Modify the rain program in L isting 10.7 so that it does the calculations using pointers instead of subscripts. (You still have to declare and initialize the array.)
10.7
/* rain.c — finds yearly totals, yearly average, and monthlyaverage for several years of rainfall data */#include <stdio.h>#define MONTHS 12 // number of months in a year#define YEARS 5 // number of years of dataint main(void){ // initializing rainfall data for 2000 – 2004 const float rain[YEARS][MONTHS] = { { 4.3, 4.3, 4.3, 3.0, 2.0, 1.2, 0.2, 0.2, 0.4, 2.4, 3.5, 6.6 }, { 8.5, 8.2, 1.2, 1.6, 2.4, 0.0, 5.2, 0.9, 0.3, 0.9, 1.4, 7.3 }, { 9.1, 8.5, 6.7, 4.3, 2.1, 0.8, 0.2, 0.2, 1.1, 2.3, 6.1, 8.4 }, { 7.2, 9.9, 8.4, 3.3, 1.2, 0.8, 0.4, 0.0, 0.6, 1.7, 4.3, 6.2 }, { 7.6, 5.6, 3.8, 2.8, 3.8, 0.2, 0.0, 0.0, 0.0, 1.3, 2.6, 5.2 } }; int year, month; float subtot, total;
printf(” YEAR RAINFALL (inches)n”); for (year = 0, total = 0; year < YEARS; year++) { // for each year, sum rainfall for each month for (month = 0, subtot = 0; month < MONTHS; month++) //subtot += rain[year][month]; subtot += *(*(rain + year) + month); printf(“%5d %15.1fn”, 2000 + year, subtot); total += subtot; // total for all years } printf(“nThe yearly average is %.1f inches.nn”, total / YEARS); printf(“MONTHLY AVERAGES:nn”); printf(” Jan Feb Mar Apr May Jun Jul Aug Sep Oct “); printf(” Nov Decn”);
for (month = 0; month < MONTHS; month++) { // for each month, sum rainfall over years for (year = 0, subtot = 0; year < YEARS; year++) //subtot += rain[year][month]; subtot += *(*(rain + year) + month); printf(“%4.1f “, subtot / YEARS); } printf(“n”);
return 0;}
Our website has a team of professional writers who can help you write any of your homework. They will write your papers from scratch. We also have a team of editors just to make sure all papers are of HIGH QUALITY & PLAGIARISM FREE. To make an Order you only need to click Ask A Question and we will direct you to our Order Page at WriteDemy. Then fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Fill in all the assignment paper details that are required in the order form with the standard information being the page count, deadline, academic level and type of paper. It is advisable to have this information at hand so that you can quickly fill in the necessary information needed in the form for the essay writer to be immediately assigned to your writing project. Make payment for the custom essay order to enable us to assign a suitable writer to your order. Payments are made through Paypal on a secured billing page. Finally, sit back and relax.
About Writedemy
We are a professional paper writing website. If you have searched a question and bumped into our website just know you are in the right place to get help in your coursework. We offer HIGH QUALITY & PLAGIARISM FREE Papers.
How It Works
To make an Order you only need to click on “Place Order” and we will direct you to our Order Page. Fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Are there Discounts?
All new clients are eligible for 20% off in their first Order. Our payment method is safe and secure.