답안 #447471

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
447471	2021-07-26T13:12:20 Z	prvocislo	A Difficult(y) Choice (BOI21_books)	C++17	100 / 100	2 ms	1032 KB

books

#include <bits/stdc++.h>
#include "books.h"
typedef long long ll;
using namespace std;

vector<ll> b;
ll query(int i)
{
  if (b[i] == -1) b[i] = skim(i+1);
  return b[i];
}
void solve(int n, int k, ll a, int s)
{
  b.assign(n, -1);
  int lo = 0, hi = n;
  while (lo < hi)
  {
    int mid = (lo+hi)/2;
    if (query(mid) >= a) hi = mid;
    else lo = mid + 1;
  }
  int m = lo;
  if (lo != n)
  {
    ll sum = query(m);
    for (int i = 0; i < k-1; i++) sum += query(i);
    if (a <= sum && sum <= 2*a)
    {
      vector<int> v;
      for (int i = 0; i < k-1; i++) v.push_back(i+1);
      v.push_back(m+1);
      answer(v);
      return;
    }
  }
  vector<pair<ll, int> > v;
  for (int i = 0; i < min(k, m); i++) v.push_back({query(i), i});
  for (int i = max(0, m-k); i < m; i++) 
    v.push_back({query(i), i});
  sort(v.begin(), v.end());
  v.erase(unique(v.begin(), v.end()), v.end());
  for (int i = 0; i+k-1 < v.size(); i++)
  {
    ll sum = 0; vector<int> in;
    for (int j = i; j < i+k; j++)
    {
      sum += v[j].first;
      in.push_back(v[j].second+1);
    }
    if (a <= sum && sum <= 2*a) answer(in);
  }
  impossible();
}

Compilation message

books.cpp: In function 'void solve(int, int, ll, int)':
books.cpp:42:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |   for (int i = 0; i+k-1 < v.size(); i++)
      |                   ~~~~~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	200 KB	Output is correct
2	Correct	1 ms	200 KB	Output is correct
3	Correct	1 ms	200 KB	Output is correct
4	Correct	1 ms	200 KB	Output is correct
5	Correct	1 ms	200 KB	Output is correct
6	Correct	1 ms	200 KB	Output is correct
7	Correct	1 ms	200 KB	Output is correct
8	Correct	1 ms	200 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	200 KB	Output is correct
2	Correct	1 ms	200 KB	Output is correct
3	Correct	1 ms	200 KB	Output is correct
4	Correct	1 ms	200 KB	Output is correct
5	Correct	1 ms	200 KB	Output is correct
6	Correct	1 ms	200 KB	Output is correct
7	Correct	1 ms	200 KB	Output is correct
8	Correct	1 ms	200 KB	Output is correct
9	Correct	1 ms	456 KB	Output is correct
10	Correct	1 ms	456 KB	Output is correct
11	Correct	1 ms	456 KB	Output is correct
12	Correct	1 ms	456 KB	Output is correct
13	Correct	1 ms	456 KB	Output is correct
14	Correct	1 ms	456 KB	Output is correct
15	Correct	1 ms	456 KB	Output is correct
16	Correct	1 ms	456 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	968 KB	Output is correct
2	Correct	1 ms	968 KB	Output is correct
3	Correct	1 ms	968 KB	Output is correct
4	Correct	1 ms	968 KB	Output is correct
5	Correct	1 ms	968 KB	Output is correct
6	Correct	1 ms	968 KB	Output is correct
7	Correct	1 ms	968 KB	Output is correct
8	Correct	1 ms	968 KB	Output is correct
9	Correct	1 ms	1032 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	968 KB	Output is correct
2	Correct	1 ms	968 KB	Output is correct
3	Correct	1 ms	968 KB	Output is correct
4	Correct	1 ms	968 KB	Output is correct
5	Correct	1 ms	968 KB	Output is correct
6	Correct	1 ms	968 KB	Output is correct
7	Correct	1 ms	968 KB	Output is correct
8	Correct	1 ms	968 KB	Output is correct
9	Correct	1 ms	1032 KB	Output is correct
10	Correct	1 ms	968 KB	Output is correct
11	Correct	1 ms	968 KB	Output is correct
12	Correct	1 ms	968 KB	Output is correct
13	Correct	1 ms	968 KB	Output is correct
14	Correct	1 ms	968 KB	Output is correct
15	Correct	1 ms	968 KB	Output is correct
16	Correct	1 ms	968 KB	Output is correct
17	Correct	1 ms	968 KB	Output is correct
18	Correct	1 ms	968 KB	Output is correct
19	Correct	1 ms	968 KB	Output is correct
20	Correct	1 ms	968 KB	Output is correct
21	Correct	1 ms	968 KB	Output is correct
22	Correct	1 ms	968 KB	Output is correct
23	Correct	1 ms	968 KB	Output is correct
24	Correct	1 ms	968 KB	Output is correct
25	Correct	1 ms	968 KB	Output is correct

