#include <bits/stdc++.h>
using namespace std;
#include "books.h"
#define all(x) (x).begin(), (x).end()
#define ll long long
#define s second
#define f first
#define pb push_back
#define FOR(i,s,e) for(ll i = s; i <= (ll)e; ++i)
typedef pair <long long ,int> pi;
#ifdef LOCAL
#define db(x) cerr << #x << "=" << x << "\n"
#define db2(x, y) cerr << #x << "=" << x << " , " << #y << "=" << y << "\n"
#define db3(a,b,c) cerr<<#a<<"="<<a<<","<<#b<<"="<<b<<","<<#c<<"="<<c<<"\n"
#define dbv(v) cerr << #v << ":"; for (auto ite : v) cerr << ite << ' '; cerr <<"\n"
#define dbvp(v) cerr << #v << ":"; for (auto ite : v) cerr << "{" << ite.f << ',' << ite.s << "} "; cerr << "\n"
#define dba(a,ss,ee) cerr << #a << ":"; FOR(ite,ss,ee) cerr << a[ite] << ' '; cerr << "\n"
#define reach cerr << "LINE: " << __LINE__ << "\n";
#else
#define db(x)
#define db2(x,y)
#define db3(a,b,c)
#define dbv(v)
#define dbvp(v)
#define dba(a,ss,ee)
#define reach
#endif
//
// --- Sample implementation for the task books ---
//
// To compile this program with the sample grader, place:
// books.h books_sample.cpp sample_grader.cpp
// in a single folder and run:
// g++ books_sample.cpp sample_grader.cpp
// in this folder.
//
/*
SAMPLE GRADER for task BOOKS
USAGE:
place together with your solution and books.h in the same directory, then:
g++ <flags> sample_grader.cpp <solution_file>
e.g.:
g++ -std=c++17 sample_grader.cpp books.cpp
INPUT/OUTPUT:
The sample grader expects on standard input two lines. The first line should
contain the four integers N, K, A and S. The second line should contain a list
of N integers, the sequence of difficulties x_1 x_2 ... x_N which has to be
strictly increasing. Then, the grader writes to standard output a protocol of
all grader functions called by your program.
At the end, the grader prints your verdict.
*/
map<int,ll> memo;
ll query(int x) {
if(memo.find(x) != memo.end())return memo[x];
else return memo[x] = skim(x);
}
void solve(int n, int k, long long a, int s) {
ll lo = 0, hi = n+1;
while(lo<hi-1) {
ll mid = (lo+hi)/2;
ll x = query(mid);
if(x >= a)hi=mid;
else lo=mid;
}
vector<pi> v;
ll r1 = 0;
FOR(i,1,k) {
ll x = query(i);
r1 += x;
v.pb(pi(x,i));
}
reach
if(r1 > 2*a)impossible();
if(r1 >= a){
vector<int> ans;
FOR(i,1,k)ans.pb(i);
answer(ans);
}
if(hi <= n && (hi>=k)&& query(hi) >= a && query(hi) <= 2*a) {
ll tot = 0;
FOR(i,1,k-1) tot+=query(i);
tot+=query(hi);
if(tot <= 2*a) {
vector<int> ans;
FOR(i,1,k-1)ans.pb(i);
ans.pb(hi);
answer(ans);
}
}
//we don't use hi
FOR(i,hi-k,hi-1) {
if(i>0ll && i<=n)v.pb(pi(skim(i),i));
}
sort(all(v));
v.resize(unique(all(v)) - v.begin());
//assert(hi>=10 && hi<=n-10);
FOR(i,0,(1<<(v.size()))-1) {
if(__builtin_popcount(i) != k)continue;
ll tot = 0;
vector<int> res;
FOR(j,0,v.size()-1) {
if(i&(1<<j)) {
tot += v[j].f;
res.pb(v[j].s);
}
}
if(tot >= a && tot <= 2*a){
answer(res);
}
}
impossible();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
0 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
0 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
1 ms |
208 KB |
Output is correct |
11 |
Correct |
1 ms |
300 KB |
Output is correct |
12 |
Correct |
42 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
288 KB |
Output is correct |
14 |
Correct |
1 ms |
428 KB |
Output is correct |
15 |
Correct |
1 ms |
292 KB |
Output is correct |
16 |
Correct |
41 ms |
208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
280 KB |
Output is correct |
3 |
Correct |
1 ms |
276 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
41 ms |
296 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
