#include <bits/stdc++.h>
#include "books.h"
using namespace std;
//
// --- 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.
//
#define F first
#define S second
#define PB push_back
#define all(a) (a).begin(), (a).end()
using ll = long long;
void solve(int N, int K, long long A, int S) {
vector<pair<ll, int>> known;
if(S >= N) {
for(int i = 1; i <= N; i++) {
known.PB({skim(i), i});
}
vector<pair<ll, int>> consider = known;
sort(all(consider));
consider.erase(unique(consider.begin(), consider.end()), consider.end());
for(int i = K-1; i < consider.size(); i++) {
if(consider[i].F >= A) {
ll sum = consider[i].F;
for(int j = 1; j < K; j++) sum += consider[j-1].F;
if(A <= sum && sum <= 2*A) {
vector<int> ans;
for(int j = 1; j < K; j++) ans.PB(consider[j-1].S);
ans.PB(i+1);
answer(ans);
}
break;
}
}
for(int i = 1; i+K-1 <= consider.size(); i++) {
ll sum = 0;
for(int j = 0; j < K; j++) sum += consider[i-1+j].F;
if(A <= sum && sum <= 2*A) {
vector<int> ans;
for(int j = 0; j < K; j++) ans.PB(consider[i-1+j].S);
answer(ans);
}
}
impossible();
}
else {
// S < N
// S >= 40 for every test (or equal to N)
// Therefore, N > 40 (if not testing locally)
int lo = 1, hi = N;
// find first x such that x >= A
while(lo < hi) {
int m = (lo+hi)/2;
if(skim(m) < A) {
lo = m+1;
}
else {
hi = m;
}
}
for(int i = 1; i <= K; i++) {
known.PB({skim(i), i});
}
ll sum = skim(lo);
ll mx = sum;
for(int i = 1; i < K; i++) sum += known[i-1].F;
if(lo < K) sum -= mx, sum += known[K-1].F;
if(A <= sum && sum <= 2*A) {
vector<int> ans;
for(int i = 1; i < K; i++) ans.PB(known[i-1].S);
if(lo >= K) ans.PB(lo);
else ans.PB(K);
answer(ans);
}
vector<pair<ll, int>> consider = known;
for(int i = 1; i <= K; i++) {
int where = max(1, lo-i+(mx < A));
consider.PB({skim(where), where});
}
sort(all(consider));
consider.erase(unique(consider.begin(), consider.end()), consider.end());
for(int i = 1; i+K-1 <= consider.size(); i++) {
sum = 0;
for(int j = 0; j < K; j++) sum += consider[i-1+j].F;
if(A <= sum && sum <= 2*A) {
vector<int> ans;
for(int j = 0; j < K; j++) ans.PB(consider[i-1+j].S);
answer(ans);
}
}
impossible();
}
}
/*
6 3 10 6
1 2 3 4 5 6
6 3 15 6
1 2 3 4 5 6
6 3 100 6
1 2 3 4 197 200
6 3 16 6
1 2 3 4 5 6
15 3 42 14
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
15 3 60 14
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
*/
Compilation message
books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:32:28: 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]
32 | for(int i = K-1; i < consider.size(); i++) {
| ~~^~~~~~~~~~~~~~~~~
books.cpp:45:30: 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]
45 | for(int i = 1; i+K-1 <= consider.size(); i++) {
| ~~~~~~^~~~~~~~~~~~~~~~~~
books.cpp:92:30: 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]
92 | for(int i = 1; i+K-1 <= consider.size(); i++) {
| ~~~~~~^~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
6 ms |
324 KB |
Output is correct |
3 |
Correct |
7 ms |
336 KB |
Output is correct |
4 |
Correct |
8 ms |
336 KB |
Output is correct |
5 |
Correct |
7 ms |
336 KB |
Output is correct |
6 |
Correct |
6 ms |
336 KB |
Output is correct |
7 |
Correct |
9 ms |
300 KB |
Output is correct |
8 |
Correct |
10 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
308 KB |
Output is correct |
2 |
Correct |
8 ms |
320 KB |
Output is correct |
3 |
Correct |
6 ms |
296 KB |
Output is correct |
4 |
Correct |
9 ms |
332 KB |
Output is correct |
5 |
Correct |
10 ms |
328 KB |
Output is correct |
6 |
Correct |
8 ms |
316 KB |
Output is correct |
7 |
Correct |
8 ms |
336 KB |
Output is correct |
8 |
Correct |
7 ms |
336 KB |
Output is correct |
9 |
Correct |
224 ms |
1116 KB |
Output is correct |
10 |
Correct |
192 ms |
1180 KB |
Output is correct |
