Submission #37940

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
37940	2017-12-29T11:57:20 Z	14kg	Dreaming (IOI13_dreaming)	C++11	47 / 100	102 ms	13664 KB

dreaming

#include "dreaming.h"
#include <vector>
#include <algorithm>
#define N 100001
#define INF 2000000000

using namespace std;
int n, L, out, max_len, MAX[4], gd[N];
bool check[N], gd_check[N];
vector<pair<int,int> > r[N];

int max_f(int x, int y) { return x>y?x:y; }
int min_f(int x, int y) { return x<y?x:y; }

int g(int lev, int up_node){
    if(!gd_check[lev]){
        gd_check[lev]=true;
        for(vector<pair<int,int> >::iterator it=r[lev].begin(); it!=r[lev].end(); it++)
            if(it->first!=up_node) gd[lev]=max_f(gd[lev],it->second+g(it->first,lev));
    }
    return gd[lev];
}
void f(int lev, int up_len){
    int max1=0, max2=0, path, temp;

    check[lev]=true;
    for(vector<pair<int,int> >::iterator it=r[lev].begin(); it!=r[lev].end(); it++) {
        if(!check[it->first]) temp=g(it->first,lev)+it->second;
        else temp=up_len;

        if(max1<temp){
            max2=max1, max1=temp;
            path=it->first;
        }
        else if(max2<temp) max2=temp;
    }
    out=max_f(out,max1+max2);
    max_len=min_f(max_len,max1);

    for(vector<pair<int,int> >::iterator it=r[lev].begin(); it!=r[lev].end(); it++)
        if(!check[it->first]) f(it->first,(path==it->first?max2:max1)+it->second);
}

int travelTime(int _n, int m, int _L, int _a[], int _b[], int _t[]) {
    int x, y;

    n=_n, L=_L;
    for(int i=0; i<m; i++){
        x=_a[i]+1, y=_b[i]+1;
        r[x].push_back({y,_t[i]}), r[y].push_back({x,_t[i]});
    }

    for(int i=1; i<=n; i++)
        if(!check[i]){
            max_len=INF, f(i,0);

            MAX[0]=max_len, sort(MAX+0,MAX+4);
        }
    return max_f(out,max_f(MAX[3]+MAX[2]+L,MAX[1]?MAX[2]+MAX[1]+L+L:0));
}

Compilation message

dreaming.cpp: In function 'void f(int, int)':
dreaming.cpp:41:59: warning: 'path' may be used uninitialized in this function [-Wmaybe-uninitialized]
         if(!check[it->first]) f(it->first,(path==it->first?max2:max1)+it->second);
                                           ~~~~~~~~~~~~~~~~^~~~~~~~~~~

