Q# 3: Write the pre and post-conditions for the following design specification: A procedure search has three parameters: arr, lookfor, and found. Parameter arr is an integer array with a range of 1 .. 200. Parameter lookfor is an integer parameter. If lookfor occur in arr then found is set to one otherwise, it is set to zero.

Q# 3: Write the pre and post-conditions for the following design specification: A procedure search has three parameters: arr, lookfor, and found. Parameter arr is an integer array with a range of 1 .. 200. Parameter lookfor is an integer parameter. If lookfor occur in arr then found is set to one otherwise, it is set to zero.

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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1- Write a user-defined function that accepts an array of integers. The function should generate the percentage each value in the array is of the total of all array values. Store the % value in another array. That array should also be declared as a formal parameter of the function. 2- In the main function, create a prompt that asks the user for inputs to the array. Ask the user to enter up to 20 values, and type -1 when done. (-1 is the sentinel value). It marks the end of the array. A user can put in any number of variables up to 20 (20 is the size of the array, it could be partially filled). 3- Display a table like the following example, showing each data value and what percentage each value is of the total of all array values. Do this by invoking the function in part 1.
/* (name header) #include // Function declaration int main() { int al[] int a2[] = { 7, 2, 10, 9 }; int a3[] = { 2, 10, 7, 2 }; int a4[] = { 2, 10 }; int a5[] = { 10, 2 }; int a6[] = { 2, 3 }; int a7[] = { 2, 2 }; int a8[] = { 2 }; int a9[] % { 5, 1, б, 1, 9, 9 }; int al0[] = { 7, 6, 8, 5 }; int all[] = { 7, 7, 6, 8, 5, 5, 6 }; int al2[] = { 10, 0 }; { 10, 3, 5, 6 }; %3D std::cout « ((difference (al, 4) « ((difference(a2, 4) <« ((difference (a3, 4) « ((difference(a4, 2) <« ((difference (a5, 2) <« ((difference (a6, 2) <« ((difference (a7, 2) <« ((difference(a8, 1) « ((difference (a9, 6) « ((difference(a10, 4) " <« ((difference(al1, 7) « ((difference (al2, 2) == 10) ? "OK\n" : "X\n"); << "al: << "a2: %3D 7)? "OK" : "X") << std::endl == 8) ? "OK\n" : "X\n") 8) ? "OK\n" : "X\n") == 8) ? "OK\n" : "X\n") == 8) ? "OK\n" : "X\n") == 1) ? "OK\n" : "X\n") == 0) ? "OK\n" : "X\n") 0) ? "OK\n" : "X\n") == 8) ? "OK\n" : "X\n") == 3) ? "OK\n" : "X\n") == 3) ? "OK\n" : "X\n") == << "a3: == << "a4: <<…
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