Submission #590323

#TimeUsernameProblemLanguageResultExecution timeMemory
590323ogibogi2004Packing Biscuits (IOI20_biscuits)C++14
0 / 100
1191 ms2097152 KiB
#include "biscuits.h" #include<bits/stdc++.h> using namespace std; #define ll long long unordered_map<ll,ll>dp; ll s[64]; ll xx; ll calc(ll n) { if(dp.count(n))return dp[n]; int t=0,pw2=1; while(pw2<n){pw2*=2;t++;} pw2/=2;t--; return dp[n]=calc(pw2)+calc(min(n,1+s[t]/xx)-pw2); } long long count_tastiness(long long x, vector<long long> a) { dp.clear(); s[0]=a[0];xx=x; for(int i=1;i<a.size();i++) { s[i]=s[i-1]+a[i]; } for(int i=0;i<=a.size();i++) { calc((1ll<<i)); } return dp[(1ll<<a.size())]; }

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i=1;i<a.size();i++)
      |                 ~^~~~~~~~~
biscuits.cpp:23:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for(int i=0;i<=a.size();i++)
      |                 ~^~~~~~~~~~
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