제출 #766747

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
766747		ivopav	Bali Sculptures (APIO15_sculpture)	C++17	9 / 100	1088 ms	336 KiB

sculpture

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

bool dp(long long int ind,long long int kol,const vector<long long int>& lis,vector<vector<int>>& mem,long long int sad,long long int a,long long int b){
   // cout << sad << " " << ind << " " << kol << " " << zbr << "\n";
    if (ind==lis.size()){
        if (kol<a){
            return false;
        }
        return true;;
    }
    if (mem[ind][kol]==-1){
        return true;
    }
    if (kol==b){
        return false;
    }
    //long long int najm=dp(ind+1ll,kol,zbr+lis[ind],lis,mem,sad,a,b);
    long long int zbr=0ll;
    bool najm=false;
    for (long long int i=ind;i<lis.size();i++){
        zbr+=lis[i];
        if ((zbr|sad)==sad){
            najm=najm||dp(i+1ll,kol+1ll,lis,mem,sad,a,b);
        }
    }
    mem[ind][kol]=najm;
    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<int>> mem=vector<vector<int>>(n+5ll,vector<int>(b+5ll,0));
        if (dp(0ll,0ll,lis,mem,sad-sadznam,a,b)){
            sad-=sadznam;
        }
        sadznam/=2ll;
    }
    cout << sad << "\n";
}

컴파일 시 표준 에러 (stderr) 메시지

sculpture.cpp: In function 'bool dp(long long int, long long int, const std::vector<long long int>&, std::vector<std::vector<int> >&, long long int, long long int, long long int)':
sculpture.cpp:6:12: 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]
    6 |     if (ind==lis.size()){
      |         ~~~^~~~~~~~~~~~
sculpture.cpp:21:31: 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]
   21 |     for (long long int i=ind;i<lis.size();i++){
      |                              ~^~~~~~~~~~~

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