280 KB |
Output is correct |
3 |
Correct |
1 ms |
276 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
41 ms |
296 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
1 ms |
208 KB |
Output is correct |
11 |
Correct |
2 ms |
208 KB |
Output is correct |
12 |
Correct |
1 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
41 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
300 KB |
Output is correct |
20 |
Correct |
1 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
1 ms |
208 KB |
Output is correct |
23 |
Correct |
1 ms |
300 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
304 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
280 KB |
Output is correct |
3 |
Correct |
1 ms |
276 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
41 ms |
296 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
1 ms |
208 KB |
Output is correct |
11 |
Correct |
2 ms |
208 KB |
Output is correct |
12 |
Correct |
1 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
41 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
300 KB |
Output is correct |
20 |
Correct |
1 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
1 ms |
208 KB |
Output is correct |
23 |
Correct |
1 ms |
300 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
304 KB |
Output is correct |
26 |
Correct |
1 ms |
208 KB |
Output is correct |
27 |
Correct |
1 ms |
208 KB |
Output is correct |
28 |
Correct |
1 ms |
208 KB |
Output is correct |
29 |
Correct |
1 ms |
208 KB |
Output is correct |
30 |
Correct |
1 ms |
208 KB |
Output is correct |
31 |
Correct |
1 ms |
208 KB |
Output is correct |
32 |
Correct |
1 ms |
208 KB |
Output is correct |
33 |
Correct |
40 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
296 KB |
Output is correct |
35 |
Correct |
1 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
1 ms |
208 KB |
Output is correct |
38 |
Correct |
1 ms |
208 KB |
Output is correct |
39 |
Correct |
1 ms |
276 KB |
Output is correct |
40 |
Correct |
1 ms |
296 KB |
Output is correct |
41 |
Correct |
1 ms |
324 KB |
Output is correct |
42 |
Correct |
1 ms |
208 KB |
Output is correct |
43 |
Correct |
1 ms |
208 KB |
Output is correct |
44 |
Correct |
2 ms |
208 KB |
Output is correct |
45 |
Correct |
1 ms |
208 KB |
Output is correct |
46 |
Correct |
1 ms |
208 KB |
Output is correct |
47 |
Correct |
3 ms |
296 KB |
Output is correct |
48 |
Correct |
1 ms |
304 KB |
Output is correct |
49 |
Correct |
1 ms |
304 KB |
Output is correct |
50 |
Correct |
41 ms |
208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
280 KB |
Output is correct |
3 |
Correct |
1 ms |
276 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
41 ms |
296 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
1 ms |
208 KB |
Output is correct |
11 |
Correct |
2 ms |
208 KB |
Output is correct |
12 |
Correct |
1 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
41 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
300 KB |
Output is correct |
20 |
Correct |
1 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
1 ms |
208 KB |
Output is correct |
23 |
Correct |
1 ms |
300 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
304 KB |
Output is correct |
26 |
Correct |
1 ms |
208 KB |
Output is correct |
27 |
Correct |
1 ms |
280 KB |
Output is correct |
28 |
Correct |
1 ms |
208 KB |
Output is correct |
29 |
Correct |
1 ms |
276 KB |
Output is correct |
30 |
Correct |
1 ms |
208 KB |
Output is correct |
31 |
Correct |
1 ms |
208 KB |
Output is correct |
32 |
Correct |
1 ms |
208 KB |
Output is correct |
33 |
Correct |
