답안 #38333 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
38333	2018-01-04T02:06:34 Z	funcsr	꿈 (IOI13_dreaming)	C++14	47 / 100	100 ms	15992 KB

dreaming

#include "dreaming.h"
#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
#include <queue>
#include <string>
#include <cassert>
using namespace std;
typedef pair<int, int> P;
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(x) x.begin(), x.end()
#define pb push_back
#define INF 1005141919
#define _1 first
#define _2 second

int N, L;
vector<P> G[100000];
bool used[100000];
int dp1[100000], dp2[100000], src[100000];
inline void update(int x, int v, int s) {
  if (v > dp1[x]) dp2[x] = dp1[x], dp1[x] = v, src[x] = s;
  else if (v > dp2[x]) dp2[x] = v;
}
void dfs(int x, int p) {
  used[x] = true;
  dp1[x] = dp2[x] = 0;
  src[x] = -1;
  for (P pp : G[x]) if (pp._1 != p) {
    int t = pp._1, len = pp._2;
    dfs(t, x);
    update(x, dp1[t]+len, t);
  }
}

int diameter = 0;
int dfs2(int x, int p, int plen) {
  if (p != -1) {
    int v = dp1[p];
    if (src[p] == x) v = dp2[p];
    update(x, v+plen, p);
  }
  diameter = max(diameter, dp1[x]+dp2[x]);
  int m = dp1[x];
  for (P pp : G[x]) if (pp._1 != p) {
    int t = pp._1, len = pp._2;
    m = min(m, dfs2(t, x, len));
  }
  return m;
}

bool f(int X, vector<int> &R) {
  int cur_r = R[0];
  for (int i=1; i<R.size(); i++) {
    int r = R[i];
    if (cur_r+r+L > X) return false;
    cur_r = min(max(cur_r, r+L), max(cur_r+L, r));
  }
  return true;
}

int travelTime(int N_, int M, int L_, int A[], int B[], int T[]) {
  N = N_, L = L_;
  rep(i, M) {
    G[A[i]].pb(P(B[i], T[i]));
    G[B[i]].pb(P(A[i], T[i]));
  }
  vector<int> X;
  rep(i, N) if (!used[i]) {
    dfs(i, -1);
    X.pb(dfs2(i, -1, -1));
  }
  //cout<<"{";for(int x:X)cout<<x<<",";cout<<"}\n";
  int lo = diameter-1, hi = INF;
  while (hi-lo > 1) {
    int mid = (lo+hi)/2;
    if (f(mid, X)) hi = mid;
    else lo = mid;
  }
  return hi;
}

Compilation message

dreaming.cpp: In function 'bool f(int, std::vector<int>&)':
dreaming.cpp:55:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=1; i<R.size(); i++) {
                 ~^~~~~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	11880 KB	Output is correct
2	Correct	67 ms	11384 KB	Output is correct
3	Correct	46 ms	9976 KB	Output is correct
4	Correct	11 ms	3968 KB	Output is correct
5	Correct	10 ms	3456 KB	Output is correct
6	Correct	16 ms	4736 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	29 ms	6520 KB	Output is correct
9	Correct	36 ms	8568 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	54 ms	9208 KB	Output is correct
12	Correct	70 ms	10488 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	11880 KB	Output is correct
2	Correct	67 ms	11384 KB	Output is correct
3	Correct	46 ms	9976 KB	Output is correct
4	Correct	11 ms	3968 KB	Output is correct
5	Correct	10 ms	3456 KB	Output is correct
6	Correct	16 ms	4736 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	29 ms	6520 KB	Output is correct
9	Correct	36 ms	8568 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	54 ms	9208 KB	Output is correct
12	Correct	70 ms	10488 KB	Output is correct
13	Correct	4 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	5 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	4 ms	2688 KB	Output is correct
22	Correct	4 ms	2688 KB	Output is correct
23	Correct	4 ms	2688 KB	Output is correct
24	Correct	5 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	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	4 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2736 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	4 ms	2688 KB	Output is correct
36	Correct	4 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

