Create an 6 x12 int M[6][12] whose elements represent rainfall for each month over 6 years. • Write a function Populate(int *M_ptr[], int row, int col) that populates the rainfall for each month using a pseudo random number generator (PRNG). The C++ programming language provides a random function that provides such capability.
Create an 6 x12 int M[6][12] whose elements represent rainfall for each month over 6 years. • Write a function Populate(int *M_ptr[], int row, int col) that populates the rainfall for each month using a pseudo random number generator (PRNG). The C++ programming language provides a random function that provides such capability.
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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C++
![Create an 6 x12 int M[6][12] whose elements represent rainfall for
each month over 6 years.
Write a function Populate(int *M_ptr[], int row, int col) that populates
the rainfall for each month using a pseudo random number generator
(PRNG). The C++ programming language provides a random function that
provides such capability.
•
#include <cstdlib>
srand(seed) - primes the random generator
seed - unsigned int (Prime number - pick 37)
unsigned in RV = rand() - returns a new random number(0-4Gig)
RV = RV % 75 - normalizes the numbers to be less than 50
•
Write a function YearAvrg(int *M_ptr[], int row, int col);that calculates
the average rain per year over 12 months and prints the value
• Write a function MonthAvrg(int *M_ptr[], int row, int col) that prints
the average rain per month over 5 years.
Find the total rainfall for year #3.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F609191b6-0aff-477d-8910-61edd76acc39%2Febfd344c-c97c-410e-a7bb-274ea0929965%2F8zn2svh_processed.png&w=3840&q=75)
Transcribed Image Text:Create an 6 x12 int M[6][12] whose elements represent rainfall for
each month over 6 years.
Write a function Populate(int *M_ptr[], int row, int col) that populates
the rainfall for each month using a pseudo random number generator
(PRNG). The C++ programming language provides a random function that
provides such capability.
•
#include <cstdlib>
srand(seed) - primes the random generator
seed - unsigned int (Prime number - pick 37)
unsigned in RV = rand() - returns a new random number(0-4Gig)
RV = RV % 75 - normalizes the numbers to be less than 50
•
Write a function YearAvrg(int *M_ptr[], int row, int col);that calculates
the average rain per year over 12 months and prints the value
• Write a function MonthAvrg(int *M_ptr[], int row, int col) that prints
the average rain per month over 5 years.
Find the total rainfall for year #3.
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