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- #include<iostream>
- #include<cmath>
- #include<iomanip>
- #include<algorithm>
- #include<cstdlib>
- #include<cstring>
- #include<vector>
- #define ll long long
- #define sz(x) int(x.size())
- using namespace std;
- void Fast_IO(){
- ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
- #ifndef ONLINE_JUDGE
- freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
- #endif
- }
- bool is_prime(int n){
- if(n<2||(n %2 ==0 && n!=2)) return false;
- for(int i =3; i<= sqrt(n); i+=2){
- if(n%i==0) return false;
- }
- return true;
- }
- int prime_count(vector<int>v, int n){
- int counter =0;
- for(int i =0; i<n; i++){
- if(is_prime(v[i])) counter++;
- }
- return counter;
- }
- bool is_palindrome(int n){
- string s = to_string(n);
- int i =0, j=sz(s)-1;
- while(i<j){
- if(s[i] != s[j]) return false;
- }
- return true;
- }
- int count_palindrome(vector<int>v, int n){
- int counter =0;
- for(int i =0; i<n; i++){
- if(is_palindrome(v[i])) counter++;
- }
- return counter;
- }
- int number_divisors(int n){
- int counter =0;
- for(int i =1; i<sqrt(n); i++){
- if(n%i==0) counter+=2;
- }
- int sq= sqrt(n);
- if(sq*sq==n) counter++;
- return counter;
- }
- int max_divisor(vector<int>v,int n){
- int max_number = -1, max_divisors = -1;
- for(int i =0; i<n; i++){
- int n_divisors = number_divisors(v[i]);
- if(n_divisors>= max_divisors){
- max_divisors= n_divisors;
- max_number= v[i];
- }
- }
- return max_number;
- }
- void solve(){
- int n; cin>>n;
- vector<int>v(n);
- for(int i =0; i<n; i++) cin>>v[i];
- sort(v.begin(),v.end());
- cout<<"The maximum number : "<<v[n-1]<<"\n";
- cout<<"The minimum number : "<<v[0]<<"\n";
- cout<<"The number of prime numbers : "<<prime_count(v,n)<<"\n";
- cout<<"The number of palindrome numbers : "<<count_palindrome(v,n)<<"\n";
- cout<<"The number that has the maximum number of divisors : "<<max_divisor(v,n)<<"\n";
- }
- int main(){
- Fast_IO();
- int t =1;
- // cin>>t;
- while(t--){
- solve();
- }
- return 0;
- }
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