static int minimum_cost ( int a [ ] , int n ) {
  int mn = Integer . MAX_VALUE ;
  int sum = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    mn = Math . min ( a [ i ] , mn ) ;
    sum += a [ i ] ;
  }
  return mn * ( sum - mn ) ;
}

static int minimum_cost ( int a [ ] , int n ) { int mn = Integer . MAX_VALUE ; int sum = 0 ; for ( int i = 0 ; i < n ; i ++ ) { mn = Math . min ( a [ i ] , mn ) ; sum += a [ i ] ; } return mn * ( sum - mn ) ; }
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