#include "biscuits.h"
#include <numeric>
#include <algorithm>
#include <cstdio>
#include <iostream>
#include <cassert>
using namespace std;
long long count_tastiness(long long x, vector<long long> a) {
int k = (int) a.size();
vector<long long> dp(k + 1);
dp[0] = 1;
for (int i = 0; i < k; ++i) {
long long c = 0;
for (int j = 0; j < i; ++j) c = (c + a[j]) / 2;
c += a[i];
if (c < x) {
dp[i + 1] = dp[i];
continue;
}
if (i < k - 1 && c >= 2 * x) {
dp[i + 1] = dp[i] * 2;
continue;
}
dp[i + 1] = dp[i] * (c / x - 1);
auto b = a;
b.resize(i + 1);
b.back() -= (c / x - 1) * x;
while (true) {
if (b.empty()) {
++dp[i + 1];
break;
}
long long d = 0;
for (int j = 0; j < (int) b.size(); ++j) d = d / 2 + b[j];
while (d >= 2 * x) { b.push_back(0); d /= 2; }
dp[i + 1] += dp[b.size() - 1];
if (b.back() >= x) {
b.pop_back();
continue;
}
long long rem = x;
while (rem && !b.empty()) {
if (b.back() <= rem) {
rem -= b.back();
b.pop_back();
} else {
b.back() -= rem, rem = 0;
}
rem *= 2;
}
if (rem) break;
}
}
return dp[k];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
2 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
2 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
332 KB |
Output is correct |
2 |
Correct |
16 ms |
716 KB |
Output is correct |
3 |
Correct |
17 ms |
1100 KB |
Output is correct |
4 |
Correct |
17 ms |
1172 KB |
Output is correct |
5 |
Correct |
17 ms |
1100 KB |
Output is correct |
6 |
Correct |
16 ms |
1132 KB |
Output is correct |
7 |
Correct |
16 ms |
1100 KB |
Output is correct |
8 |
Correct |
16 ms |
1140 KB |
Output is correct |
9 |
Correct |
16 ms |
1100 KB |
Output is correct |
10 |
Correct |
15 ms |
1160 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
2 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
1 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
2 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
204 KB |
Output is correct |
32 |
Correct |
1 ms |
204 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
2 ms |
332 KB |
Output is correct |
38 |
Correct |
16 ms |
716 KB |
Output is correct |
39 |
Correct |
17 ms |
1100 KB |
Output is correct |
40 |
Correct |
17 ms |
1172 KB |
Output is correct |
41 |
Correct |
17 ms |
1100 KB |
Output is correct |
42 |
Correct |
16 ms |
1132 KB |
Output is correct |
43 |
Correct |
16 ms |
1100 KB |
Output is correct |
44 |
Correct |
16 ms |
1140 KB |
Output is correct |
45 |
Correct |
16 ms |
1100 KB |
Output is correct |
46 |
Correct |
15 ms |
1160 KB |
Output is correct |
47 |
Correct |
2 ms |
332 KB |
Output is correct |
48 |
Correct |
18 ms |
1296 KB |
Output is correct |
49 |
Correct |
2 ms |
332 KB |
Output is correct |
50 |
Correct |
16 ms |
1152 KB |
Output is correct |
51 |
Correct |
14 ms |
1328 KB |
Output is correct |
52 |
Correct |
3 ms |
332 KB |
Output is correct |
53 |
Correct |
11 ms |
1168 KB |
Output is correct |
54 |
Correct |
33 ms |
1156 KB |
Output is correct |
55 |
Correct |
27 ms |
1076 KB |
Output is correct |
56 |
Correct |
24 ms |
1228 KB |
Output is correct |
57 |
Correct |
21 ms |
1196 KB |
Output is correct |