Subtask #1
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	59 ms	10360 KB	Output is correct
2	Correct	51 ms	9976 KB	Output is correct
3	Correct	39 ms	8824 KB	Output is correct
4	Correct	11 ms	3840 KB	Output is correct
5	Correct	16 ms	3328 KB	Output is correct
6	Correct	16 ms	4352 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	31 ms	5932 KB	Output is correct
9	Correct	37 ms	7552 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	51 ms	8184 KB	Output is correct
12	Correct	102 ms	9208 KB	Output is correct
13	Correct	5 ms	2816 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	59 ms	10360 KB	Output is correct
2	Correct	51 ms	9976 KB	Output is correct
3	Correct	39 ms	8824 KB	Output is correct
4	Correct	11 ms	3840 KB	Output is correct
5	Correct	16 ms	3328 KB	Output is correct
6	Correct	16 ms	4352 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	31 ms	5932 KB	Output is correct
9	Correct	37 ms	7552 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	51 ms	8184 KB	Output is correct
12	Correct	102 ms	9208 KB	Output is correct
13	Correct	5 ms	2816 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	4 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	3 ms	2688 KB	Output is correct
22	Correct	4 ms	2816 KB	Output is correct
23	Correct	4 ms	2688 KB	Output is correct
24	Correct	3 ms	2688 KB	Output is correct
25	Correct	4 ms	2688 KB	Output is correct
26	Correct	4 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	3 ms	2688 KB	Output is correct
29	Correct	4 ms	2688 KB	Output is correct
30	Correct	3 ms	2688 KB	Output is correct
31	Correct	4 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	3 ms	2688 KB	Output is correct
36	Correct	3 ms	2688 KB	Output is correct
37	Correct	4 ms	2688 KB	Output is correct
38	Correct	4 ms	2688 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	59 ms	10360 KB	Output is correct
2	Correct	51 ms	9976 KB	Output is correct
3	Correct	39 ms	8824 KB	Output is correct
4	Correct	11 ms	3840 KB	Output is correct
5	Correct	16 ms	3328 KB	Output is correct
6	Correct	16 ms	4352 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	31 ms	5932 KB	Output is correct
9	Correct	37 ms	7552 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	51 ms	8184 KB	Output is correct
12	Correct	102 ms	9208 KB	Output is correct
13	Correct	5 ms	2816 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	4 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	3 ms	2688 KB	Output is correct
22	Correct	4 ms	2816 KB	Output is correct
23	Correct	4 ms	2688 KB	Output is correct
24	Correct	3 ms	2688 KB	Output is correct
25	Correct	4 ms	2688 KB	Output is correct
26	Correct	4 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	3 ms	2688 KB	Output is correct
29	Correct	4 ms	2688 KB	Output is correct
30	Correct	3 ms	2688 KB	Output is correct
31	Correct	4 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	3 ms	2688 KB	Output is correct
36	Correct	3 ms	2688 KB	Output is correct
37	Correct	4 ms	2688 KB	Output is correct
38	Correct	4 ms	2688 KB	Output is correct
39	Correct	71 ms	10360 KB	Output is correct
40	Correct	61 ms	9976 KB	Output is correct
