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C Programming Code Examples

C > File Operations Code Examples

C FILE I/O for Binary files

Add Two Matrix Using Multi-Dimensional - In this program, user is asked to entered the number of rows r & columns c. The value of r & c should be less than 100 in this program. Then, the program adds these two matrices,

Inputs Few Numbers Performs Merge Sort - Input few numbers & perform 'Merge Sort' on them using recursion. C program to performs merge sort. Merge sort is a sorting algorithm with complexity of O(nlogn) and It is used for

Program to Find Largest Element of Array - To find the "Largest Element", the first two elements of array are checked and largest of these two element is placed in arr[0]. Then, the first and third elements are checked and

Input Password & Validation of Username - Code accept character without echo (without displaying on Screen) getch will accept character and store it in "ch". ASCII value of "Enter Key" is 13. Stop accepting password

C Evaluate the Given Polynomial Equation - C program to evaluate a given polynomial by reading its coefficients in an array. Formula is P(x)=AnXn + An-1Xn-1 + An-2Xn-2+... +A1X + A0. The 'polynomial' can be written as: P(x) =

Code print the address of array elements - For loop to print value and address of each element of array. Just to demonstrate that the array elements are stored in contiguous locations, I am displaying the addresses in...

C++ Codes Heap's Algorithm Permutation - The time complexity of this algorithm: 'O(n!)'. This algorithm 'takes the input' of "N" distinct numbers. It fixes an element at the end of the array and permutes the "remaining numbers"

Get Total Number of Notes in an Amount - C program to input amount from user & print minimum number of notes (Rs. 500, 100, 50, 20, 10, 5, 2, 1) required for the amount. Input amount from user. Store it in a variable 'amt'.