smartBalance.dart

void main() {
  
  
  
  
  List smartBalance(double amount){
      
    var smartBalanceList = [];
    // Exact Amount
    smartBalanceList.add(amount);
    
    int ringgitAmount = amount.truncate();
    double fraction = amount - ringgitAmount;

    // Nearest 50 cent 
     if( fraction > 0 && fraction <= 0.5 ){

       if(amount < 1 ){
             smartBalanceList.add(0.50);
       } else {
             smartBalanceList.add(ringgitAmount+0.50);
       }
     } 
    
    //next Ringgit Amount
    smartBalanceList.add(ringgitAmount+1);
    
    
    //next 5 Ringgit Amount
    if(amount < 5 ){
       smartBalanceList.add(5);
    }else if(amount > 10 ){
      
       int rinngitRemaining = ringgitAmount%10;
      
       if(rinngitRemaining < 5 ){
         smartBalanceList.add((ringgitAmount/10).truncate() *10 +5);
       }
       
    }
    
    // next 10 Ringgit Amount
    if(amount > 5 && amount <=10 ){
       smartBalanceList.add(10);
    }else if(amount > 10 ){
      
         smartBalanceList.add((ringgitAmount/10).truncate() *10 +10);
    }
    
    // next 50 Ringgit Amount
    if(amount <= 50 ){
         smartBalanceList.add(50);
     } else if(amount > 50 ){
         smartBalanceList.add((ringgitAmount/50).truncate() *50 + 50);
    }
    
    if(smartBalanceList.length < 6){
      // next 100 Ringgit Amount
      if(amount <= 100 ){
           smartBalanceList.add(100);
       } else if(amount > 100 ){
           smartBalanceList.add((ringgitAmount/100).truncate() *100 + 100);
      }
    }
    
    return smartBalanceList;
    
  } 
  
  print(smartBalance(0.20));
  print(smartBalance(0.60));
  print(smartBalance(1.20));
  print(smartBalance(1.60));
  print(smartBalance(11.20));
  print(smartBalance(11.60));
  print(smartBalance(61.20));
  print(smartBalance(61.60));
  print(smartBalance(161.20));

}