41	Correct	36 ms	8832 KB	Output is correct
42	Correct	11 ms	3712 KB	Output is correct
43	Correct	4 ms	2688 KB	Output is correct
44	Correct	4 ms	2688 KB	Output is correct
45	Correct	4 ms	2688 KB	Output is correct
46	Correct	4 ms	2688 KB	Output is correct
47	Correct	4 ms	2688 KB	Output is correct
48	Correct	3 ms	2688 KB	Output is correct
49	Correct	4 ms	2688 KB	Output is correct
50	Correct	4 ms	2688 KB	Output is correct
51	Correct	5 ms	2688 KB	Output is correct
52	Correct	4 ms	2688 KB	Output is correct
53	Correct	4 ms	2816 KB	Output is correct
54	Correct	4 ms	2688 KB	Output is correct
55	Correct	4 ms	2688 KB	Output is correct
56	Correct	4 ms	2688 KB	Output is correct
57	Correct	81 ms	8440 KB	Output is correct
58	Correct	83 ms	8440 KB	Output is correct
59	Correct	86 ms	8312 KB	Output is correct
60	Correct	84 ms	8312 KB	Output is correct
61	Correct	74 ms	8440 KB	Output is correct
62	Correct	69 ms	8312 KB	Output is correct
63	Correct	80 ms	8028 KB	Output is correct
64	Correct	63 ms	8056 KB	Output is correct
65	Correct	76 ms	8184 KB	Output is correct
66	Correct	67 ms	8056 KB	Output is correct
67	Correct	72 ms	8312 KB	Output is correct
68	Correct	74 ms	8440 KB	Output is correct
69	Correct	68 ms	8312 KB	Output is correct
70	Correct	78 ms	8312 KB	Output is correct
71	Correct	4 ms	2688 KB	Output is correct
72	Correct	5 ms	2860 KB	Output is correct
73	Correct	5 ms	2816 KB	Output is correct
74	Correct	5 ms	2816 KB	Output is correct
75	Correct	5 ms	2816 KB	Output is correct
76	Correct	5 ms	2816 KB	Output is correct
77	Correct	5 ms	2816 KB	Output is correct
78	Correct	5 ms	2816 KB	Output is correct
79	Correct	6 ms	2816 KB	Output is correct
80	Correct	75 ms	8312 KB	Output is correct
81	Correct	87 ms	8312 KB	Output is correct
82	Correct	75 ms	8188 KB	Output is correct
83	Correct	68 ms	8256 KB	Output is correct
84	Correct	4 ms	2816 KB	Output is correct
85	Correct	5 ms	2816 KB	Output is correct
86	Correct	5 ms	2816 KB	Output is correct
87	Correct	5 ms	2816 KB	Output is correct
88	Correct	5 ms	2816 KB	Output is correct
89	Correct	5 ms	2816 KB	Output is correct
90	Correct	5 ms	2816 KB	Output is correct
91	Correct	5 ms	2816 KB	Output is correct
92	Correct	6 ms	2816 KB	Output is correct
93	Correct	5 ms	2816 KB	Output is correct
94	Correct	4 ms	2660 KB	Output is correct
95	Correct	4 ms	2688 KB	Output is correct
96	Correct	4 ms	2688 KB	Output is correct
97	Correct	4 ms	2688 KB	Output is correct
98	Correct	4 ms	2688 KB	Output is correct
99	Correct	4 ms	2688 KB	Output is correct
100	Correct	4 ms	2688 KB	Output is correct
101	Correct	4 ms	2688 KB	Output is correct
102	Correct	4 ms	2688 KB	Output is correct
103	Correct	4 ms	2688 KB	Output is correct
104	Correct	9 ms	3328 KB	Output is correct
105	Correct	17 ms	4352 KB	Output is correct
106	Correct	3 ms	2688 KB	Output is correct
107	Correct	30 ms	5852 KB	Output is correct
108	Correct	37 ms	7544 KB	Output is correct
109	Correct	4 ms	2688 KB	Output is correct
110	Correct	55 ms	8184 KB	Output is correct
111	Correct	56 ms	9184 KB	Output is correct
112	Correct	4 ms	2688 KB	Output is correct
113	Correct	96 ms	13664 KB	Output is correct

