Submission #1070988

#	Time	Username	Problem	Language	Result	Execution time	Memory
1070988		YassirSalama	Toys (CEOI18_toy)	C++17	0 / 100	1 ms	420 KiB

toy

#include<bits/stdc++.h>
using namespace std;
#define pb push_back
template<typename T> 
ostream& operator << (ostream& out,vector<T> v){
    int i=0;
    out<< " { ";
    for(auto x:v){
        out << x;
        i++;
        if(i==v.size()) break;
        out << " , ";
    }
    out << " } ";
    return out;
}
template<typename T> 
void dbg(const T& t){
    cout<<t<<"\n";
}
template<typename T,typename... Args>
void dbg(const T& t,const Args&... args){
    cout<<t<<" , ";
    dbg(args...);
}
#define dbg(...) cout<<"("<<#__VA_ARGS__<<") : ";dbg(__VA_ARGS__);
#define all(v) v.begin(),v.end()
set<vector<int>> decomp;
set<vector<int>> c;
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n;
    cin>>n;
    if(n==1){
        printf("1\n0");return 0;
    }
    vector<int> p;
    for(int i=2;i*i<=n;i++){
        while(n%i==0) p.pb(i),n/=i;
    }
    if(n!=1) p.pb(n);
    vector<int> t(31,2e9);
    t[0]=p[0];
    decomp.insert(t);
    t.resize(31,2e9);
    int cnt=0;
    int s=0;
    for(int i=1;i<p.size();i++){
        c.clear();
        int pp=p[i];
        for(auto &x:decomp){
            for(int k=0;k<31;k++) t[k]=1e9;
            int sz=0;
            for(int j=0;j<x.size();j++){
                sz++;
                if(x[j]==2e9) break;
                for(int a=0;a<x.size();a++) t[a]=x[a];
                t[j]*=pp;
                while(j+1<n&&t[j]>t[j+1]){
                    swap(t[j],t[j+1]);
                    j++;
                }
                c.insert(t);
            }
            for(int a=0;a<x.size();a++) t[a]=x[a];
            t[sz]=pp;
            sort(all(t));
            c.insert(t);
        }
        decomp=c;
    }
    set<int> ans;
    for(auto &x:decomp){
        int s=0;
        for(auto &y:x){
            if(y==2e9) break;
            s+=y-1;
        }
        ans.insert(s);
    }
    cout<<ans.size()<<"\n";
    for(auto x:ans){
        cout<<x<<" ";
    }
    cout<<"\n";
}

Compilation message (stderr)

toy.cpp: In function 'int main()':
toy.cpp:48:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |     for(int i=1;i<p.size();i++){
      |                 ~^~~~~~~~~
toy.cpp:54:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |             for(int j=0;j<x.size();j++){
      |                         ~^~~~~~~~~
toy.cpp:57:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |                 for(int a=0;a<x.size();a++) t[a]=x[a];
      |                             ~^~~~~~~~~
toy.cpp:65:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |             for(int a=0;a<x.size();a++) t[a]=x[a];
      |                         ~^~~~~~~~~
toy.cpp:46:9: warning: unused variable 'cnt' [-Wunused-variable]
   46 |     int cnt=0;
      |         ^~~
toy.cpp:47:9: warning: unused variable 's' [-Wunused-variable]
   47 |     int s=0;
      |         ^

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