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	11880 KB	Output is correct
2	Correct	67 ms	11384 KB	Output is correct
3	Correct	46 ms	9976 KB	Output is correct
4	Correct	11 ms	3968 KB	Output is correct
5	Correct	10 ms	3456 KB	Output is correct
6	Correct	16 ms	4736 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	29 ms	6520 KB	Output is correct
9	Correct	36 ms	8568 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	54 ms	9208 KB	Output is correct
12	Correct	70 ms	10488 KB	Output is correct
13	Correct	4 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	5 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	4 ms	2688 KB	Output is correct
22	Correct	4 ms	2688 KB	Output is correct
23	Correct	4 ms	2688 KB	Output is correct
24	Correct	5 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	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	4 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2736 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	4 ms	2688 KB	Output is correct
36	Correct	4 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	58 ms	11768 KB	Output is correct
40	Correct	77 ms	11456 KB	Output is correct
41	Correct	39 ms	10112 KB	Output is correct
42	Correct	10 ms	3968 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	4 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	4 ms	2688 KB	Output is correct
52	Correct	3 ms	2688 KB	Output is correct
53	Correct	4 ms	2688 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	79 ms	9136 KB	Output is correct
58	Correct	76 ms	9080 KB	Output is correct
59	Correct	89 ms	9080 KB	Output is correct
60	Correct	89 ms	8952 KB	Output is correct
61	Correct	71 ms	8948 KB	Output is correct
62	Correct	71 ms	8952 KB	Output is correct
63	Correct	68 ms	8824 KB	Output is correct
64	Correct	68 ms	8796 KB	Output is correct
65	Correct	83 ms	8952 KB	Output is correct
66	Correct	81 ms	8840 KB	Output is correct
67	Correct	74 ms	9080 KB	Output is correct
68	Correct	75 ms	9080 KB	Output is correct
69	Correct	100 ms	9080 KB	Output is correct
70	Correct	92 ms	8952 KB	Output is correct
71	Correct	4 ms	2688 KB	Output is correct
72	Correct	5 ms	2944 KB	Output is correct
73	Correct	5 ms	2944 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	2944 KB	Output is correct
77	Correct	5 ms	2944 KB	Output is correct
78	Correct	5 ms	2944 KB	Output is correct
79	Correct	5 ms	2944 KB	Output is correct
80	Correct	70 ms	8956 KB	Output is correct
81	Correct	83 ms	9080 KB	Output is correct
82	Correct	70 ms	8900 KB	Output is correct
83	Correct	67 ms	8952 KB	Output is correct
84	Correct	5 ms	2816 KB	Output is correct
85	Correct	4 ms	2816 KB	Output is correct
86	Correct	7 ms	2816 KB	Output is correct
87	Correct	5 ms	2944 KB	Output is correct
88	Correct	5 ms	2944 KB	Output is correct
89	Correct	6 ms	2944 KB	Output is correct
90	Correct	6 ms	2944 KB	Output is correct
91	Correct	5 ms	2816 KB	Output is correct
92	Correct	5 ms	2944 KB	Output is correct
93	Correct	5 ms	2816 KB	Output is correct
94	Correct	3 ms	2688 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	3456 KB	Output is correct
105	Correct	16 ms	4736 KB	Output is correct
106	Correct	4 ms	2688 KB	Output is correct
107	Correct	32 ms	6400 KB	Output is correct
108	Correct	37 ms	8440 KB	Output is correct
109	Correct	4 ms	2816 KB	Output is correct
110	Correct	51 ms	9208 KB	Output is correct
111	Correct	60 ms	10492 KB	Output is correct
112	Correct	4 ms	2816 KB	Output is correct
113	Correct	92 ms	15992 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	28 ms	6528 KB	Output is correct
2	Incorrect	34 ms	6648 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	11880 KB	Output is correct
2	Correct	67 ms	11384 KB	Output is correct
3	Correct	46 ms	9976 KB	Output is correct
4	Correct	11 ms	3968 KB	Output is correct
5	Correct	10 ms	3456 KB	Output is correct
6	Correct	16 ms	4736 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	29 ms	6520 KB	Output is correct
9	Correct	36 ms	8568 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	54 ms	9208 KB	Output is correct
