static int sum_calc(int arr[], int len) { int sum = 0, index = 0; while (index <= len) { sum = sum + arr[index]; index++; } return sum; } static double mean_calc(int arr[], int len) { int sum = sum_calc(arr, len); return (double) sum / (double) len; }

static int sum_calc(int arr[], int len) { int sum = 0, index = 0; while (index <= len) { sum = sum + arr[index]; index++; } return sum; } static double mean_calc(int arr[], int len) { int sum = sum_calc(arr, len); return (double) sum / (double) len; }

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter12: Points, Classes, Virtual Functions And Abstract Classes

Section: Chapter Questions

Problem 3PE

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Concept explainers

Randomized Select Algorithm

A randomized algorithm is defined as one that uses a certain amount of randomization in its logic or operation. It is said to be an algorithm that depends on the random number to perform its operation. It is used for reducing the overall time complexity, space complexity in the standard algorithm. The randomized algorithm uses the concept of random numbers to find the solutions to the different kinds of problems and also to improve the problem solutions.

Question

static int sum_calc(int arr[], int len)
{
int sum = 0, index = 0;
while (index <= len)
{
sum = sum + arr[index];
index++;
}
return sum;
}
static double mean_calc(int arr[], int len)
{
int sum = sum_calc(arr, len);
return (double) sum / (double) len;
}

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