Wrapper function
function wrapper ( mat , n , m ) { let dp = new Array ( 10 ) ; for ( let i = 0 ; i < 10 ; i ++ ) { dp [ i ] = new Array ( 10 ) ; for ( let j = 0 ; j < 10 ; j ++ ) { dp [ i ] [ j ] = - 1 ; } } return LIP ( dp , mat , n , m , 0 , 0 ) ; }