40 ms |
208 KB |
Output is correct |
34 |
Correct |
2 ms |
208 KB |
Output is correct |
35 |
Correct |
3 ms |
296 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
1 ms |
208 KB |
Output is correct |
38 |
Correct |
1 ms |
208 KB |
Output is correct |
39 |
Correct |
1 ms |
296 KB |
Output is correct |
40 |
Correct |
1 ms |
280 KB |
Output is correct |
41 |
Correct |
2 ms |
276 KB |
Output is correct |
42 |
Correct |
1 ms |
208 KB |
Output is correct |
43 |
Correct |
1 ms |
208 KB |
Output is correct |
44 |
Correct |
1 ms |
208 KB |
Output is correct |
45 |
Correct |
1 ms |
208 KB |
Output is correct |
46 |
Correct |
1 ms |
208 KB |
Output is correct |
47 |
Correct |
43 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
220 KB |
Output is correct |
49 |
Correct |
1 ms |
316 KB |
Output is correct |
50 |
Correct |
2 ms |
312 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
280 KB |
Output is correct |
3 |
Correct |
1 ms |
276 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
41 ms |
296 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
1 ms |
208 KB |
Output is correct |
11 |
Correct |
2 ms |
208 KB |
Output is correct |
12 |
Correct |
1 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
41 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
300 KB |
Output is correct |
20 |
Correct |
1 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
1 ms |
208 KB |
Output is correct |
23 |
Correct |
1 ms |
300 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
304 KB |
Output is correct |
26 |
Correct |
1 ms |
208 KB |
Output is correct |
27 |
Correct |
1 ms |
208 KB |
Output is correct |
28 |
Correct |
1 ms |
208 KB |
Output is correct |
29 |
Correct |
1 ms |
208 KB |
Output is correct |
30 |
Correct |
1 ms |
208 KB |
Output is correct |
31 |
Correct |
1 ms |
208 KB |
Output is correct |
32 |
Correct |
1 ms |
208 KB |
Output is correct |
33 |
Correct |
40 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
296 KB |
Output is correct |
35 |
Correct |
1 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
1 ms |
208 KB |
Output is correct |
38 |
Correct |
1 ms |
208 KB |
Output is correct |
39 |
Correct |
1 ms |
276 KB |
Output is correct |
40 |
Correct |
1 ms |
296 KB |
Output is correct |
41 |
Correct |
1 ms |
324 KB |
Output is correct |
42 |
Correct |
1 ms |
208 KB |
Output is correct |
43 |
Correct |
1 ms |
208 KB |
Output is correct |
44 |
Correct |
2 ms |
208 KB |
Output is correct |
45 |
Correct |
1 ms |
208 KB |
Output is correct |
46 |
Correct |
1 ms |
208 KB |
Output is correct |
47 |
Correct |
3 ms |
296 KB |
Output is correct |
48 |
Correct |
1 ms |
304 KB |
Output is correct |
49 |
Correct |
1 ms |
304 KB |
Output is correct |
50 |
Correct |
41 ms |
208 KB |
Output is correct |
51 |
Correct |
1 ms |
208 KB |
Output is correct |
52 |
Correct |
1 ms |
280 KB |
Output is correct |
53 |
Correct |
1 ms |
208 KB |
Output is correct |
54 |
Correct |
1 ms |
276 KB |
Output is correct |
55 |
Correct |
1 ms |
208 KB |
Output is correct |
56 |
Correct |
1 ms |
208 KB |
Output is correct |
57 |
Correct |
1 ms |
208 KB |
Output is correct |
58 |
Correct |
40 ms |
208 KB |
Output is correct |
59 |
Correct |
2 ms |
208 KB |
Output is correct |
60 |
Correct |
3 ms |
296 KB |
Output is correct |
61 |
Correct |
1 ms |
208 KB |
Output is correct |
62 |
Correct |
1 ms |
208 KB |
Output is correct |
63 |
Correct |
1 ms |
208 KB |
Output is correct |
64 |
Correct |
1 ms |
296 KB |
Output is correct |
65 |
Correct |
1 ms |
280 KB |
Output is correct |
66 |
Correct |
2 ms |
276 KB |
Output is correct |
