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How do you make addition and multi using "While Loop" in Turbo C?

How do you make multiplication using “While Loop” in Turbo C? I was able to do this: The output should be like this when I run Turbo C:

12345 1234 123 12 1

Using this CODE:

y=5; while(y>=1) { x=1; while(x<=y) { printf(“%d,”x); x++; } printf(“\n”); y–; }

and a multiplication table: 1 2 3 4 5 2 4 6 8 10 3 6 9 12 15 4 8 12 16 20 5 10 15 20 25

using this CODE:

y=1; while(y<=5) { x=1; while(x<=5) { printf(“%d”,x*y); x++; } printf(“\n”); y++ }

  1. But I couldnt figure this out… and my head is aching already! T__T need help! couldn’t think of anything.

This should be the output. When You run the Turbo C it should show this:

Enter a number: 4 (for example)

The sum is: 10

1234 = 1+2 (equals 3) 3+3 (equals 6) 6+4 (equals 10) or 1+2+3+4=10 1 2 3 4 = 10

Next sem will be my programming subject… And its scary because the prof or instructor wont teach you how to do it… you have to discover it by either asking a friends… let someone teach you… or you figure it on your own… T__T

pls help…

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Answer #1

well I don’t know much Turbo C sry, my programming classes where in Java. Try to give you some help here any ways. if I understand the second questions write you need a while loop to add up the numbers (in your example) 1 thru 4?

Ok so if thats the case im going to write this out in kinda sudo code.

you get the input from the user

x = input

set y = x

while (x > 0) { x-1 y = y+x } print y

so that should give you y = 4 before the first loop,

then on the first loop y= 4+3 = 7. so y = 7, x = 3.

Second loop y = 7+2 = 9, x =2

third loop y = 9 + 1 = 10, x=1

fourth loop y = 10 + 0, x=0

Jumps out of while loop. Prints your answer.

that help??

Answer #2

write a program to convert given amount in to coins?

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