#include <bits/stdc++.h>
using namespace std;
//#pragma GCC optimize ("O3")
//#pragma GCC target ("sse4")
#define endl "\n"
typedef long long ll;
template<class T, class T2> inline ostream &operator <<(ostream &out, const pair<T, T2> &x) { out << x.first << " " << x.second; return out;}
template<class T, class T2> inline istream &operator >>(istream &in, pair<T, T2> &x) { in >> x.first >> x.second; return in;}
template<class T, class T2> inline bool chkmax(T &x, const T2 &y) { return x < y ? x = y, 1 : 0; }
template<class T, class T2> inline bool chkmin(T &x, const T2 &y) { return x > y ? x = y, 1 : 0; }
const ll mod = 1e9 + 7;
#define out(x) "{" << (#x) << ": " << x << "} "
long long count_tastiness(long long x, std::vector<long long> a) {
const ll MAX_BIT = 63;
vector<ll> b(MAX_BIT), dp(MAX_BIT);
a.resize(MAX_BIT);
b[0] = a[0];
for(ll i = 1; i < MAX_BIT; i ++) {
b[i] = b[i - 1] / 2ll + a[i];
}
dp[0] = 1;
for(ll i = 0; i < MAX_BIT - 1; i ++) {
ll need = max(x - a[i], 0ll) * 2ll;
for(ll j = i - 1; j >= 0 && need <= b[j]; j --) {
if(b[j] >= need + x) {
dp[i + 1] += dp[j];
need = max(0ll, need + x - a[j]) * 2ll;
} else {
need = max(0ll, need - a[j]) * 2ll;
}
}
if(!need) {
dp[i + 1] ++;
}
dp[i + 1] += dp[i];
}
return dp[MAX_BIT - 1];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
1 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 |
0 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 |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 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 |
1 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 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 |
1 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 |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 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 |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
13 ms |
896 KB |
Output is correct |
3 |
Correct |
12 ms |
896 KB |
Output is correct |
4 |
Correct |
12 ms |
896 KB |
Output is correct |
5 |
Correct |
12 ms |
896 KB |
Output is correct |
6 |
Correct |
11 ms |
896 KB |
Output is correct |
7 |
Correct |
11 ms |
896 KB |
Output is correct |
8 |
Correct |
11 ms |
896 KB |
Output is correct |
9 |
Correct |
11 ms |
896 KB |
Output is correct |
10 |
Correct |
12 ms |
896 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
1 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 |
0 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 |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 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 |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
0 ms |
256 KB |
Output is correct |
18 |
Correct |
0 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 |
1 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 |
0 ms |
256 KB |
Output is correct |
26 |
Correct |
1 ms |
256 KB |
Output is correct |
27 |
Correct |
0 ms |
256 KB |
Output is correct |
28 |
Correct |
0 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 |
3 ms |
384 KB |
Output is correct |
38 |
Correct |
13 ms |
896 KB |
Output is correct |
39 |
Correct |
12 ms |
896 KB |
Output is correct |
40 |
Correct |
12 ms |
896 KB |
Output is correct |
41 |
Correct |
12 ms |
896 KB |
Output is correct |
42 |
Correct |
11 ms |
896 KB |
Output is correct |
43 |
Correct |
11 ms |
896 KB |
Output is correct |
44 |
Correct |
11 ms |
896 KB |
Output is correct |
45 |
Correct |
11 ms |
896 KB |
Output is correct |
46 |
Correct |
12 ms |
896 KB |
Output is correct |
47 |
Correct |
3 ms |
384 KB |
Output is correct |
48 |
Correct |
17 ms |
896 KB |
Output is correct |
49 |
Correct |
5 ms |
384 KB |
Output is correct |
50 |
Correct |
15 ms |
768 KB |
Output is correct |
51 |
Correct |
13 ms |
896 KB |
Output is correct |
52 |
Correct |
2 ms |
384 KB |
Output is correct |
53 |
Correct |
11 ms |
768 KB |
Output is correct |
54 |
Correct |
13 ms |
896 KB |
Output is correct |
55 |
Correct |
14 ms |
896 KB |
Output is correct |
56 |
Correct |
13 ms |
896 KB |
Output is correct |
57 |
Correct |
13 ms |
896 KB |
Output is correct |