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C Beginner Examples: Swap Two Numbers Using Pointers

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Monday, February 9, 2015. Swap Two Numbers Using Pointers. Here is the code for swapping two numbers using a function which is based on pointers. The basic concept used is pass by reference. Void swap(int *x, int *y). Tmp = *y;. Printf("Enter two numbers: ");. Scanf("%d%d", &a, &b);. Printf(" nBefore swapping: a = %d and b = %d n", a, b);. Swap(&a, &b);. Printf("After swapping: a = %d and b = %d n", a, b);. Enter two numbers: 10 20. Before swapping: a = 10 and b = 20. After swapping: a = 20 and b = 10.

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C++ Beginner Examples: A Note on Compatibility

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Tuesday, February 10, 2015. A Note on Compatibility. Like languages we use in our daily life, programming languages also have many dialects. Which dialect to follow depends on the compiler you use. In case of C , we have an international standard for it, devised by ISO. This is known as ISO C. What should Turbo C users do. Don't use using namespace std;. You will have to press Alt F5 after program execution in order to see the output. Or you can include conio.h and then write getch();. Cout "Hello, World!

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C Beginner Examples: March 2015

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Saturday, March 7, 2015. Calculating the HCF and LCM of two numbers. Here is the program to calculate the Highest Common Factor (HCF - also known as Greatest Common Divisor). And Lowest Common Multiple (LCM). Of two numbers. The code is extremely simple. Unsigned int a, b, i, hcf;. Printf("Enter two positive integers 0: ");. Scanf("%d%d", &a, &b);. For(i=1; i =(a b? Printf(" nThe HCF of %d and %d is %d n", a, b, hcf);. Printf("The LCM of %d and %d is %d n", a, b, ( a*b)/hcf) ;. Chooses the smallest of a.

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C Beginner Examples: Number/Currency to Words Conversion

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Friday, March 6, 2015. Number/Currency to Words Conversion. This program helps us to convert a number ( 1000) into words. That is, you give 912 and it says 'nine hundred and twelve! 25 February, 2015 */. Updated on 21 October, 2015 */. Char ones[][10] = {"one", "two", "three", "four", "five", "six", "seven", "eight", "nine"};. Char tenAbove[][10] = {"eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"};. Printf("Enter the amount ( 10,000): ");. Amt %= 1000;.

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Tech Tips!: Time Machine of the Web!

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Wednesday, February 11, 2015. Time Machine of the Web! Many characters in science fiction have got the opportunity to travel through time. It is the imaginary tool called time machine. Which helped them to do it. But do you know you can also have this magic journey in real life? The website archive.org. Has a tool named Wayback Machine. Which helps you to browse through the previous states of a particular website. For example, if you want to know how Google looked in past, just type.

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C Beginner Examples: Calculating the HCF and LCM of two numbers

http://cstartercodes.blogspot.com/2015/03/calculating-hcf-and-lcm-of-two-numbers.html

Saturday, March 7, 2015. Calculating the HCF and LCM of two numbers. Here is the program to calculate the Highest Common Factor (HCF - also known as Greatest Common Divisor). And Lowest Common Multiple (LCM). Of two numbers. The code is extremely simple. Unsigned int a, b, i, hcf;. Printf("Enter two positive integers 0: ");. Scanf("%d%d", &a, &b);. For(i=1; i =(a b? Printf(" nThe HCF of %d and %d is %d n", a, b, hcf);. Printf("The LCM of %d and %d is %d n", a, b, ( a*b)/hcf) ;. Chooses the smallest of a.

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C Beginner Examples: Solution of Quadratic Equation

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Thursday, February 12, 2015. Solution of Quadratic Equation. Here is the code for calculating the root(s) of a quadratic equation. Note: compile with -lm option to link with the math library (for sqrt(). Eg: gcc quadratic.c -lm. Printf("Enter the values for a, b, and c: ");. Scanf("%d%d%d", &a, &b, &c);. Disc = (b*b)-(4*a*c); /* discriminant */. If(disc 0) /* Two real roots */. Printf("The solutions are %f and %f n", (-b sqrt(disc) /(2*a), (-b-sqrt(disc) /(2*a) ;. Else if(disc 0) /* Two imaginary roots */.

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C++ Beginner Examples: February 2015

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Sunday, February 22, 2015. Swapping Via Pass-by-Reference and Pass-by-Pointer. There is a function swap. In this code, which we use to swap two numbers. If we define the function as swap(x, y). And call it as swap(a, b). The swapping done in the function will not reflect inside the main function. Why? Because it is pass-by-value. So that the function can handle the original ones. There are two methods in C to accomplish this: 1) pass-by-reference. And call it as swap(a, b). Is known as implicit. Cout "En...

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C Beginner Examples: February 2015

http://cstartercodes.blogspot.com/2015_02_01_archive.html

Thursday, February 12, 2015. Solution of Quadratic Equation. Here is the code for calculating the root(s) of a quadratic equation. Note: compile with -lm option to link with the math library (for sqrt(). Eg: gcc quadratic.c -lm. Printf("Enter the values for a, b, and c: ");. Scanf("%d%d%d", &a, &b, &c);. Disc = (b*b)-(4*a*c); /* discriminant */. If(disc 0) /* Two real roots */. Printf("The solutions are %f and %f n", (-b sqrt(disc) /(2*a), (-b-sqrt(disc) /(2*a) ;. Else if(disc 0) /* Two imaginary roots */.

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Tech Tips!: Google Eggs!

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Wednesday, February 11, 2015. Computer also has some Easter eggs! They pop out unexpectedly. Let us hunt some Google Easter Eggs that can be used to amaze ourselves and our friends. In Google and the search page revolves! Will make the search results tilt. Wonder how Google looked in 1998? And the search result comes in an old-fashioned page! To make you computer screen a playground, try. Use the force, luke. In YouTube and the amazement is for you! Subscribe to: Post Comments (Atom).