Part a. Make a diagram of memory for point one when n == 2. int expo(int x, int n) { int r, t; if (n == r = 1; else if (n == 1) r = x; else { 0) t = expo (x, n / 2); r = t * t; if (n % 2 == 1) r *= t; } //----- ---point one return r; } int main(void) { int i; i = expo(4, 5); return 0; } Part b. Using divide-and-conquer recursion to solve a problem similar to Prob- lem 3 is somewhat tricky but a good test of programming skill. Write a function definition that provides a divide-and-conquer implementation of the following interface: double max_adj_sum(const double *a, int lo, int hi); // REQUIRES: hi - lo >= 2. Elements a[lo] ... a[hi -1] exist. // PROMISES: Return value is the largest sum that can be made by adding // two elements among a[lo] ... a[hi-1] with adjacent indezes. Hint: It makes sense to have two base cases, not just one.

Part a. Make a diagram of memory for point one when n == 2. int expo(int x, int n) { int r, t; if (n == r = 1; else if (n == 1) r = x; else { 0) t = expo (x, n / 2); r = t * t; if (n % 2 == 1) r = t; } //----- ---point one return r; } int main(void) { int i; i = expo(4, 5); return 0; } Part b. Using divide-and-conquer recursion to solve a problem similar to Prob- lem 3 is somewhat tricky but a good test of programming skill. Write a function definition that provides a divide-and-conquer implementation of the following interface: double max_adj_sum(const double a, int lo, int hi); // REQUIRES: hi - lo >= 2. Elements a[lo] ... a[hi -1] exist. // PROMISES: Return value is the largest sum that can be made by adding // two elements among a[lo] ... a[hi-1] with adjacent indezes. Hint: It makes sense to have two base cases, not just one.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Computer Science A system call in an operating system is typically a function call that traps to the kernel. However, there are also library calls that are functions that do not directly trap into the kernel, but may invoke system calls that do. In MINIX, there is a corresponding library call read that always invokes the system call. In UNIX, there are also several other library calls---getc, fgetc, getchar, for example---that also input data. Describe the difference between the MINIX read library call and these functions. How do you think these functions (getc, fgetc, getchar) perform data input? Do they always need to ultimately trap to the kernel? Why or why not?
A recursive function is a function defined in terms of itself via self-referential expressions. This means that the function will continue to call itself and repeat its behavior until some condition is met to return a result. a- Write a python recursive function prod that takes x as an argument, and returns the result where, result=1*1/2*1/3*….*1/n b- Include a screenshot that shows a python program that uses the above function and prints the rounded result to three decimal places after prompting the user to enter a number, x. Use x=3. N.B: The code should be included in your answer.
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Example: The Problem Input File Using C programming language write a program that simulates a variant of the Tiny Machine Architecture. In this implementation memory (RAM) is split into Instruction Memory (IM) and Data Memory (DM). Your code must implement the basic instruction set architecture (ISA) of the Tiny Machine Architecture: //IN 5 //OUT 7 //STORE O //IN 5 //OUT 7 //STORE 1 //LOAD O //SUB 1 55 67 30 55 67 1 LOAD 2- ADD 3> STORE 4> SUB 5> IN 6> OUT 7> END 8> JMP 9> SKIPZ 31 10 41 30 //STORE O 67 //OUT 7 11 /LOAD 1 //OUT 7 //END 67 70 Output Specifications Each piece of the architecture must be accurately represented in your code (Instruction Register, Program Counter, Memory Address Registers, Instruction Memory, Data Memory, Memory Data Registers, and Accumulator). Data Memory will be represented by an integer array. Your Program Counter will begin pointing to the first instruction of the program. Your simulator should provide output according to the input file. Along with…
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main.cpp:4:17: error: 'string' has not been declared 4 | void KMPSearch(string pat, string txt) main.cpp:4:29: error: string' has not been declared 4 | void KMPSearch(string pat, string txt) Aununun main.cpp:31:25: error: string' has not been declared 31 | void computelPSArray(string pat, int M, int[] lps) main.cpp:31:50: error: expected or . before lps' 31 | void computeLlPSArray(string pat, int M, int[] lps) main.cpp:55:8: error: expected :' before 'static' 55 | public static void Main() main.cpp:61:2: error: expected ;' after class definition 61 | } | main.cpp: In member function 'void GFG::KMPSearch(int, int)': main.cpp:6:15: error: request for member Length' in 'pat', which is of non-class type 'int' 6 | int M = pat.Length; main.cpp:7:15: error: request for member Length' in txt’, which is of non-class type 'int' int N = txt.Length; main.cpp:8:6: warning: structured bindings only available with -std3c++17' or (-std=gnu++17' 8 | int[] lps new int[M];
Give an example of a while loop, then provide the equivalent do-while loop and for loop. Then give a different example of a do-while loop, along with the equivalent while loop and for loop. Finally, give an example of a for loop, along with the equivalent while loop and do-while loop. Use your examples to illustrate the advantages and disadvantages of each looping structure, and describe those advantages and disadvantages.
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language: Python Problem: Write a recursive function power(x, n), where n is 0 or a postive integer. For example, power(2, 10) will return 1024. Write a suitable base case, and for the general case use the idea that xn = x * x n-1.