If a unique combination is found
if ( sum == K ) { Console . Write ( " { " ) ; for ( int i = 0 ; i < local . Count ; i ++ ) { if ( i != 0 ) Console . Write ( " ▁ " ) ; Console . Write ( local [ i ] ) ; if ( i != local . Count - 1 ) Console . Write ( " , ▁ " ) ; } Console . WriteLine ( " } " ) ; return ; }