Problem:
Score : 100 points

Problem Statement

An uppercase or lowercase English letter \alpha will be given as input.
If \alpha is uppercase, print A; if it is lowercase, print a.

Constraints

\alpha is an uppercase (A - Z) or lowercase (a - z) English letter.

Input

Input is given from Standard Input in the following format:

α

Output

If \alpha is uppercase, print A; if it is lowercase, print a.

Sample Input 1

B

Sample Output 1

A

B is uppercase, so we should print A.

Sample Input 2

a

Sample Output 2

a

a is lowercase, so we should print a.

Solution in C++ (GCC 9.2.1) (judge verdict: Wrong Answer)

#include<iostream>
#include<queue>
#include<vector>
using namespace std;
int main(){
   priority_queue<int> p;
  long  int n,k;
  int nums[100];
  long int sum=0;
  cin>>n>>k;
  for(int i=0;i<n;i++){
    cin>>nums[i];
  
  }
        for(int i=0;i<n;i++){
            if(p.size()<(unsigned)k){
                p.push(nums[i]);
            }
            else{
                if(p.top()>nums[i]){
                    p.pop();
                    p.push(nums[i]);
                }
                
            }
        }
        while(!p.empty()){
          sum+=p.top();
          p.pop();
        }
        
    
   
cout<<sum;
}