제출 #1070351

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1070351		YassirSalama	Toys (CEOI18_toy)	C++17	59 / 100	748 ms	262144 KiB

toy

#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define int long long
template<typename T> 
void dbg(const T& t){
    cout<<t<<endl;
}
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__);
vector<int> factor(int n){
    set<int> d;
    for(int i=1;i<=n;i++){
        if(n%i==0){
            int a=i;
            int b=n/a;
            if(a==b){
                d.insert(a);
            }else{
                d.insert(a);
                d.insert(b);
            }
        }
    }
    vector<int> dd(d.begin(),d.end());
    return dd;
}
#define all(v) v.begin(),v.end()
signed main(){
    int n;
    cin>>n;
    int x=n;
    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);
    sort(all(p));
    set<vector<int>> decomp;
    decomp.insert({1});
    for(auto pp : p){
        set<vector<int>> c;
        for(auto x:decomp){
            vector<int> a=x;
            for(auto &el : a){
                el*=pp;
                c.insert(a);
                el/=pp;
            }
            a.pb(pp);
            c.insert(a);
        }
        decomp=c;
    }
    set<int> ans;
    for(auto x:decomp){
        int s=0;
        for(auto y:x){
            s+=y-1;
        }
        ans.insert(s);
    }
    cout<<ans.size()<<endl;
    for(auto x:ans){
        cout<<x<<" ";
    }
    cout<<endl;
}

컴파일 시 표준 에러 (stderr) 메시지

toy.cpp: In function 'int main()':
toy.cpp:36:9: warning: unused variable 'x' [-Wunused-variable]
   36 |     int x=n;
      |         ^

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