	2796 KB	Output is correct
25	Correct	2 ms	2816 KB	Output is correct
26	Correct	2 ms	2796 KB	Output is correct
27	Correct	2 ms	2796 KB	Output is correct
28	Correct	3 ms	2668 KB	Output is correct
29	Correct	2 ms	2796 KB	Output is correct
30	Correct	3 ms	2796 KB	Output is correct
31	Correct	2 ms	2796 KB	Output is correct
32	Correct	2 ms	2796 KB	Output is correct
33	Correct	2 ms	2796 KB	Output is correct
34	Correct	2 ms	2796 KB	Output is correct
35	Correct	3 ms	2796 KB	Output is correct
36	Correct	2 ms	2796 KB	Output is correct
37	Correct	2 ms	2796 KB	Output is correct
38	Correct	2 ms	2668 KB	Output is correct
39	Correct	67 ms	20844 KB	Output is correct
40	Correct	65 ms	20844 KB	Output is correct
41	Correct	44 ms	14956 KB	Output is correct
42	Correct	10 ms	5356 KB	Output is correct
43	Correct	2 ms	2668 KB	Output is correct
44	Correct	2 ms	2668 KB	Output is correct
45	Correct	2 ms	2668 KB	Output is correct
46	Correct	2 ms	2668 KB	Output is correct
47	Correct	2 ms	2668 KB	Output is correct
48	Correct	2 ms	2668 KB	Output is correct
49	Correct	2 ms	2668 KB	Output is correct
50	Correct	3 ms	2816 KB	Output is correct
51	Correct	2 ms	2668 KB	Output is correct
52	Correct	2 ms	2668 KB	Output is correct
53	Correct	2 ms	2668 KB	Output is correct
54	Correct	2 ms	2668 KB	Output is correct
55	Correct	2 ms	2668 KB	Output is correct
56	Correct	2 ms	2668 KB	Output is correct
57	Correct	112 ms	16052 KB	Output is correct
58	Correct	105 ms	15980 KB	Output is correct
59	Correct	97 ms	15724 KB	Output is correct
60	Correct	108 ms	15724 KB	Output is correct
61	Correct	98 ms	15724 KB	Output is correct
62	Correct	100 ms	15724 KB	Output is correct
63	Correct	94 ms	15212 KB	Output is correct
64	Correct	94 ms	15212 KB	Output is correct
65	Correct	100 ms	15596 KB	Output is correct
66	Correct	100 ms	15508 KB	Output is correct
67	Correct	102 ms	15724 KB	Output is correct
68	Correct	104 ms	15724 KB	Output is correct
69	Correct	113 ms	16108 KB	Output is correct
70	Correct	106 ms	15980 KB	Output is correct
71	Correct	2 ms	2668 KB	Output is correct
72	Correct	4 ms	3052 KB	Output is correct
73	Correct	4 ms	3052 KB	Output is correct
74	Correct	4 ms	3052 KB	Output is correct
75	Correct	4 ms	3052 KB	Output is correct
76	Correct	4 ms	3052 KB	Output is correct
77	Correct	4 ms	3052 KB	Output is correct
78	Correct	4 ms	3180 KB	Output is correct
79	Correct	4 ms	3180 KB	Output is correct
80	Correct	106 ms	15852 KB	Output is correct
81	Correct	103 ms	15724 KB	Output is correct
82	Correct	97 ms	15724 KB	Output is correct
83	Correct	102 ms	15852 KB	Output is correct
84	Correct	3 ms	3052 KB	Output is correct
85	Correct	3 ms	2924 KB	Output is correct
86	Correct	3 ms	3052 KB	Output is correct
87	Correct	3 ms	3052 KB	Output is correct
88	Correct	3 ms	3052 KB	Output is correct
89	Correct	3 ms	3052 KB	Output is correct
90	Correct	4 ms	3052 KB	Output is correct
91	Correct	4 ms	3052 KB	Output is correct
92	Correct	4 ms	3052 KB	Output is correct
93	Correct	4 ms	3052 KB	Output is correct
94	Correct	2 ms	2668 KB	Output is correct
95	Correct	2 ms	2668 KB	Output is correct
96	Correct	2 ms	2668 KB	Output is correct
97	Correct	2 ms	2668 KB	Output is correct
98	Correct	2 ms	2668 KB	Output is correct
99	Correct	2 ms	2668 KB	Output is correct
100	Correct	2 ms	2668 KB	Output is correct
101	Correct	2 ms	2668 KB	Output is correct
102	Correct	2 ms	2668 KB	Output is correct
103	Correct	2 ms	2668 KB	Output is correct
104	Correct	9 ms	4460 KB	Output is correct
105	Correct	17 ms	6892 KB	Output is correct
106	Correct	2 ms	2796 KB	Output is correct
107	Correct	36 ms	9708 KB	Output is correct
108	Correct	50 ms	12652 KB	Output is correct
109	Correct	2 ms	2796 KB	Output is correct
110	Correct	74 ms	15468 KB	Output is correct
111	Correct	93 ms	18156 KB	Output is correct
112	Correct	3 ms	2924 KB	Output is correct
113	Correct	132 ms	24812 KB	Output is correct
114	Correct	30 ms	10988 KB	Output is correct
115	Incorrect	30 ms	11116 KB	Output isn't correct
116	Halted	0 ms	0 KB	-

답안 #337323

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