Submission #917009

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
917009	2024-01-27T00:44:58 Z	NK_	A Difficult(y) Choice (BOI21_books)	C++17	100 / 100	41 ms	852 KB

books

// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>
#include "books.h"

using namespace std;

#define nl '\n'
#define f first
#define s second
#define mp make_pair
#define pb push_back

using ll = long long;
template<class T> using V = vector<T>;
using vi = V<int>;
using pl = pair<ll, int>;
using vpl = V<pl>;


// g++-13 A.cpp grader.cpp

void solve(int N, int K, ll A, int S) {
	int Q = 0;
	auto ask = [&](int x) -> ll {
		++Q; if (Q > S) exit(0-0);
		return skim(x + 1);
	};

	int lo = 0, hi = N - 1;
	while(lo < hi) {
		int mid = (lo + hi) / 2;
		if (ask(mid) >= A) hi = mid;
		else lo = mid + 1;
	}

	lo = min(N - 1, lo);

	set<int> look;
	for(int i = 0; i < K; i++) { look.insert(i); look.insert(lo - i); }

	vpl X; for(auto& i : look) {
		if (i < 0 || i >= N) continue;
		X.pb(mp(ask(i), i));
	}

	int M = int(size(X)); 
	// cout << M << endl;
	assert(M <= 2 * K && Q < S);
	for(int msk = 0; msk < (1 << M); msk++) {
		if (__builtin_popcount(msk) != K) continue;

		ll sum = 0; vi res; for(int i = 0; i < M; i++) if ((msk >> i) & 1) {
			sum += X[i].f; res.pb(X[i].s + 1);
		}

		assert(int(size(res)) == K);

		if (1LL * A <= sum && sum <= 2LL * A) {
			answer(res);
		}
	}
	
	impossible();
}

Subtask #1
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	344 KB	Output is correct
2	Correct	344 KB	Output is correct
3	Correct	344 KB	Output is correct
4	Correct	344 KB	Output is correct
5	Correct	344 KB	Output is correct
6	Correct	344 KB	Output is correct
7	Correct	344 KB	Output is correct
8	Correct	344 KB	Output is correct

Subtask #2
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	600 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	33 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	17 ms	344 KB	Output is correct
15	Correct	17 ms	600 KB	Output is correct
16	Correct	33 ms	344 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	33 ms	600 KB	Output is correct
9	Correct	1 ms	600 KB	Output is correct

Subtask #4
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	33 ms	600 KB	Output is correct
9	Correct	1 ms	600 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	432 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	428 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	33 ms	432 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	600 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	17 ms	344 KB	Output is correct
24	Correct	17 ms	344 KB	Output is correct
25	Correct	17 ms	344 KB	Output is correct

