text: Cases to find minimum number of digits to be removed
code: if ( sum == 0 ) { Console . Write ( 0 + " ▁ " ) ; } if ( sum == 1 ) { if ( ( one != 0 ) && ( N > 1 ) ) Console . Write ( 1 + " ▁ " ) ; else if ( two > 1 && N > 2 ) Console . Write ( 2 + " ▁ " ) ; else Console . Write ( - 1 + " ▁ " ) ; } if ( sum == 2 ) { if ( two != 0 && N > 1 ) Console . Write ( 1 + " ▁ " ) ; else if ( one > 1 && N > 2 ) Console . Write ( 2 + " ▁ " ) ; else Console . Write ( - 1 + " ▁ " ) ; }