// biscuits-yanhao-restrict
#include "biscuits.h"
#include <vector>
using namespace std;
long long dp[61];
void merge_biscuits(long long x, vector<long long> &a) {
while(a.size()<61) a.push_back(0);
for(int i=0; i<(int)a.size(); i++) {
if(a[i]>x+1) {
a[i+1] += (a[i]-x)/2;
a[i] -= ((a[i]-x)/2)*2;
}
}
}
long long count_tastiness(long long x, std::vector<long long> a) {
merge_biscuits(x, a);
dp[0] = a[0]<x ? 1 : 2;
for(int i=1; i<=60; i++) {
if(a[i] >= x) {
dp[i] = 2*dp[i-1];
} else {
dp[i] = dp[i-1];
long long target = 2*(x-a[i]); // we are short of (target) coins of type idx-1
for(int idx=i-1; idx>=0 && target<=2*x && target>0; idx--) {
if(a[idx] < target) { // not enough to meet target, subtract from target
target -= a[idx];
target *= 2; // double because we now use lower value coins
} else if(idx==0) {
dp[i] += (a[idx]-target<x ? 1: 2);
} else {
target = 2*(x-a[idx]+target);
dp[i] += dp[idx-1];
}
}
}
}
return dp[60];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
1 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
1 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
17 ms |
768 KB |
Output is correct |
3 |
Correct |
11 ms |
896 KB |
Output is correct |
4 |
Correct |
16 ms |
768 KB |
Output is correct |
5 |
Correct |
15 ms |
768 KB |
Output is correct |
6 |
Correct |
11 ms |
768 KB |
Output is correct |
7 |
Correct |
10 ms |
896 KB |
Output is correct |
8 |
Correct |
10 ms |
768 KB |
Output is correct |
9 |
Correct |
11 ms |
768 KB |
Output is correct |
10 |
Correct |
10 ms |
896 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
0 ms |
256 KB |
Output is correct |
17 |
Correct |
0 ms |
256 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
256 KB |
Output is correct |
20 |
Correct |
1 ms |
256 KB |
Output is correct |
21 |
Correct |
0 ms |
256 KB |
Output is correct |
22 |
Correct |
1 ms |
256 KB |
Output is correct |
23 |
Correct |
1 ms |
256 KB |
Output is correct |
24 |
Correct |
0 ms |
256 KB |
Output is correct |
25 |
Correct |
1 ms |
256 KB |
Output is correct |
26 |
Correct |
1 ms |
256 KB |
Output is correct |
27 |
Correct |
1 ms |
256 KB |
Output is correct |
28 |
Correct |
1 ms |
256 KB |
Output is correct |
29 |
Correct |
1 ms |
256 KB |
Output is correct |
30 |
Correct |
0 ms |
256 KB |
Output is correct |
31 |
Correct |
1 ms |
256 KB |
Output is correct |
32 |
Correct |
0 ms |
256 KB |
Output is correct |
33 |
Correct |
1 ms |
256 KB |
Output is correct |
34 |
Correct |
1 ms |
256 KB |
Output is correct |
35 |
Correct |
1 ms |
256 KB |
Output is correct |
36 |
Correct |
1 ms |
256 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
17 ms |
768 KB |
Output is correct |
39 |
Correct |
11 ms |
896 KB |
Output is correct |
40 |
Correct |
16 ms |
768 KB |
Output is correct |
41 |
Correct |
15 ms |
768 KB |
Output is correct |
42 |
Correct |
11 ms |
768 KB |
Output is correct |
43 |
Correct |
10 ms |
896 KB |
Output is correct |
44 |
Correct |
10 ms |
768 KB |
Output is correct |
45 |
Correct |
11 ms |
768 KB |
Output is correct |
46 |
Correct |
10 ms |
896 KB |
Output is correct |
47 |
Correct |
2 ms |
384 KB |
Output is correct |
48 |
Correct |
13 ms |
896 KB |
Output is correct |
49 |
Correct |
3 ms |
512 KB |
Output is correct |
50 |
Correct |
11 ms |
768 KB |
Output is correct |
51 |
Correct |
12 ms |
768 KB |
Output is correct |
52 |
Correct |
2 ms |
384 KB |
Output is correct |
53 |
Correct |
16 ms |
768 KB |
Output is correct |
54 |
Correct |
12 ms |
896 KB |
Output is correct |
55 |
Correct |
12 ms |
896 KB |
Output is correct |
56 |
Correct |
19 ms |
896 KB |
Output is correct |
57 |
Correct |
12 ms |
896 KB |
Output is correct |