static int minimumX ( int n , int k ) {
  int mini = Integer . MAX_VALUE ;
  for ( int i = 1 ;
  i * i <= n ;
  i ++ ) {
    if ( n % i == 0 ) {
      int fir = i ;
      int sec = n / i ;
      int num1 = fir * k + sec ;
      int res = ( num1 / k ) * ( num1 % k ) ;
      if ( res == n ) mini = Math . min ( num1 , mini ) ;
      int num2 = sec * k + fir ;
      res = ( num2 / k ) * ( num2 % k ) ;
      if ( res == n ) mini = Math . min ( num2 , mini ) ;
    }
  }
  return mini ;
}

static int minimumX ( int n , int k ) { int mini = Integer . MAX_VALUE ; for ( int i = 1 ; i * i <= n ; i ++ ) { if ( n % i == 0 ) { int fir = i ; int sec = n / i ; int num1 = fir * k + sec ; int res = ( num1 / k ) * ( num1 % k ) ; if ( res == n ) mini = Math . min ( num1 , mini ) ; int num2 = sec * k + fir ; res = ( num2 / k ) * ( num2 % k ) ; if ( res == n ) mini = Math . min ( num2 , mini ) ; } } return mini ; }
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