Subtask #5
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	968 KB	Output is correct
2	Correct	1 ms	968 KB	Output is correct
3	Correct	1 ms	968 KB	Output is correct
4	Correct	1 ms	968 KB	Output is correct
5	Correct	1 ms	968 KB	Output is correct
6	Correct	1 ms	968 KB	Output is correct
7	Correct	1 ms	968 KB	Output is correct
8	Correct	1 ms	968 KB	Output is correct
9	Correct	1 ms	1032 KB	Output is correct
10	Correct	1 ms	968 KB	Output is correct
11	Correct	1 ms	968 KB	Output is correct
12	Correct	1 ms	968 KB	Output is correct
13	Correct	1 ms	968 KB	Output is correct
14	Correct	1 ms	968 KB	Output is correct
15	Correct	1 ms	968 KB	Output is correct
16	Correct	1 ms	968 KB	Output is correct
17	Correct	1 ms	968 KB	Output is correct
18	Correct	1 ms	968 KB	Output is correct
19	Correct	1 ms	968 KB	Output is correct
20	Correct	1 ms	968 KB	Output is correct
21	Correct	1 ms	968 KB	Output is correct
22	Correct	1 ms	968 KB	Output is correct
23	Correct	1 ms	968 KB	Output is correct
24	Correct	1 ms	968 KB	Output is correct
25	Correct	1 ms	968 KB	Output is correct
26	Correct	1 ms	968 KB	Output is correct
27	Correct	1 ms	968 KB	Output is correct
28	Correct	1 ms	968 KB	Output is correct
29	Correct	1 ms	968 KB	Output is correct
30	Correct	1 ms	968 KB	Output is correct
31	Correct	1 ms	968 KB	Output is correct
32	Correct	1 ms	968 KB	Output is correct
33	Correct	1 ms	968 KB	Output is correct
34	Correct	1 ms	968 KB	Output is correct
35	Correct	1 ms	968 KB	Output is correct
36	Correct	1 ms	968 KB	Output is correct
37	Correct	1 ms	968 KB	Output is correct
38	Correct	1 ms	968 KB	Output is correct
39	Correct	1 ms	968 KB	Output is correct
40	Correct	1 ms	968 KB	Output is correct
41	Correct	1 ms	968 KB	Output is correct
42	Correct	2 ms	968 KB	Output is correct
43	Correct	1 ms	968 KB	Output is correct
44	Correct	1 ms	968 KB	Output is correct
45	Correct	1 ms	968 KB	Output is correct
46	Correct	1 ms	968 KB	Output is correct
47	Correct	2 ms	968 KB	Output is correct
48	Correct	1 ms	968 KB	Output is correct
49	Correct	1 ms	968 KB	Output is correct
50	Correct	1 ms	968 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	968 KB	Output is correct
2	Correct	1 ms	968 KB	Output is correct
3	Correct	1 ms	968 KB	Output is correct
4	Correct	1 ms	968 KB	Output is correct
5	Correct	1 ms	968 KB	Output is correct
6	Correct	1 ms	968 KB	Output is correct
7	Correct	1 ms	968 KB	Output is correct
8	Correct	1 ms	968 KB	Output is correct
9	Correct	1 ms	1032 KB	Output is correct
10	Correct	1 ms	968 KB	Output is correct
11	Correct	1 ms	968 KB	Output is correct
12	Correct	1 ms	968 KB	Output is correct
13	Correct	1 ms	968 KB	Output is correct
14	Correct	1 ms	968 KB	Output is correct
15	Correct	1 ms	968 KB	Output is correct
16	Correct	1 ms	968 KB	Output is correct
17	Correct	1 ms	968 KB	Output is correct
18	Correct	1 ms	968 KB	Output is correct
19	Correct	1 ms	968 KB	Output is correct
20	Correct	1 ms	968 KB	Output is correct
21	Correct	1 ms	968 KB	Output is correct
22	Correct	1 ms	968 KB	Output is correct
23	Correct	1 ms	968 KB	Output is correct
24	Correct	1 ms	968 KB	Output is correct
25	Correct	1 ms	968 KB	Output is correct
26	Correct	1 ms	968 KB	Output is correct
27	Correct	1 ms	968 KB	Output is correct
28	Correct	1 ms	968 KB	Output is correct
29	Correct	1 ms	968 KB	Output is correct
30	Correct	1 ms	968 KB	Output is correct
31	Correct	1 ms	968 KB	Output is correct
32	Correct	1 ms	968 KB	Output is correct
33	Correct	1 ms	968 KB	Output is correct
34	Correct	2 ms	968 KB	Output is correct
35	Correct	1 ms	968 KB	Output is correct
36	Correct	1 ms	968 KB	Output is correct
37	Correct	1 ms	968 KB	Output is correct
38	Correct	1 ms	968 KB	Output is correct
39	Correct	1 ms	968 KB	Output is correct
40	Correct	1 ms	968 KB	Output is correct
41	Correct	1 ms	968 KB	Output is correct
42	Correct	1 ms	968 KB	Output is correct
43	Correct	1 ms	968 KB	Output is correct
44	Correct	1 ms	968 KB	Output is correct
45	Correct	1 ms	968 KB	Output is correct
46	Correct	1 ms	968 KB	Output is correct
47	Correct	1 ms	968 KB	Output is correct
48	Correct	1 ms	968 KB	Output is correct
49	Correct	1 ms	968 KB	Output is correct
50	Correct	1 ms	968 KB	Output is correct

