In this program, we are trying to check whether the two given numbers by the user through console, are friendly pair or not?ExampleIf sum of all divisors of number1 is equal to number1 and sum of all divisors of number2 is equal to number2, then we can say, those two numbers are abundant numbers.The logic that we used to find friendly pairs is as follows −For the sum of all divisors of number 1.for(i=1;i

Squeeze(s1, s2) or squeeze(char[], char[]) is a user defined function which is used to delete the common characters or equal characters in two strings.ProblemHow to delete the common characters in two strings using squeeze function in C programming language?SolutionIn this program, the user enters two strings in the console and write a code to display first string excluding the common characters present in second string.ExampleThe C program which demonstrates the functioning of squeeze function is as follows − Live Demo#include void squeeze(char string1[], char string2[]);//prototype declaration int main(){    char string1[50];    char string2[30];    printf("enter the string1:");    scanf("%s", string1);// ... Read More

Else − if the ladder is the most general way of writing a multi-way decision.The syntax for else if the ladder is as follows −if (condition1)    stmt1; else if (condition2)    stmt2;    - - - - -    - - - - -    else if (condition n)       stmtn;    else       stmt x;FlowchartRefer the flowchart given below −ExampleFollowing is the C program to execute Else If Ladder conditional statement − Live Demo#include void main (){    int a, b, c, d;    printf("Enter the values of a, b, c, d: ");    scanf("%d%d%d%d", ... Read More

The different data types that we use in C programming are integer, short int, Signed and un signed char etc.Data TypesData type specifies the set of values and the type of data that can be stored in a variable. They allow the programmer to select the type appropriate to the needs of application.The data types are as follows −Primary data typesDerived data typesLet us understand primary data types.Primary data types‘C’ compilers support four fundamental data types. They are mentioned below −integercharacterFloating – pointDouble precision floating pointIntegral data typeIntegral data types are used to store whole numbers and characters. It is ... Read More

ProblemWhat is the simple program to show the left, right shifts, and complement of a number by using C language?SolutionLeft ShiftIf the value of a variable is left-shifted one time, then its value gets doubled.For example, a = 10, then a1 = 5ExampleFollowing is the C program for the shift operations − Live Demo#include main (){    int a=9;    printf("Rightshift of a = %d",a>>1);//4//    printf("Leftshift of a = %d",a2);//2//    printf("Leftshift by 2 of a = %d",a

Fibonacci Series is a sequence of numbers obtained by adding the two previous numbers.Fibonacci series starts from two numbers f0 & f1.The initial values of fo & f1 can be taken 0, 1 or 1, 1 Fibonacci series satisfies the following conditions −fn = fn-1 + fn-2AlgorithmRefer to the algorithm for the Fibonacci series.START Step 1: Read integer variable a, b, c at run time Step 2: Initialize a=0 and b=0 Step 3: Compute c=a+b Step 4: Print c Step 5: Set a=b, b=c Step 6: Repeat 3 to 5 for n times STOPExampleFollowing is the C program for the ... Read More

ProblemHow to write a C program to count numbers of vowels and consonants in a given string?SolutionThe logic that we will write to implement the code to find vowels and consonants is −if(str[i] == 'A' || str[i] == 'E' || str[i] == 'I' || str[i] == 'O' || str[i] == 'U'||str[i] == 'a' || str[i] == 'e' || str[i] == 'i' || str[i] == 'o' || str[i] == 'u' )If this condition is satisfied, we try to increment the vowels. Or else, we increment the consonants.ExampleFollowing is the C program to count the number of vowels and consonants in a ... Read More

The structure is a collection of different datatype variables, grouped together under a single name. It is a heterogeneous collection of data items that share a common name.Features of structureIt is possible to copy the contents of all structural elements of different data types to another structure variable of its type by using an assignment operator.To handle complex datatypes, it is possible to create a structure within another structure, which is called nested structures.It is possible to pass an entire structure, individual elements of structure, and address of structure to a function.It is possible to create structure pointers.The general form ... Read More

The malloc() function stands for memory allocation, that allocate a block of memory dynamically.It reserves the memory space for a specified size and returns the null pointer, which points to the memory location.malloc() function carries garbage value. The pointer returned is of type void.The syntax for malloc() function is as follows −ptr = (castType*) malloc(size);ExampleThe following example shows the usage of malloc() function. Live Demo#include #include #include int main(){    char *MemoryAlloc;    /* memory allocated dynamically */    MemoryAlloc = malloc( 15 * sizeof(char) );    if(MemoryAlloc== NULL ){       printf("Couldn't able to allocate requested memory");    }else{ ... Read More

Leap year is a year that consists of 366 days. For every four years, we will experience a leap year.The logic we will implement to find whether the given year by the user through the console is a leap or not −if (( year%400 == 0)|| (( year%4 == 0 ) &&( year%100 != 0)))If this condition is satisfied, then the given year is a leap year. Otherwise, it is not.ExampleFollowing is the C program to check leap year with the help of If condition − Live Demo#include int main(){    int year;    printf("Enter any year you wish ... Read More