Submission #523594

#	Time	Username	Problem	Language	Result	Execution time	Memory
523594		Deepesson	Toys (CEOI18_toy)	C++17	59 / 100	5097 ms	125824 KiB

toy

#include <bits/stdc++.h>
std::vector<int> divisores;
std::map<int,bool> respostas;
typedef std::array<int,30> arr;
std::map<arr,bool> foi;
void processa(arr tem){
    if(foi[tem])return;
    foi[tem]=true;
    {
        int s=0;
        for(auto&x:tem)if(x)s+=x-1;
        respostas[s]=true;
    }
    for(int i=0;i!=tem.size();++i){
        if(i&&tem[i]==(tem[i-1]))continue;
        if(!tem[i])break;
        for(int j = i+1;j<tem.size();++j){
            if(j!=(i+1)&&tem[j]==tem[j-1])continue;
            if(!tem[j])break;
            arr prox={};
            int add=(tem[i]*tem[j]);
            int cur=0;
            for(int k=0;k!=tem.size();++k){
                if(k==i||k==j)continue;
                if(!tem[k])continue;
                if(tem[k]>=add&&(add!=-1)){
                    prox[cur]=add;
                    ++cur;
                    add=-1;
                }
                prox[cur]=(tem[k]);
                ++cur;
            }
            if(add!=-1){
                prox[cur]=add;
                 ++cur;
            }
            processa(prox);
        }
    }
}
void achar_divisores(long long x){
    for(int i=2;i!=1000000;++i){
        if(!(x%i)){
            while(!(x%i)){
                divisores.push_back(i);
                x/=i;
            }
        }
    }
    if(x>1)divisores.push_back(x);
}
int main()
{
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);
    std::cout.tie(0);
    long long N;
    std::cin>>N;
    achar_divisores(N);
    arr x = {};
    for(int i=0;i!=divisores.size();++i)x[i]=divisores[i];
    processa(x);
    std::cout<<respostas.size()<<"\n";
    for(auto&x:respostas)std::cout<<x.first<<" ";
    std::cout<<"\n";
}

Compilation message (stderr)

toy.cpp: In function 'void processa(arr)':
toy.cpp:17:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::array<int, 30>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |         for(int j = i+1;j<tem.size();++j){
      |                         ~^~~~~~~~~~~
toy.cpp: In function 'int main()':
toy.cpp:62:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |     for(int i=0;i!=divisores.size();++i)x[i]=divisores[i];
      |                 ~^~~~~~~~~~~~~~~~~~

• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 21