67 |
Correct |
1 ms |
208 KB |
Output is correct |
68 |
Correct |
1 ms |
208 KB |
Output is correct |
69 |
Correct |
1 ms |
208 KB |
Output is correct |
70 |
Correct |
1 ms |
208 KB |
Output is correct |
71 |
Correct |
1 ms |
208 KB |
Output is correct |
72 |
Correct |
43 ms |
348 KB |
Output is correct |
73 |
Correct |
1 ms |
220 KB |
Output is correct |
74 |
Correct |
1 ms |
316 KB |
Output is correct |
75 |
Correct |
2 ms |
312 KB |
Output is correct |
76 |
Correct |
2 ms |
220 KB |
Output is correct |
77 |
Correct |
1 ms |
208 KB |
Output is correct |
78 |
Correct |
1 ms |
208 KB |
Output is correct |
79 |
Correct |
1 ms |
208 KB |
Output is correct |
80 |
Correct |
1 ms |
208 KB |
Output is correct |
81 |
Correct |
1 ms |
208 KB |
Output is correct |
82 |
Correct |
1 ms |
208 KB |
Output is correct |
83 |
Correct |
1 ms |
208 KB |
Output is correct |
84 |
Correct |
1 ms |
296 KB |
Output is correct |
85 |
Correct |
1 ms |
288 KB |
Output is correct |
86 |
Correct |
2 ms |
288 KB |
Output is correct |
87 |
Correct |
44 ms |
304 KB |
Output is correct |
88 |
Correct |
1 ms |
208 KB |
Output is correct |
89 |
Correct |
1 ms |
208 KB |
Output is correct |
90 |
Correct |
1 ms |
296 KB |
Output is correct |
91 |
Correct |
42 ms |
300 KB |
Output is correct |
92 |
Correct |
1 ms |
288 KB |
Output is correct |
93 |
Correct |
1 ms |
296 KB |
Output is correct |
94 |
Correct |
1 ms |
208 KB |
Output is correct |
95 |
Correct |
1 ms |
208 KB |
Output is correct |
96 |
Correct |
1 ms |
288 KB |
Output is correct |
97 |
Correct |
1 ms |
292 KB |
Output is correct |
98 |
Correct |
1 ms |
292 KB |
Output is correct |
99 |
Correct |
44 ms |
288 KB |
Output is correct |
100 |
Correct |
1 ms |
288 KB |
Output is correct |
101 |
Correct |
1 ms |
208 KB |
Output is correct |
102 |
Correct |
1 ms |
280 KB |
Output is correct |
103 |
Correct |
1 ms |
336 KB |
Output is correct |
104 |
Correct |
1 ms |
208 KB |
Output is correct |
105 |
Correct |
1 ms |
336 KB |
Output is correct |
106 |
Correct |
1 ms |
292 KB |
Output is correct |
107 |
Correct |
1 ms |
208 KB |
Output is correct |
108 |
Correct |
1 ms |
208 KB |
Output is correct |
109 |
Correct |
1 ms |
208 KB |
Output is correct |
110 |
Correct |
1 ms |
280 KB |
Output is correct |
111 |
Correct |
1 ms |
208 KB |
Output is correct |
112 |
Correct |
1 ms |
208 KB |
Output is correct |
113 |
Correct |
3 ms |
208 KB |
Output is correct |
114 |
Correct |
1 ms |
208 KB |
Output is correct |
115 |
Correct |
1 ms |
292 KB |
Output is correct |
116 |
Correct |
45 ms |
292 KB |
Output is correct |
117 |
Correct |
1 ms |
208 KB |
Output is correct |
118 |
Correct |
1 ms |
208 KB |
Output is correct |
119 |
Correct |
1 ms |
292 KB |
Output is correct |
120 |
Correct |
1 ms |
288 KB |
Output is correct |
121 |
Correct |
1 ms |
276 KB |
Output is correct |
122 |
Correct |
42 ms |
292 KB |
Output is correct |
123 |
Correct |
1 ms |
296 KB |
Output is correct |
124 |
Correct |
1 ms |
288 KB |
Output is correct |
125 |
Correct |
1 ms |
288 KB |
Output is correct |
126 |
Correct |
1 ms |
292 KB |
Output is correct |
127 |
Correct |
1 ms |
208 KB |
Output is correct |
128 |
Correct |
1 ms |
284 KB |
Output is correct |
129 |
Correct |
1 ms |
208 KB |
Output is correct |
130 |
Correct |
3 ms |
312 KB |
Output is correct |
131 |
Correct |
52 ms |
296 KB |
Output is correct |
132 |
Correct |
1 ms |
208 KB |
Output is correct |
133 |
Correct |
1 ms |
208 KB |
Output is correct |
134 |
Correct |
1 ms |
296 KB |
Output is correct |
135 |
Correct |
43 ms |
296 KB |
Output is correct |