11 |
Correct |
160 ms |
1204 KB |
Output is correct |
12 |
Correct |
203 ms |
1380 KB |
Output is correct |
13 |
Correct |
208 ms |
1164 KB |
Output is correct |
14 |
Correct |
239 ms |
1132 KB |
Output is correct |
15 |
Correct |
171 ms |
1144 KB |
Output is correct |
16 |
Correct |
206 ms |
1196 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
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 |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
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 |
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 |
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 |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
208 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 |
208 KB |
Output is correct |
24 |
Correct |
1 ms |
208 KB |
Output is correct |
25 |
Correct |
1 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
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 |
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 |
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 |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
208 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 |
208 KB |
Output is correct |
24 |
Correct |
1 ms |
208 KB |
Output is correct |
25 |
Correct |
1 ms |
208 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 |
1 ms |
256 KB |
Output is correct |
34 |
Correct |
1 ms |
256 KB |
Output is correct |
35 |
Correct |
0 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 |
208 KB |
Output is correct |
40 |
Correct |
1 ms |
208 KB |
Output is correct |
41 |
Correct |
1 ms |
208 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 |
1 ms |
208 KB |
Output is correct |
48 |
Correct |
1 ms |
208 KB |
Output is correct |
49 |
Correct |
1 ms |
208 KB |
Output is correct |
50 |
Correct |
1 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
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 |
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 |
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 |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
208 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 |
208 KB |
Output is correct |
24 |
Correct |
1 ms |
208 KB |
Output is correct |
25 |
Correct |
1 ms |
208 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 |
0 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 |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
0 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 |
312 KB |
Output is correct |
39 |
Correct |
1 ms |
208 KB |
Output is correct |
40 |
Correct |
1 ms |
208 KB |
Output is correct |
41 |
Correct |
1 ms |
208 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 |
1 ms |
208 KB |
Output is correct |
48 |
Correct |
1 ms |
208 KB |
Output is correct |
49 |
Correct |
1 ms |
208 KB |
Output is correct |
50 |
Correct |
1 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
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 |
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 |
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 |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
208 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 |
208 KB |
Output is correct |
24 |
Correct |
1 ms |
208 KB |
Output is correct |
25 |
Correct |
1 ms |
208 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 |
1 ms |
256 KB |
Output is correct |
34 |
Correct |
1 ms |
256 KB |
Output is correct |
35 |
Correct |
0 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 |
208 KB |
Output is correct |
40 |
Correct |
1 ms |
208 KB |
Output is correct |
41 |
Correct |
1 ms |
208 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 |
1 ms |
208 KB |
Output is correct |
48 |
