# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
921390 | ksujay2 | Packing Biscuits (IOI20_biscuits) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
ll count_tastiness(ll x, vector<ll> a) {
a.resize(20);
function<ll(int, ll)> f = [&] (int i, ll y) {
if(i < 0) return (ll)(y == 0);
y -= a[i] * (1LL << i);
return f(i - 1, max(0ll, y)) + (x > (1LL << (60 - i))) ? (f(i - 1, max(0ll, y + x * (1LL << i))) : 0);
};
return f(19, 0);
}