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 "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
ll X, A[100], P[100];
ll dp[100][100];
ll solve(int bit, int con)
{
if(bit==-1) return 1;
ll &ret=dp[bit][con];
if(ret!=-1) return ret;
ll t=P[con]&((1ll<<(bit+1))-1);
if(t>P[bit]) t=P[bit], con=bit;
ret=0;
if((1ll<<bit)>t)
{
ret+=solve(bit-1, con);
}
else
{
ret+=solve(bit-1, bit-1)+solve(bit-1, con);
}
//printf("%d %d : %lld\n", bit, con, ret);
return ret;
}
ll count_tastiness(ll _X, vector<ll> _A)
{
X=_X;
memset(A, 0, sizeof(A));
for(int i=0; i<_A.size(); i++) A[i]=_A[i];
for(int i=0; i<60; i++) P[i]=(1ll<<i)*A[i];
for(int i=1; i<60; i++) P[i]+=P[i-1];
for(int i=0; i<60; i++) P[i]/=X;
for(int i=0; i<60; i++) P[i]=min(P[i], (1ll<<(i+1))-1);
//for(int i=0; i<60; i++) printf("%d ", P[i]); printf("\n");
memset(dp, -1, sizeof(dp));
return solve(59, 59);
}
Compilation message (stderr)
biscuits.cpp: In function 'll count_tastiness(ll, std::vector<long long int>)':
biscuits.cpp:42:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
42 | for(int i=0; i<_A.size(); i++) A[i]=_A[i];
| ~^~~~~~~~~~
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