Correct |
1 ms |
208 KB |
Output is correct |
49 |
Correct |
1 ms |
208 KB |
Output is correct |
50 |
Correct |
1 ms |
208 KB |
Output is correct |
51 |
Correct |
1 ms |
208 KB |
Output is correct |
52 |
Correct |
1 ms |
208 KB |
Output is correct |
53 |
Correct |
1 ms |
208 KB |
Output is correct |
54 |
Correct |
1 ms |
208 KB |
Output is correct |
55 |
Correct |
0 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 |
1 ms |
208 KB |
Output is correct |
59 |
Correct |
1 ms |
208 KB |
Output is correct |
60 |
Correct |
0 ms |
208 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 |
312 KB |
Output is correct |
64 |
Correct |
1 ms |
208 KB |
Output is correct |
65 |
Correct |
1 ms |
208 KB |
Output is correct |
66 |
Correct |
1 ms |
208 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 |
1 ms |
208 KB |
Output is correct |
73 |
Correct |
1 ms |
208 KB |
Output is correct |
74 |
Correct |
1 ms |
208 KB |
Output is correct |
75 |
Correct |
1 ms |
208 KB |
Output is correct |
76 |
Correct |
2 ms |
336 KB |
Output is correct |
77 |
Correct |
9 ms |
328 KB |
Output is correct |
78 |
Correct |
8 ms |
336 KB |
Output is correct |
79 |
Correct |
8 ms |
324 KB |
Output is correct |
80 |
Correct |
8 ms |
336 KB |
Output is correct |
81 |
Correct |
10 ms |
336 KB |
Output is correct |
82 |
Correct |
6 ms |
316 KB |
Output is correct |
83 |
Correct |
10 ms |
316 KB |
Output is correct |
84 |
Correct |
168 ms |
1184 KB |
Output is correct |
85 |
Correct |
130 ms |
1168 KB |
Output is correct |
86 |
Correct |
190 ms |
1256 KB |
Output is correct |
87 |
Correct |
201 ms |
1188 KB |
Output is correct |
88 |
Correct |
222 ms |
1168 KB |
Output is correct |
89 |
Correct |
216 ms |
1192 KB |
Output is correct |
90 |
Correct |
213 ms |
1192 KB |
Output is correct |
91 |
Correct |
161 ms |
1228 KB |
Output is correct |
92 |
Correct |
0 ms |
208 KB |
Output is correct |
93 |
Correct |
1 ms |
208 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 |
208 KB |
Output is correct |
97 |
Correct |
1 ms |
208 KB |
Output is correct |
98 |
Correct |
0 ms |
208 KB |
Output is correct |
99 |
Correct |
1 ms |
208 KB |
Output is correct |
100 |
Correct |
1 ms |
208 KB |
Output is correct |
101 |
Correct |
1 ms |
208 KB |
Output is correct |
102 |
Correct |
1 ms |
208 KB |
Output is correct |
103 |
Correct |
1 ms |
208 KB |
Output is correct |
104 |
Correct |
1 ms |
208 KB |
Output is correct |
105 |
Correct |
1 ms |
208 KB |
Output is correct |
106 |
Correct |
1 ms |
208 KB |
Output is correct |
107 |
Correct |
0 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 |
208 KB |
Output is correct |
111 |
Correct |
1 ms |
208 KB |
Output is correct |
112 |
Correct |
1 ms |
208 KB |
Output is correct |
113 |
Correct |
1 ms |
208 KB |
Output is correct |
114 |
Correct |
1 ms |
208 KB |
Output is correct |
115 |
Correct |
1 ms |
208 KB |
Output is correct |
116 |
Correct |
1 ms |
208 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 |
208 KB |
Output is correct |
120 |
Correct |
1 ms |
208 KB |
Output is correct |
121 |
Correct |
1 ms |
208 KB |
Output is correct |
122 |
Correct |
1 ms |
208 KB |
Output is correct |
123 |
Correct |
1 ms |
208 KB |
Output is correct |
124 |
Correct |
1 ms |
208 KB |
Output is correct |
125 |
Correct |
1 ms |
208 KB |
Output is correct |
126 |
Correct |
1 ms |
208 KB |
Output is correct |
127 |
Correct |
1 ms |
208 KB |
Output is correct |
128 |
Correct |
1 ms |
208 KB |
Output is correct |
129 |
Correct |
1 ms |
208 KB |
Output is correct |
130 |
Correct |
1 ms |
208 KB |
Output is correct |
131 |
Correct |
1 ms |
208 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 |
208 KB |
Output is correct |
135 |
Correct |
1 ms |
208 KB |
Output is correct |