#include <vector>
#include <map>
#include <algorithm>
#include <cstdio>
using namespace std;
using ll=long long;
using pll=pair<ll, ll>;
map<ll, ll> memo[100];
vector<ll> a;
ll k;
ll x;
ll F(int i, ll carry)
{
if (i >= k) {
return carry / x;
}
{
auto ir = memo[i].lower_bound(carry);
auto il = ir;
if (il != memo[i].end() && il->first == carry) return il->second;
if (il != memo[i].begin() && ir != memo[i].end()) {
--il;
if (il->second == ir->second) return il->second;
}
}
ll &ret = memo[i][carry];
ret = !!((a[i] + carry) / x);
ret += F(i+1, (a[i] + carry) / 2);
if (a[i] + carry >= x)
ret += F(i+1, (a[i] + carry - x) / 2);
{
auto ir = memo[i].upper_bound(carry);
if (ir != memo[i].end() && ir->second == ret) {
auto ir2 = ir;
if (ir2 != memo[i].end()) {
++ir2;
if (ir2->second == ret)
memo[i].erase(ir);
}
}
auto il = memo[i].lower_bound(carry);
if (il != memo[i].begin() && (--il)->second == ret) {
auto il2 = il;
if (il2 != memo[i].begin()) {
--il2;
if (il2->second == ret)
memo[i].erase(il);
}
}
}
return ret;
}
ll count_tastiness(ll x, vector<ll> a)
{
::k = a.size();
for(int i=0; i<64; ++i) memo[i].clear();
::a = a;
::x = x;
return F(0, 0) + 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 |
0 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 |
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 |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 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 |
0 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 |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 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 |
0 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 |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
8 ms |
384 KB |
Output is correct |
13 |
Correct |
7 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
189 ms |
896 KB |
Output is correct |
3 |
Correct |
166 ms |
896 KB |
Output is correct |
4 |
Correct |
161 ms |
896 KB |
Output is correct |
5 |
Correct |
143 ms |
896 KB |
Output is correct |
6 |
Correct |
225 ms |
1016 KB |
Output is correct |
7 |
Correct |
237 ms |
904 KB |
Output is correct |
8 |
Correct |
207 ms |
896 KB |
Output is correct |
9 |
Correct |
197 ms |
1016 KB |
Output is correct |
10 |
Correct |
117 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 |
0 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 |
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 |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
1 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 |
0 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 |
0 ms |
256 KB |
Output is correct |
23 |
Correct |
1 ms |
256 KB |
Output is correct |
24 |
Correct |
1 ms |
256 KB |
Output is correct |
25 |
Correct |
0 ms |
256 KB |
Output is correct |
26 |
Correct |
0 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 |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
256 KB |
Output is correct |
31 |
Correct |
2 ms |
256 KB |
Output is correct |
32 |
Correct |
0 ms |
256 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
4 ms |
384 KB |
Output is correct |
35 |
Correct |
8 ms |
384 KB |
Output is correct |
36 |
Correct |
7 ms |
384 KB |
Output is correct |
37 |
Correct |
1 ms |
384 KB |
Output is correct |
38 |
Correct |
189 ms |
896 KB |
Output is correct |
39 |
Correct |
166 ms |
896 KB |
Output is correct |
40 |
Correct |
161 ms |
896 KB |
Output is correct |
41 |
Correct |
143 ms |
896 KB |
Output is correct |
42 |
Correct |
225 ms |
1016 KB |
Output is correct |
43 |
Correct |
237 ms |
904 KB |
Output is correct |
44 |
Correct |
207 ms |
896 KB |
Output is correct |
45 |
Correct |
197 ms |
1016 KB |
Output is correct |
46 |
Correct |
117 ms |
896 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |
48 |
Correct |
32 ms |
1016 KB |
Output is correct |
49 |
Correct |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
25 ms |
768 KB |
Output is correct |
51 |
Correct |
16 ms |
896 KB |
Output is correct |
52 |
Correct |
2 ms |
384 KB |
Output is correct |
53 |
Correct |
14 ms |
768 KB |
Output is correct |
54 |
Correct |
807 ms |
1016 KB |
Output is correct |
55 |
Correct |
886 ms |
1072 KB |
Output is correct |
56 |
Correct |
815 ms |
1016 KB |
Output is correct |
57 |
Correct |
625 ms |
1016 KB |
Output is correct |