Subtask #7
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	968 KB	Output is correct
2	Correct	1 ms	968 KB	Output is correct
3	Correct	1 ms	968 KB	Output is correct
4	Correct	1 ms	968 KB	Output is correct
5	Correct	1 ms	968 KB	Output is correct
6	Correct	1 ms	968 KB	Output is correct
7	Correct	1 ms	968 KB	Output is correct
8	Correct	1 ms	968 KB	Output is correct
9	Correct	1 ms	1032 KB	Output is correct
10	Correct	1 ms	968 KB	Output is correct
11	Correct	1 ms	968 KB	Output is correct
12	Correct	1 ms	968 KB	Output is correct
13	Correct	1 ms	968 KB	Output is correct
14	Correct	1 ms	968 KB	Output is correct
15	Correct	1 ms	968 KB	Output is correct
16	Correct	1 ms	968 KB	Output is correct
17	Correct	1 ms	968 KB	Output is correct
18	Correct	1 ms	968 KB	Output is correct
19	Correct	1 ms	968 KB	Output is correct
20	Correct	1 ms	968 KB	Output is correct
21	Correct	1 ms	968 KB	Output is correct
22	Correct	1 ms	968 KB	Output is correct
23	Correct	1 ms	968 KB	Output is correct
24	Correct	1 ms	968 KB	Output is correct
25	Correct	1 ms	968 KB	Output is correct
26	Correct	1 ms	968 KB	Output is correct
27	Correct	1 ms	968 KB	Output is correct
28	Correct	1 ms	968 KB	Output is correct
29	Correct	1 ms	968 KB	Output is correct
30	Correct	1 ms	968 KB	Output is correct
31	Correct	1 ms	968 KB	Output is correct
32	Correct	1 ms	968 KB	Output is correct
33	Correct	1 ms	968 KB	Output is correct
34	Correct	1 ms	968 KB	Output is correct
35	Correct	1 ms	968 KB	Output is correct
36	Correct	1 ms	968 KB	Output is correct
37	Correct	1 ms	968 KB	Output is correct
38	Correct	1 ms	968 KB	Output is correct
39	Correct	1 ms	968 KB	Output is correct
40	Correct	1 ms	968 KB	Output is correct
41	Correct	1 ms	968 KB	Output is correct
42	Correct	2 ms	968 KB	Output is correct
43	Correct	1 ms	968 KB	Output is correct
44	Correct	1 ms	968 KB	Output is correct
45	Correct	1 ms	968 KB	Output is correct
46	Correct	1 ms	968 KB	Output is correct
47	Correct	2 ms	968 KB	Output is correct
48	Correct	1 ms	968 KB	Output is correct
49	Correct	1 ms	968 KB	Output is correct
50	Correct	1 ms	968 KB	Output is correct
51	Correct	1 ms	968 KB	Output is correct
52	Correct	1 ms	968 KB	Output is correct
53	Correct	1 ms	968 KB	Output is correct
54	Correct	1 ms	968 KB	Output is correct
55	Correct	1 ms	968 KB	Output is correct
56	Correct	1 ms	968 KB	Output is correct
57	Correct	1 ms	968 KB	Output is correct
58	Correct	1 ms	968 KB	Output is correct
59	Correct	2 ms	968 KB	Output is correct
60	Correct	1 ms	968 KB	Output is correct
61	Correct	1 ms	968 KB	Output is correct
62	Correct	1 ms	968 KB	Output is correct
63	Correct	1 ms	968 KB	Output is correct
64	Correct	1 ms	968 KB	Output is correct
65	Correct	1 ms	968 KB	Output is correct
66	Correct	1 ms	968 KB	Output is correct
67	Correct	1 ms	968 KB	Output is correct
68	Correct	1 ms	968 KB	Output is correct
69	Correct	1 ms	968 KB	Output is correct
70	Correct	1 ms	968 KB	Output is correct
71	Correct	1 ms	968 KB	Output is correct
72	Correct	1 ms	968 KB	Output is correct
