Decimal to binary in C Decimal to binary in C programming: C program to convert an integer from decimal number system (base-10) to binary number system (base-2). Size of an integer is assumed to be 32 bits. We will use the bitwise operator “AND” to perform the desired task. We right shift the original…
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C program to find nCr and nPr C program to find nCr and nPr, remember, nCr = n!/(r!*(n-r)!) and nPr = n!/(n-r)!. C program to find nPr and nCr using a function #include <stdio.h> long factorial(int); long find_ncr(int, int); long find_npr(int, int); int main() { int n, r; long ncr, npr; printf(“Enter the value…
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Sum of n numbers in C Sum of n numbers in C: This program adds n numbers which will be entered by a user. The user will enter a number indicating how many numbers to add and then the user will enter n numbers. We can do this by using or without using an…
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C program to swap two numbers C program to swap two numbers with and without using third variable, using pointers, functions (Call by reference) and using bit-wise XOR operator. Swapping means interchanging. If the program has two variables a and b where a = 4 and b = 5, after swapping them, a =…
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C program to reverse a number C program to reverse a number and to print it on the screen. For example, if the input is 123, the output will be 321. In the program, we use the modulus operator (%) to obtain digits of the number. To invert the number write its digits from…
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Palindrome number in C A palindrome number is one that remains the same on reversal. Some examples are 8, 121, 212, 12321, -454. To check if a number is a palindrome or not, we reverse it and compare it with the original number, if both are the same, it’s a palindrome otherwise not. C…
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Pattern programs in C Pattern programs in C language, showing how to create various patterns of numbers and stars. The programs require nested loops (a loop inside another loop). A design of numerals, stars, or characters is a way of arranging these in some logical manner, or they may form a sequence. Some of…
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C program to print diamond pattern The diamond pattern in C language: This code prints a diamond pattern of stars. The diamond shape is as follows: * *** ***** *** * C programming code #include <stdio.h> int main() { int n, c, k, space = 1; printf(“Enter number of rows\n“); scanf(“%d”, &n); space =…
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Prime number program in C Prime number program in C language to check whether a number is prime or composite, to print prime numbers. A number is prime if it’s divisible only by one and itself. Two is the only even and the smallest prime number. First few prime numbers are 2, 3, 5,…
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Armstrong number in C Armstrong number C program: C programming code to check whether a number is an Armstrong number or not. An Armstrong number is a number that is equal to the sum of digits raise to the power total number of digits in the number. Some Armstrong numbers are: 0, 1, 2,…
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