#include <bits/stdc++.h>
#include "books.h"
using namespace std;
typedef long long ll;
#define All(x) (x).begin(), (x).end()
const ll inf = 1e18, maxn = 1e5 + 10;
ll a[maxn];
// --- 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.
//
void solve(int N, int k, ll A, int S) {
int l = 1, r = N;
while(l < r) {
int mid = (l + r) >> 1;
a[mid] = skim(mid);
if(a[mid] >= A) r = mid;
else l = mid + 1;
}
int pos_A = l;
a[pos_A] = skim(pos_A);
if(pos_A < k && a[pos_A] >= A) {
impossible();
return;
}
if(pos_A == k && a[pos_A] >= A) {
ll ans = a[pos_A];
for(int i = 1; i < k; i++) a[i] = skim(i);
bool flag = false;
for(int i = 1; i < k; i++) {
ans += a[i];
if(ans > inf) {
flag = true;
break;
}
}
if(flag) {
impossible();
}
if(ans >= A && ans <= A * 2) {
vector<int> vc;
for(int i = 1; i <= k; i++) vc.push_back(i);
answer(vc);
return;
}
impossible();
return;
}
bool flag = false;
ll ans = 0;
for(int i = 1; i <= k; i++) {
a[i] = skim(i), ans += a[i];
if(ans > inf) {
flag = true;
break;
}
}
if(flag) {
impossible();
return;
}
if(ans >= A && ans <= A * 2) {
vector<int> vc;
for(int i = 1; i <= k; i++) vc.push_back(i);
answer(vc);
return;
}
if(ans > A * 2) {
impossible();
return;
}
if(a[pos_A] >= A) {
ans -= a[k], ans += a[pos_A];
if(ans >= A && ans <= A * 2) {
vector<int> vc;
for(int i = 1; i < k; i++) vc.push_back(i);
vc.push_back(pos_A);
answer(vc);
return;
}
ans -= a[pos_A], ans += a[k];
}
vector<int> vc, vc2;
for(int i = k; i > 0; i--) vc.push_back(i);
if(a[pos_A] < A) pos_A++;
for(int i = pos_A - 1; i > k && !vc.empty(); i--) {
int ind = pos_A - i;
a[i] = skim(i);
ans -= a[ind], ans += a[i];
if(ans > inf) {
impossible();
return;
}
vc.pop_back();
vc2.push_back(i);
if(ans >= A && ans <= A * 2) {
vector<int> ans_t;
for(auto j : vc) ans_t.push_back(j);
for(auto j : vc2) ans_t.push_back(j);
sort(All(ans_t));
answer(ans_t);
return;
}
}
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 |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
# |
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 |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
308 KB |
Output is correct |
10 |
Correct |
1 ms |
312 KB |
Output is correct |
11 |
Correct |
1 ms |
208 KB |
Output is correct |
12 |
Correct |
1 ms |
312 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 |
308 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
300 KB |
Output is correct |
2 |
Correct |
1 ms |
304 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
1 ms |
292 KB |
Output is correct |
5 |
Correct |
1 ms |
308 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
300 KB |
Output is correct |
2 |
Correct |
1 ms |
304 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
1 ms |
292 KB |
Output is correct |
5 |
Correct |
1 ms |
308 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
10 |
Correct |
1 ms |
312 KB |
Output is correct |
11 |
Correct |
1 ms |
312 KB |
Output is correct |
12 |
Correct |
1 ms |
300 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
0 ms |
304 KB |
Output is correct |
15 |
Correct |
1 ms |
304 KB |
Output is correct |
16 |
Correct |
1 ms |
288 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
304 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
300 KB |
Output is correct |
21 |
Correct |
1 ms |
300 KB |
Output is correct |
22 |
Correct |
0 ms |
308 KB |
Output is correct |
23 |
Correct |
1 ms |
292 KB |
Output is correct |
24 |
Correct |
1 ms |
304 KB |
Output is correct |
25 |
Correct |
1 ms |