12	Correct	70 ms	10488 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct
14	Correct	4 ms	2816 KB	Output is correct
15	Correct	7 ms	2816 KB	Output is correct
16	Correct	4 ms	2944 KB	Output is correct
17	Correct	4 ms	2788 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	Incorrect	5 ms	2860 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	11880 KB	Output is correct
2	Correct	67 ms	11384 KB	Output is correct
3	Correct	46 ms	9976 KB	Output is correct
4	Correct	11 ms	3968 KB	Output is correct
5	Correct	10 ms	3456 KB	Output is correct
6	Correct	16 ms	4736 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	29 ms	6520 KB	Output is correct
9	Correct	36 ms	8568 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	54 ms	9208 KB	Output is correct
12	Correct	70 ms	10488 KB	Output is correct
13	Correct	4 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	5 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	4 ms	2688 KB	Output is correct
22	Correct	4 ms	2688 KB	Output is correct
23	Correct	4 ms	2688 KB	Output is correct
24	Correct	5 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	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	4 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2736 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	4 ms	2688 KB	Output is correct
36	Correct	4 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	58 ms	11768 KB	Output is correct
40	Correct	77 ms	11456 KB	Output is correct
41	Correct	39 ms	10112 KB	Output is correct
42	Correct	10 ms	3968 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	4 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	4 ms	2688 KB	Output is correct
52	Correct	3 ms	2688 KB	Output is correct
53	Correct	4 ms	2688 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	79 ms	9136 KB	Output is correct
58	Correct	76 ms	9080 KB	Output is correct
59	Correct	89 ms	9080 KB	Output is correct
60	Correct	89 ms	8952 KB	Output is correct
61	Correct	71 ms	8948 KB	Output is correct
62	Correct	71 ms	8952 KB	Output is correct
63	Correct	68 ms	8824 KB	Output is correct
64	Correct	68 ms	8796 KB	Output is correct
65	Correct	83 ms	8952 KB	Output is correct
66	Correct	81 ms	8840 KB	Output is correct
67	Correct	74 ms	9080 KB	Output is correct
68	Correct	75 ms	9080 KB	Output is correct
69	Correct	100 ms	9080 KB	Output is correct
70	Correct	92 ms	8952 KB	Output is correct
71	Correct	4 ms	2688 KB	Output is correct
72	Correct	5 ms	2944 KB	Output is correct
73	Correct	5 ms	2944 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	2944 KB	Output is correct
77	Correct	5 ms	2944 KB	Output is correct
78	Correct	5 ms	2944 KB	Output is correct
79	Correct	5 ms	2944 KB	Output is correct
80	Correct	70 ms	8956 KB	Output is correct
81	Correct	83 ms	9080 KB	Output is correct
82	Correct	70 ms	8900 KB	Output is correct
83	Correct	67 ms	8952 KB	Output is correct
84	Correct	5 ms	2816 KB	Output is correct
85	Correct	4 ms	2816 KB	Output is correct
86	Correct	7 ms	2816 KB	Output is correct
87	Correct	5 ms	2944 KB	Output is correct
88	Correct	5 ms	2944 KB	Output is correct
89	Correct	6 ms	2944 KB	Output is correct
90	Correct	6 ms	2944 KB	Output is correct
91	Correct	5 ms	2816 KB	Output is correct
92	Correct	5 ms	2944 KB	Output is correct
93	Correct	5 ms	2816 KB	Output is correct
94	Correct	3 ms	2688 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	3456 KB	Output is correct
105	Correct	16 ms	4736 KB	Output is correct
106	Correct	4 ms	2688 KB	Output is correct
107	Correct	32 ms	6400 KB	Output is correct
108	Correct	37 ms	8440 KB	Output is correct
109	Correct	4 ms	2816 KB	Output is correct
110	Correct	51 ms	9208 KB	Output is correct
111	Correct	60 ms	10492 KB	Output is correct
112	Correct	4 ms	2816 KB	Output is correct
113	Correct	92 ms	15992 KB	Output is correct
114	Correct	28 ms	6528 KB	Output is correct
115	Incorrect	34 ms	6648 KB	Output isn't correct
116	Halted	0 ms	0 KB	-

답안 #38333

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