text: Construct rest of the tc array
code: for ( i = 1 ; i <= m ; i ++ ) for ( j = 1 ; j <= n ; j ++ ) tc [ i ] [ j ] = min ( tc [ i - 1 ] [ j - 1 ] , tc [ i - 1 ] [ j ] , tc [ i ] [ j - 1 ] ) + cost [ i ] [ j ] ; return tc [ m ] [ n ] ; }