312 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
300 KB |
Output is correct |
2 |
Correct |
1 ms |
304 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
1 ms |
292 KB |
Output is correct |
5 |
Correct |
1 ms |
308 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
10 |
Correct |
1 ms |
312 KB |
Output is correct |
11 |
Correct |
1 ms |
312 KB |
Output is correct |
12 |
Correct |
1 ms |
300 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
0 ms |
304 KB |
Output is correct |
15 |
Correct |
1 ms |
304 KB |
Output is correct |
16 |
Correct |
1 ms |
288 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
304 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
300 KB |
Output is correct |
21 |
Correct |
1 ms |
300 KB |
Output is correct |
22 |
Correct |
0 ms |
308 KB |
Output is correct |
23 |
Correct |
1 ms |
292 KB |
Output is correct |
24 |
Correct |
1 ms |
304 KB |
Output is correct |
25 |
Correct |
1 ms |
312 KB |
Output is correct |
26 |
Correct |
1 ms |
300 KB |
Output is correct |
27 |
Correct |
1 ms |
308 KB |
Output is correct |
28 |
Correct |
1 ms |
304 KB |
Output is correct |
29 |
Correct |
1 ms |
208 KB |
Output is correct |
30 |
Correct |
0 ms |
300 KB |
Output is correct |
31 |
Correct |
1 ms |
296 KB |
Output is correct |
32 |
Correct |
1 ms |
312 KB |
Output is correct |
33 |
Correct |
1 ms |
300 KB |
Output is correct |
34 |
Correct |
1 ms |
304 KB |
Output is correct |
35 |
Correct |
1 ms |
304 KB |
Output is correct |
36 |
Correct |
1 ms |
308 KB |
Output is correct |
37 |
Correct |
1 ms |
208 KB |
Output is correct |
38 |
Correct |
1 ms |
304 KB |
Output is correct |
39 |
Correct |
1 ms |
300 KB |
Output is correct |
40 |
Correct |
1 ms |
336 KB |
Output is correct |
41 |
Correct |
1 ms |
208 KB |
Output is correct |
42 |
Correct |
1 ms |
288 KB |
Output is correct |
43 |
Correct |
1 ms |
292 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 |
300 KB |
Output is correct |
47 |
Correct |
1 ms |
336 KB |
Output is correct |
48 |
Correct |
1 ms |
316 KB |
Output is correct |
49 |
Correct |
1 ms |
336 KB |
Output is correct |
50 |
Correct |
1 ms |
308 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
300 KB |
Output is correct |
2 |
Correct |
1 ms |
304 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
1 ms |
292 KB |
Output is correct |
5 |
Correct |
1 ms |
308 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
10 |
Correct |
1 ms |
312 KB |
Output is correct |
11 |
Correct |
1 ms |
312 KB |
Output is correct |
12 |
Correct |
1 ms |
300 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
0 ms |
304 KB |
Output is correct |
15 |
Correct |
1 ms |
304 KB |
Output is correct |
16 |
Correct |
1 ms |
288 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
304 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
300 KB |
Output is correct |
21 |
Correct |
1 ms |
300 KB |
Output is correct |
22 |
Correct |
0 ms |
308 KB |
Output is correct |
23 |
Correct |
1 ms |
292 KB |
Output is correct |
24 |
Correct |
1 ms |
304 KB |
Output is correct |
25 |
Correct |
1 ms |
312 KB |
Output is correct |
26 |
Correct |
1 ms |
304 KB |
Output is correct |
27 |
Correct |
1 ms |
304 KB |
Output is correct |
28 |
Correct |
1 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
208 KB |
Output is correct |
30 |
Correct |
1 ms |
308 KB |
Output is correct |
31 |
Correct |
0 ms |
300 KB |
Output is correct |
32 |
Correct |
1 ms |
288 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
