NumberOfNotes.cpp

#include <iostream>
using namespace std;

int main()
{
  int amount, deno = 0;
  cout << "Enter the Total Amount: ";
  cin >> amount;
  int count100 = 0, count50 = 0, count20 = 0, count10 = 0;
  
  if(amount >= 100){
    deno = 100;
  }
  else if(amount >= 50){
    deno = 50;
  }
  else if(amount >= 20){
    deno = 20;
  }
  else if(amount >= 10){
    deno = 10;
  }
  
  switch(deno) {
    case 100 : count100 = amount / 100;
    amount %= 100;
    
    case 50 : count50 = amount / 50;
    amount %= 50;
    
    case 20 : count20 = amount / 20;
    amount %= 20;
    
    case 10 : count10 = amount / 10;
    amount %= 10;
    
  }
  cout << "No. of 100 notes: " << count100 << endl;
  cout << "No. of 50 notes: " << count50 << endl;
  cout << "No. of 20 notes: " << count20 << endl;
  cout << "No. of 10 notes: " << count10 << endl;
  
  return 0;
}