Subtask #5
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	33 ms	600 KB	Output is correct
9	Correct	1 ms	600 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	432 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	428 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	33 ms	432 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	600 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	17 ms	344 KB	Output is correct
24	Correct	17 ms	344 KB	Output is correct
25	Correct	17 ms	344 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	600 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	33 ms	600 KB	Output is correct
34	Correct	1 ms	344 KB	Output is correct
35	Correct	0 ms	600 KB	Output is correct
36	Correct	1 ms	600 KB	Output is correct
37	Correct	0 ms	428 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	17 ms	344 KB	Output is correct
40	Correct	17 ms	344 KB	Output is correct
41	Correct	17 ms	600 KB	Output is correct
42	Correct	1 ms	344 KB	Output is correct
43	Correct	1 ms	344 KB	Output is correct
44	Correct	0 ms	608 KB	Output is correct
45	Correct	1 ms	344 KB	Output is correct
46	Correct	0 ms	416 KB	Output is correct
47	Correct	2 ms	344 KB	Output is correct
48	Correct	17 ms	608 KB	Output is correct
49	Correct	17 ms	344 KB	Output is correct
50	Correct	41 ms	344 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	33 ms	600 KB	Output is correct
9	Correct	1 ms	600 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	432 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	428 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	33 ms	432 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	600 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	17 ms	344 KB	Output is correct
24	Correct	17 ms	344 KB	Output is correct
25	Correct	17 ms	344 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	0 ms	600 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	0 ms	600 KB	Output is correct
33	Correct	37 ms	344 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	1 ms	852 KB	Output is correct
36	Correct	1 ms	344 KB	Output is correct
37	Correct	0 ms	600 KB	Output is correct
38	Correct	1 ms	344 KB	Output is correct
39	Correct	17 ms	600 KB	Output is correct
40	Correct	20 ms	600 KB	Output is correct
41	Correct	22 ms	344 KB	Output is correct
42	Correct	1 ms	344 KB	Output is correct
43	Correct	1 ms	344 KB	Output is correct
44	Correct	1 ms	344 KB	Output is correct
45	Correct	0 ms	600 KB	Output is correct
46	Correct	1 ms	344 KB	Output is correct
47	Correct	34 ms	600 KB	Output is correct
48	Correct	17 ms	344 KB	Output is correct
49	Correct	17 ms	344 KB	Output is correct
50	Correct	17 ms	344 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	33 ms	600 KB	Output is correct
9	Correct	1 ms	600 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	432 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	428 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	33 ms	432 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	600 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	17 ms	344 KB	Output is correct
24	Correct	17 ms	344 KB	Output is correct
25	Correct	17 ms	344 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	600 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	33 ms	600 KB	Output is correct
34	Correct	1 ms	344 KB	Output is correct
35	Correct	0 ms	600 KB	Output is correct
36	Correct	1 ms	600 KB	Output is correct
37	Correct	0 ms	428 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	17 ms	344 KB	Output is correct
40	Correct	17 ms	344 KB	Output is correct
41	Correct	17 ms	600 KB	Output is correct
42	Correct	1 ms	344 KB	Output is correct
43	Correct	1 ms	344 KB	Output is correct
44	Correct	0 ms	608 KB	Output is correct
45	Correct	1 ms	344 KB	Output is correct
46	Correct	0 ms	416 KB	Output is correct
47	Correct	2 ms	344 KB	Output is correct
48	Correct	17 ms	608 KB	Output is correct
49	Correct	17 ms	344 KB	Output is correct
50	Correct	41 ms	344 KB	Output is correct
51	Correct	0 ms	344 KB	Output is correct
52	Correct	1 ms	344 KB	Output is correct
53	Correct	0 ms	600 KB	Output is correct
54	Correct	1 ms	344 KB	Output is correct
55	Correct	1 ms	344 KB	Output is correct
56	Correct	1 ms	344 KB	Output is correct
57	Correct	0 ms	600 KB	Output is correct
58	Correct	37 ms	344 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	852 KB	Output is correct
61	Correct	1 ms	344 KB	Output is correct
62	Correct	0 ms	600 KB	Output is correct
63	Correct	1 ms	344 KB	Output is correct
64	Correct	17 ms	600 KB	Output is correct
65	Correct	20 ms	600 KB	Output is correct
66	Correct	22 ms	344 KB	Output is correct
67	Correct	1 ms	344 KB	Output is correct
68	Correct	1 ms	344 KB	Output is correct
69	Correct	1 ms	344 KB	Output is correct
70	Correct	0 ms	600 KB	Output is correct
71	Correct	1 ms	344 KB	Output is correct
72	Correct	34 ms	600 KB	Output is correct
73	Correct	17 ms	344 KB	Output is correct
74	Correct	17 ms	344 KB	Output is correct
75	Correct	17 ms	344 KB	Output is correct
76	Correct	0 ms	344 KB	Output is correct
77	Correct	0 ms	344 KB	Output is correct
78	Correct	0 ms	344 KB	Output is correct
79	Correct	0 ms	344 KB	Output is correct
80	Correct	0 ms	344 KB	Output is correct
81	Correct	1 ms	344 KB	Output is correct
82	Correct	1 ms	348 KB	Output is correct
83	Correct	0 ms	352 KB	Output is correct
84	Correct	1 ms	608 KB	Output is correct
85	Correct	1 ms	352 KB	Output is correct
86	Correct	1 ms	352 KB	Output is correct
87	Correct	33 ms	352 KB	Output is correct
88	Correct	0 ms	352 KB	Output is correct
89	Correct	17 ms	352 KB	Output is correct
90	Correct	17 ms	352 KB	Output is correct
91	Correct	33 ms	352 KB	Output is correct
92	Correct	1 ms	344 KB	Output is correct
93	Correct	0 ms	600 KB	Output is correct
94	Correct	1 ms	344 KB	Output is correct
95	Correct	0 ms	344 KB	Output is correct
96	Correct	1 ms	344 KB	Output is correct
97	Correct	1 ms	356 KB	Output is correct
98	Correct	0 ms	600 KB	Output is correct
99	Correct	33 ms	600 KB	Output is correct
100	Correct	0 ms	344 KB	Output is correct
101	Correct	0 ms	600 KB	Output is correct
102	Correct	1 ms	344 KB	Output is correct
103	Correct	0 ms	600 KB	Output is correct
104	Correct	1 ms	344 KB	Output is correct
105	Correct	18 ms	344 KB	Output is correct
106	Correct	17 ms	344 KB	Output is correct
107	Correct	18 ms	344 KB	Output is correct
108	Correct	0 ms	344 KB	Output is correct
109	Correct	0 ms	680 KB	Output is correct
110	Correct	1 ms	344 KB	Output is correct
111	Correct	1 ms	596 KB	Output is correct
112	Correct	0 ms	600 KB	Output is correct
113	Correct	2 ms	344 KB	Output is correct
114	Correct	17 ms	344 KB	Output is correct
115	Correct	17 ms	600 KB	Output is correct
116	Correct	33 ms	344 KB	Output is correct
117	Correct	1 ms	344 KB	Output is correct
118	Correct	0 ms	600 KB	Output is correct
119	Correct	1 ms	344 KB	Output is correct
120	Correct	1 ms	344 KB	Output is correct
121	Correct	0 ms	432 KB	Output is correct
122	Correct	33 ms	344 KB	Output is correct
123	Correct	17 ms	344 KB	Output is correct
124	Correct	17 ms	436 KB	Output is correct
125	Correct	17 ms	344 KB	Output is correct
126	Correct	1 ms	344 KB	Output is correct
127	Correct	1 ms	344 KB	Output is correct
128	Correct	1 ms	344 KB	Output is correct
129	Correct	1 ms	600 KB	Output is correct
130	Correct	2 ms	344 KB	Output is correct
131	Correct	33 ms	608 KB	Output is correct
132	Correct	1 ms	344 KB	Output is correct
133	Correct	16 ms	440 KB	Output is correct
134	Correct	17 ms	344 KB	Output is correct
135	Correct	34 ms	344 KB	Output is correct

Submission #917009

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