1 ms |
300 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
1 ms |
304 KB |
Output is correct |
38 |
Correct |
1 ms |
208 KB |
Output is correct |
39 |
Correct |
1 ms |
308 KB |
Output is correct |
40 |
Correct |
1 ms |
312 KB |
Output is correct |
41 |
Correct |
1 ms |
312 KB |
Output is correct |
42 |
Correct |
1 ms |
288 KB |
Output is correct |
43 |
Correct |
1 ms |
288 KB |
Output is correct |
44 |
Correct |
1 ms |
292 KB |
Output is correct |
45 |
Correct |
1 ms |
304 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 |
292 KB |
Output is correct |
49 |
Correct |
1 ms |
288 KB |
Output is correct |
50 |
Correct |
0 ms |
208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
300 KB |
Output is correct |
2 |
Correct |
1 ms |
304 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
1 ms |
292 KB |
Output is correct |
5 |
Correct |
1 ms |
308 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
10 |
Correct |
1 ms |
312 KB |
Output is correct |
11 |
Correct |
1 ms |
312 KB |
Output is correct |
12 |
Correct |
1 ms |
300 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
0 ms |
304 KB |
Output is correct |
15 |
Correct |
1 ms |
304 KB |
Output is correct |
16 |
Correct |
1 ms |
288 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
304 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
300 KB |
Output is correct |
21 |
Correct |
1 ms |
300 KB |
Output is correct |
22 |
Correct |
0 ms |
308 KB |
Output is correct |
23 |
Correct |
1 ms |
292 KB |
Output is correct |
24 |
Correct |
1 ms |
304 KB |
Output is correct |
25 |
Correct |
1 ms |
312 KB |
Output is correct |
26 |
Correct |
1 ms |
300 KB |
Output is correct |
27 |
Correct |
1 ms |
308 KB |
Output is correct |
28 |
Correct |
1 ms |
304 KB |
Output is correct |
29 |
Correct |
1 ms |
208 KB |
Output is correct |
30 |
Correct |
0 ms |
300 KB |
Output is correct |
31 |
Correct |
1 ms |
296 KB |
Output is correct |
32 |
Correct |
1 ms |
312 KB |
Output is correct |
33 |
Correct |
1 ms |
300 KB |
Output is correct |
34 |
Correct |
1 ms |
304 KB |
Output is correct |
35 |
Correct |
1 ms |
304 KB |
Output is correct |
36 |
Correct |
1 ms |
308 KB |
Output is correct |
37 |
Correct |
1 ms |
208 KB |
Output is correct |
38 |
Correct |
1 ms |
304 KB |
Output is correct |
39 |
Correct |
1 ms |
300 KB |
Output is correct |
40 |
Correct |
1 ms |
336 KB |
Output is correct |
41 |
Correct |
1 ms |
208 KB |
Output is correct |
42 |
Correct |
1 ms |
288 KB |
Output is correct |
43 |
Correct |
1 ms |
292 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 |
300 KB |
Output is correct |
47 |
Correct |
1 ms |
336 KB |
Output is correct |
48 |
Correct |
1 ms |
316 KB |
Output is correct |
49 |
Correct |
1 ms |
336 KB |
Output is correct |
50 |
Correct |
1 ms |
308 KB |
Output is correct |
51 |
Correct |
1 ms |
304 KB |
Output is correct |
52 |
Correct |
1 ms |
304 KB |
Output is correct |
53 |
Correct |
1 ms |
336 KB |
Output is correct |
54 |
Correct |
1 ms |
208 KB |
Output is correct |
55 |
Correct |
1 ms |
308 KB |
Output is correct |
56 |
Correct |
0 ms |
300 KB |
Output is correct |
57 |
Correct |
1 ms |
288 KB |
Output is correct |
58 |
Correct |
1 ms |
208 KB |
Output is correct |
59 |
Correct |
1 ms |
208 KB |
Output is correct |
60 |
Correct |
1 ms |
300 KB |
Output is correct |
61 |
Correct |
1 ms |
208 KB |
Output is correct |
62 |
Correct |
1 ms |
304 KB |
Output is correct |
63 |
Correct |
1 ms |
