Submission #766356

#	Time	Username	Problem	Language	Result	Execution time	Memory
766356		ivopav	Bali Sculptures (APIO15_sculpture)	C++17	0 / 100	1 ms	212 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;

long long int dp(long long int ind,long long int kol,long long int zbr,const vector<long long int>& lis,vector<vector<long long int>>& mem,long long int sad,long long int a,long long int b){
   // cout << sad << " " << ind << " " << kol << " " << zbr << "\n";
    if (zbr>=numeric_limits<long long int>::max()/20ll){
        return zbr;
    }
    if (ind==lis.size()){
        if (kol<a){
            return numeric_limits<long long int>::max()/20ll;
        }
        if ((zbr|sad)>sad){
            return numeric_limits<long long int>::max()/20ll;
        }
        return zbr;
    }
    if (mem[ind][kol]!=-1ll){
        return mem[ind][kol]+zbr;
    }
    long long int najm=dp(ind+1ll,kol,zbr+lis[ind],lis,mem,sad,a,b);
    if (kol!=b && (zbr|sad)<=sad && zbr!=0ll){
        long long int pom=dp(ind+1ll,kol+1ll,lis[ind],lis,mem,sad,a,b);
        if (pom<najm){
            najm=pom;
        }
    }   
    mem[ind][kol]=najm-zbr;
    return najm;
}  

int main(){
    long long int n;
    long long int a;
    long long int b;
    cin >> n >> a >> b; 
    vector<long long int> lis={};
    for (long long int i=0ll;i<n;i++){
        long long int unos;
        cin >> unos;
        lis.push_back(unos);
    }
    long long int sad=numeric_limits<long long int>::max();
    long long int sadznam=1ll;
    for (long long int i=0ll;i<62ll;i++){
        sadznam*=2ll;
    }
    while (sadznam>0){
        vector <vector<long long int>> mem=vector<vector<long long int>>(n+5ll,vector<long long int>(b+5ll,-1));
        if (dp(0ll,1ll,0ll,lis,mem,sad-sadznam,a,b)<numeric_limits<long long int>::max()/20ll){
            sad-=sadznam;
        }
        sadznam/=2ll;
    }
    cout << sad << "\n";
}

Compilation message (stderr)

sculpture.cpp: In function 'long long int dp(long long int, long long int, long long int, const std::vector<long long int>&, std::vector<std::vector<long long int> >&, long long int, long long int, long long int)':
sculpture.cpp:9:12: 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]
    9 |     if (ind==lis.size()){
      |         ~~~^~~~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 21
• Subtask 4: 0 / 25
• Subtask 5: 0 / 29