Submission #1066029

#	Time	Username	Problem	Language	Result	Execution time	Memory
1066029		Ahmed57	Packing Biscuits (IOI20_biscuits)	C++17	42 / 100	1060 ms	20248 KiB

biscuits

#include "bits/stdc++.h"
using namespace std;
#define int long long
unordered_map<int, int> dp[61];
vector<int> A;
int lim , X;
int solve(int i,int ans){
    if(i==lim){
        return 1;
    }
    if(dp[i].find(ans)!=dp[i].end())return dp[i][ans];
    int nans = ans+A[i];
    int c1 = solve(i+1,nans/2);
    if(nans>=X){
        c1 += solve(i+1,(nans-X)/2);
    }
    return dp[i][ans] = c1;
}
long long count_tastiness(long long x,vector<long long> a){
    A.clear();
    for(int i = 0;i<=60;i++)dp[i].clear();
    for(int i = 0;i<a.size();i++)A.push_back(a[i]);
    int k = A.size();
    int ans = 0;
    for(int i = 0;i<A.size();i++){
        ans/=2;
        ans+=A[i];
    }
    while(ans>=x){
        ans/=2;
        A.push_back(0);
    }
    k = A.size();
    lim = k;
    X = x;
    return solve(0,0);
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:22:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for(int i = 0;i<a.size();i++)A.push_back(a[i]);
      |                   ~^~~~~~~~~
biscuits.cpp:25:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i = 0;i<A.size();i++){
      |                   ~^~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 21 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23