73	Correct	1 ms	968 KB	Output is correct
74	Correct	1 ms	968 KB	Output is correct
75	Correct	1 ms	968 KB	Output is correct
76	Correct	1 ms	200 KB	Output is correct
77	Correct	1 ms	200 KB	Output is correct
78	Correct	1 ms	200 KB	Output is correct
79	Correct	1 ms	200 KB	Output is correct
80	Correct	1 ms	200 KB	Output is correct
81	Correct	0 ms	200 KB	Output is correct
82	Correct	1 ms	200 KB	Output is correct
83	Correct	1 ms	200 KB	Output is correct
84	Correct	1 ms	456 KB	Output is correct
85	Correct	1 ms	456 KB	Output is correct
86	Correct	1 ms	456 KB	Output is correct
87	Correct	1 ms	456 KB	Output is correct
88	Correct	1 ms	456 KB	Output is correct
89	Correct	1 ms	456 KB	Output is correct
90	Correct	1 ms	456 KB	Output is correct
91	Correct	1 ms	456 KB	Output is correct
92	Correct	1 ms	968 KB	Output is correct
93	Correct	1 ms	968 KB	Output is correct
94	Correct	1 ms	968 KB	Output is correct
95	Correct	1 ms	968 KB	Output is correct
96	Correct	1 ms	968 KB	Output is correct
97	Correct	1 ms	968 KB	Output is correct
98	Correct	1 ms	968 KB	Output is correct
99	Correct	1 ms	968 KB	Output is correct
100	Correct	1 ms	968 KB	Output is correct
101	Correct	1 ms	968 KB	Output is correct
102	Correct	1 ms	968 KB	Output is correct
103	Correct	1 ms	968 KB	Output is correct
104	Correct	1 ms	968 KB	Output is correct
105	Correct	1 ms	968 KB	Output is correct
106	Correct	1 ms	968 KB	Output is correct
107	Correct	1 ms	968 KB	Output is correct
108	Correct	1 ms	968 KB	Output is correct
109	Correct	1 ms	968 KB	Output is correct
110	Correct	1 ms	968 KB	Output is correct
111	Correct	1 ms	968 KB	Output is correct
112	Correct	1 ms	968 KB	Output is correct
113	Correct	1 ms	968 KB	Output is correct
114	Correct	1 ms	968 KB	Output is correct
115	Correct	1 ms	968 KB	Output is correct
116	Correct	1 ms	968 KB	Output is correct
117	Correct	2 ms	968 KB	Output is correct
118	Correct	1 ms	968 KB	Output is correct
119	Correct	1 ms	968 KB	Output is correct
120	Correct	1 ms	968 KB	Output is correct
121	Correct	2 ms	968 KB	Output is correct
122	Correct	1 ms	968 KB	Output is correct
123	Correct	1 ms	968 KB	Output is correct
124	Correct	1 ms	968 KB	Output is correct
125	Correct	1 ms	968 KB	Output is correct
126	Correct	1 ms	968 KB	Output is correct
127	Correct	1 ms	968 KB	Output is correct
128	Correct	1 ms	968 KB	Output is correct
129	Correct	1 ms	968 KB	Output is correct
130	Correct	1 ms	968 KB	Output is correct
131	Correct	1 ms	968 KB	Output is correct
132	Correct	1 ms	968 KB	Output is correct
133	Correct	1 ms	968 KB	Output is correct
134	Correct	1 ms	968 KB	Output is correct
135	Correct	1 ms	968 KB	Output is correct

답안 #447471

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 15.0 / 15.0

Subtask #3 10.0 / 10.0

Subtask #4 15.0 / 15.0

Subtask #5 15.0 / 15.0

Subtask #6 20.0 / 20.0

Subtask #7 20.0 / 20.0

Subtask #1
5.0 / 5.0

Subtask #2
15.0 / 15.0

Subtask #3
10.0 / 10.0

Subtask #4
15.0 / 15.0

Subtask #5
15.0 / 15.0

Subtask #6
20.0 / 20.0

Subtask #7
20.0 / 20.0