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Found 1452 Articles for C
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ProblemFind the greatest common divisor (GCD) for the given two numbers by using the recursive function in C programming language.SolutionThe solution to find the greatest common divisor (GCD) for the given two numbers by using the recursive function is as follows −AlgorithmRefer an algorithm given below to find the greatest common divisor (GCD) for the given two numbers by using the recursive function.Step 1 − Define the recursive function.Step 2 − Read the two integers a and b.Step 3 − Call recursive function.a. if i>j b. then return the function with parameters i, j c. if i==0 d. then return ... Read More
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ProblemThe program to calculate the sum of the following expressionSum=1-n^2/2!+n^4/4!-n^6/6!+n^8/8!-n^10/10!User has to enter the value of n at runtime to calculate the sum of the series by using the predefined function power present in math.h library function.SolutionIt is explained below how to calculate sum of series using predefined function.AlgorithmRefer an algorithm given below to calculate sum of series by using the predefined function.Step 1 − Read the num valueStep 2 − Initialize fact = 1, sum = 1 and n =5Step 3 − for i= 1 to n a. compute fact= fact*i b. if i %2 = 0 c. ... Read More
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ProblemWrite a C program to display all the prime numbers between 1 and n is a value given by the user at run time.SolutionC program to display all the prime numbers between 1 and n is a value given by the user at run time is explained below −AlgorithmGiven below is an algorithm to display all the prime numbers between 1 and n is a value given by the user at run time.Step 1 − Read n value.Step 2 − Initialize count = 0Step 3 − for i = 2 to n a. for j = 1 to i b. ... Read More
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A function is a self-contained block that carries out a specific well-defined task.Types of functionsFunctions are broadly classified into two types which are as follows −Predefined functionsUser defined functionsCommunications among functionsFunctions communicate among themselves by using arguments and return value.Farm of ‘C’ function for return-datatype function name (argument list) is as follows −{ local variable declarations; executable statements(s); return (expression); }For Example, void mul (int x, int y).{ int p; p=x*y; printf(“product = %d”, p); }Prototype functionsThese functions can be done in two ways as explained below −Create a copy of the function declaration ... Read More
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A file is a physical storage location on disk and a directory is a logical path which is used to organise the files. A file exists within a directory.The three operations that we can perform on file are as follows −Open a file.Process file (read, write, modify).Save and close file.ExampleConsider an example given below −Open a file in write mode.Enter statements in the file.The input file is as follows −Hi welcome to my world This is C programming tutorial From tutorials PointThe output is as follows −Number of characters = 72Total words = 13Total lines = 3ProgramFollowing is the C ... Read More
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Here, we will print hollow rectangle star(*) pattern by using for loop in C programming language.Consider an example given below −InputEnter number of rows: 5OutputThe output is as follows −***** * * * * * * *****AlgorithmAn algorithm is given below to explain how to print hollow rectangle star(*) pattern by using for loop.Step 1 − Input number of rows to print at runtime.Step 2 − Use outer for loop for rows from 1 to N.for(i=1; i
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A file is a physical storage location on disk and a directory is a logical path which is used to organise the files. A file exists within a directory.The three operations that we can perform on file are as follows −Open a file.Process file (read, write, modify).Save and close file.AlgorithmAn algorithm is given below to explain the C program to remove a line from the file.Step 1 − Read file path and line number to remove at runtime.Step 2 − Open file in read mode and store in source file.Step 3 − Create and open a temporary file in write ... Read More
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A file is a physical storage location on disk and a directory is a logical path which is used to organise the files. A file exists within a directory.The three operations that we can perform on file are as follows −Open a file.Process file (read, write, modify).Save and close file.ProgramFollowing is the C program to store even, odd and prime numbers into separate files − Live Demo#include #include /* Function declarations */ int even(const int num); int prime(const int num); int main(){ FILE * fptrinput, * fptreven, * fptrodd, * fptrprime; int num, success; ... Read More
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The rename function changes a file or directory from oldname to newname. This operation is just like a move operation. Hence, we can also use this rename function to move a file.This function is present in stdio.h library header files.The syntax of rename function is as follows −int rename(const char * oldname, const char * newname);Function of rename()It accepts two parameters. One is oldname and another is newname.These two parameters are pointer to constant character, which define old and new name of file.If file renamed is successful, then it returns zero otherwise, it returns a non-zero integer.During the rename operation ... Read More
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ProblemWrite a program to print heart shaped pattern with the name in centre using for loop.SolutionThe user has to enter the name that should be printed in centre along with the number of rows the stars has to be print.AlgorithmRefer an algorithm given below to print the name in heart pattern by using for loop.Step 1 − Declare variables.Step 2 − Read a name at runtime that should be printed on centre.Step 3 − Read number of rows.Step 4 − Find the length of name.Step 5 − Print upper part of the heart.Step 6 − Print lower part of the ... Read More
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