Subtask #4
0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	5240 KB	Output is correct
2	Correct	25 ms	5248 KB	Output is correct
3	Correct	30 ms	5204 KB	Output is correct
4	Correct	23 ms	5120 KB	Output is correct
5	Correct	30 ms	5248 KB	Output is correct
6	Correct	30 ms	5376 KB	Output is correct
7	Correct	27 ms	5240 KB	Output is correct
8	Correct	38 ms	5112 KB	Output is correct
9	Correct	26 ms	5240 KB	Output is correct
10	Correct	28 ms	5376 KB	Output is correct
11	Correct	4 ms	2688 KB	Output is correct
12	Correct	7 ms	2816 KB	Output is correct
13	Correct	5 ms	2944 KB	Output is correct
14	Correct	6 ms	2944 KB	Output is correct
15	Correct	6 ms	2944 KB	Output is correct
16	Correct	5 ms	2816 KB	Output is correct
17	Correct	5 ms	2816 KB	Output is correct
18	Correct	6 ms	2944 KB	Output is correct
19	Correct	6 ms	2944 KB	Output is correct
20	Incorrect	4 ms	2688 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	59 ms	10360 KB	Output is correct
2	Correct	51 ms	9976 KB	Output is correct
3	Correct	39 ms	8824 KB	Output is correct
4	Correct	11 ms	3840 KB	Output is correct
5	Correct	16 ms	3328 KB	Output is correct
6	Correct	16 ms	4352 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	31 ms	5932 KB	Output is correct
9	Correct	37 ms	7552 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	51 ms	8184 KB	Output is correct
12	Correct	102 ms	9208 KB	Output is correct
13	Correct	5 ms	2816 KB	Output is correct
14	Correct	4 ms	2688 KB	Output is correct
15	Correct	4 ms	2816 KB	Output is correct
16	Correct	5 ms	2816 KB	Output is correct
17	Correct	4 ms	2660 KB	Output is correct
18	Correct	5 ms	2816 KB	Output is correct
19	Correct	5 ms	2816 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	4 ms	2816 KB	Output is correct
22	Correct	5 ms	2816 KB	Output is correct
23	Correct	3 ms	2688 KB	Output is correct
24	Correct	3 ms	2688 KB	Output is correct
25	Correct	4 ms	2688 KB	Output is correct
26	Correct	4 ms	2688 KB	Output is correct
27	Correct	3 ms	2688 KB	Output is correct
28	Correct	4 ms	2688 KB	Output is correct
29	Correct	4 ms	2688 KB	Output is correct
30	Correct	4 ms	2688 KB	Output is correct
31	Correct	3 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	3 ms	2688 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	4 ms	2688 KB	Output is correct
36	Correct	3 ms	2688 KB	Output is correct
37	Correct	4 ms	2688 KB	Output is correct
38	Correct	3 ms	2688 KB	Output is correct
39	Correct	3 ms	2688 KB	Output is correct
40	Incorrect	3 ms	2688 KB	Output isn't correct
41	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	59 ms	10360 KB	Output is correct
2	Correct	51 ms	9976 KB	Output is correct
3	Correct	39 ms	8824 KB	Output is correct
4	Correct	11 ms	3840 KB	Output is correct
5	Correct	16 ms	3328 KB	Output is correct
6	Correct	16 ms	4352 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	31 ms	5932 KB	Output is correct
9	Correct	37 ms	7552 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	51 ms	8184 KB	Output is correct
12	Correct	102 ms	9208 KB	Output is correct
13	Correct	5 ms	2816 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	4 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	3 ms	2688 KB	Output is correct
22	Correct	4 ms	2816 KB	Output is correct
23	Correct	4 ms	2688 KB	Output is correct
24	Correct	3 ms	2688 KB	Output is correct
25	Correct	4 ms	2688 KB	Output is correct
26	Correct	4 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	3 ms	2688 KB	Output is correct
29	Correct	4 ms	2688 KB	Output is correct
30	Correct	3 ms	2688 KB	Output is correct
31	Correct	4 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	3 ms	2688 KB	Output is correct
36	Correct	3 ms	2688 KB	Output is correct
37	Correct	4 ms	2688 KB	Output is correct
38	Correct	4 ms	2688 KB	Output is correct
39	Correct	71 ms	10360 KB	Output is correct
40	Correct	61 ms	9976 KB	Output is correct
41	Correct	36 ms	8832 KB	Output is correct
42	Correct	11 ms	3712 KB	Output is correct
43	Correct	4 ms	2688 KB	Output is correct