208 KB |
Output is correct |
64 |
Correct |
1 ms |
308 KB |
Output is correct |
65 |
Correct |
1 ms |
312 KB |
Output is correct |
66 |
Correct |
1 ms |
312 KB |
Output is correct |
67 |
Correct |
1 ms |
288 KB |
Output is correct |
68 |
Correct |
1 ms |
288 KB |
Output is correct |
69 |
Correct |
1 ms |
292 KB |
Output is correct |
70 |
Correct |
1 ms |
304 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 |
292 KB |
Output is correct |
74 |
Correct |
1 ms |
288 KB |
Output is correct |
75 |
Correct |
0 ms |
208 KB |
Output is correct |
76 |
Correct |
1 ms |
208 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 |
0 ms |
208 KB |
Output is correct |
82 |
Correct |
0 ms |
208 KB |
Output is correct |
83 |
Correct |
0 ms |
208 KB |
Output is correct |
84 |
Correct |
1 ms |
208 KB |
Output is correct |
85 |
Correct |
1 ms |
208 KB |
Output is correct |
86 |
Correct |
1 ms |
308 KB |
Output is correct |
87 |
Correct |
1 ms |
312 KB |
Output is correct |
88 |
Correct |
1 ms |
308 KB |
Output is correct |
89 |
Correct |
1 ms |
208 KB |
Output is correct |
90 |
Correct |
1 ms |
312 KB |
Output is correct |
91 |
Correct |
1 ms |
208 KB |
Output is correct |
92 |
Correct |
1 ms |
304 KB |
Output is correct |
93 |
Correct |
1 ms |
288 KB |
Output is correct |
94 |
Correct |
1 ms |
208 KB |
Output is correct |
95 |
Correct |
1 ms |
304 KB |
Output is correct |
96 |
Correct |
1 ms |
300 KB |
Output is correct |
97 |
Correct |
1 ms |
296 KB |
Output is correct |
98 |
Correct |
1 ms |
304 KB |
Output is correct |
99 |
Correct |
1 ms |
208 KB |
Output is correct |
100 |
Correct |
1 ms |
312 KB |
Output is correct |
101 |
Correct |
1 ms |
308 KB |
Output is correct |
102 |
Correct |
1 ms |
328 KB |
Output is correct |
103 |
Correct |
1 ms |
308 KB |
Output is correct |
104 |
Correct |
1 ms |
296 KB |
Output is correct |
105 |
Correct |
1 ms |
308 KB |
Output is correct |
106 |
Correct |
0 ms |
312 KB |
Output is correct |
107 |
Correct |
1 ms |
308 KB |
Output is correct |
108 |
Correct |
1 ms |
300 KB |
Output is correct |
109 |
Correct |
1 ms |
292 KB |
Output is correct |
110 |
Correct |
1 ms |
304 KB |
Output is correct |
111 |
Correct |
1 ms |
208 KB |
Output is correct |
112 |
Correct |
1 ms |
304 KB |
Output is correct |
113 |
Correct |
1 ms |
292 KB |
Output is correct |
114 |
Correct |
1 ms |
336 KB |
Output is correct |
115 |
Correct |
1 ms |
308 KB |
Output is correct |
116 |
Correct |
1 ms |
208 KB |
Output is correct |
117 |
Correct |
1 ms |
300 KB |
Output is correct |
118 |
Correct |
1 ms |
304 KB |
Output is correct |
119 |
Correct |
1 ms |
208 KB |
Output is correct |
120 |
Correct |
1 ms |
304 KB |
Output is correct |
121 |
Correct |
1 ms |
336 KB |
Output is correct |
122 |
Correct |
1 ms |
300 KB |
Output is correct |
123 |
Correct |
1 ms |
300 KB |
Output is correct |
124 |
Correct |
1 ms |
304 KB |
Output is correct |
125 |
Correct |
1 ms |
312 KB |
Output is correct |
126 |
Correct |
1 ms |
336 KB |
Output is correct |
127 |
Correct |
1 ms |
336 KB |
Output is correct |
128 |
Correct |
1 ms |
316 KB |
Output is correct |
129 |
Correct |
1 ms |
336 KB |
Output is correct |
130 |
Correct |
1 ms |
300 KB |
Output is correct |
131 |
Correct |
1 ms |
304 KB |
Output is correct |
132 |
Correct |
1 ms |
292 KB |
Output is correct |
133 |
Correct |
1 ms |
208 KB |
Output is correct |
134 |
Correct |
1 ms |
308 KB |
Output is correct |
135 |
Correct |
1 ms |
336 KB |
Output is correct |