test2

import 'dart:math';

void main() {
  var arr = [];
  int randomNumber;
  int randomNumberN;
  int snum=0;
  for (int r = 0; r < 10; r++) {
    Random random = Random();
    randomNumber = random.nextInt(100);
    randomNumberN= random.nextInt(100);
//    print (randomNumber - randomNumberN);
    int newrand = randomNumber - randomNumberN;
    
    if (arr.contains(newrand)){
      //print('Dup found.');
      r = r -1 ;
    }
    else{     
    arr.add((randomNumber - randomNumberN));
    //arr.add(1);
    }
  }
  
  print("My array; ");
  print(arr);
  for (int i in arr){
    if (i < 0 ){
      if (snum > i){
        snum = i;
      }      
    }    
  }
  print("Smalles at Position: " + arr.indexOf(snum).toString() + " / Num: " + snum.toString());
 
  
}