44	Correct	4 ms	2688 KB	Output is correct
45	Correct	4 ms	2688 KB	Output is correct
46	Correct	4 ms	2688 KB	Output is correct
47	Correct	4 ms	2688 KB	Output is correct
48	Correct	3 ms	2688 KB	Output is correct
49	Correct	4 ms	2688 KB	Output is correct
50	Correct	4 ms	2688 KB	Output is correct
51	Correct	5 ms	2688 KB	Output is correct
52	Correct	4 ms	2688 KB	Output is correct
53	Correct	4 ms	2816 KB	Output is correct
54	Correct	4 ms	2688 KB	Output is correct
55	Correct	4 ms	2688 KB	Output is correct
56	Correct	4 ms	2688 KB	Output is correct
57	Correct	81 ms	8440 KB	Output is correct
58	Correct	83 ms	8440 KB	Output is correct
59	Correct	86 ms	8312 KB	Output is correct
60	Correct	84 ms	8312 KB	Output is correct
61	Correct	74 ms	8440 KB	Output is correct
62	Correct	69 ms	8312 KB	Output is correct
63	Correct	80 ms	8028 KB	Output is correct
64	Correct	63 ms	8056 KB	Output is correct
65	Correct	76 ms	8184 KB	Output is correct
66	Correct	67 ms	8056 KB	Output is correct
67	Correct	72 ms	8312 KB	Output is correct
68	Correct	74 ms	8440 KB	Output is correct
69	Correct	68 ms	8312 KB	Output is correct
70	Correct	78 ms	8312 KB	Output is correct
71	Correct	4 ms	2688 KB	Output is correct
72	Correct	5 ms	2860 KB	Output is correct
73	Correct	5 ms	2816 KB	Output is correct
74	Correct	5 ms	2816 KB	Output is correct
75	Correct	5 ms	2816 KB	Output is correct
76	Correct	5 ms	2816 KB	Output is correct
77	Correct	5 ms	2816 KB	Output is correct
78	Correct	5 ms	2816 KB	Output is correct
79	Correct	6 ms	2816 KB	Output is correct
80	Correct	75 ms	8312 KB	Output is correct
81	Correct	87 ms	8312 KB	Output is correct
82	Correct	75 ms	8188 KB	Output is correct
83	Correct	68 ms	8256 KB	Output is correct
84	Correct	4 ms	2816 KB	Output is correct
85	Correct	5 ms	2816 KB	Output is correct
86	Correct	5 ms	2816 KB	Output is correct
87	Correct	5 ms	2816 KB	Output is correct
88	Correct	5 ms	2816 KB	Output is correct
89	Correct	5 ms	2816 KB	Output is correct
90	Correct	5 ms	2816 KB	Output is correct
91	Correct	5 ms	2816 KB	Output is correct
92	Correct	6 ms	2816 KB	Output is correct
93	Correct	5 ms	2816 KB	Output is correct
94	Correct	4 ms	2660 KB	Output is correct
95	Correct	4 ms	2688 KB	Output is correct
96	Correct	4 ms	2688 KB	Output is correct
97	Correct	4 ms	2688 KB	Output is correct
98	Correct	4 ms	2688 KB	Output is correct
99	Correct	4 ms	2688 KB	Output is correct
100	Correct	4 ms	2688 KB	Output is correct
101	Correct	4 ms	2688 KB	Output is correct
102	Correct	4 ms	2688 KB	Output is correct
103	Correct	4 ms	2688 KB	Output is correct
104	Correct	9 ms	3328 KB	Output is correct
105	Correct	17 ms	4352 KB	Output is correct
106	Correct	3 ms	2688 KB	Output is correct
107	Correct	30 ms	5852 KB	Output is correct
108	Correct	37 ms	7544 KB	Output is correct
109	Correct	4 ms	2688 KB	Output is correct
110	Correct	55 ms	8184 KB	Output is correct
111	Correct	56 ms	9184 KB	Output is correct
112	Correct	4 ms	2688 KB	Output is correct
113	Correct	96 ms	13664 KB	Output is correct
114	Correct	22 ms	5240 KB	Output is correct
115	Correct	25 ms	5248 KB	Output is correct
116	Correct	30 ms	5204 KB	Output is correct
117	Correct	23 ms	5120 KB	Output is correct
118	Correct	30 ms	5248 KB	Output is correct
119	Correct	30 ms	5376 KB	Output is correct
120	Correct	27 ms	5240 KB	Output is correct
121	Correct	38 ms	5112 KB	Output is correct
122	Correct	26 ms	5240 KB	Output is correct
123	Correct	28 ms	5376 KB	Output is correct
124	Correct	4 ms	2688 KB	Output is correct
125	Correct	7 ms	2816 KB	Output is correct
126	Correct	5 ms	2944 KB	Output is correct
127	Correct	6 ms	2944 KB	Output is correct
128	Correct	6 ms	2944 KB	Output is correct
129	Correct	5 ms	2816 KB	Output is correct
130	Correct	5 ms	2816 KB	Output is correct
131	Correct	6 ms	2944 KB	Output is correct
132	Correct	6 ms	2944 KB	Output is correct
133	Incorrect	4 ms	2688 KB	Output isn't correct
134	Halted	0 ms	0 KB	-

Submission #37940

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