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Use function with pointer parameters



Use function with pointer parameters

void f(int *k) {
  *k = *k + 10; 
}

int main () {
  int j = 0;
    
    printf (" j before call %d \n", j);
  f(&j); 
    printf (" j after call %d \n", j);
}

C code to Check and Read Identity Matrix
C program to read elements in a matrix and check whether matrix is an Identity matrix or not. Identity matrix is a special square matrix whose main diagonal elements is equal to 1

Use the Break Statement in C++ language
It's used in switch case control structure after the case blocks. Generally all cases in switch case are followed by a "Break Statement" to avoid the subsequent cases (see the example

Write structure into file in C Programming
The function adds the relatiuve addres to the index for a key. C function writes a record to the file. Sets the relative address for the next record to be the value of current file position

C Sum of Row & Column of a MxN Matrix
C Program finds the sum of each row & each column of a MxN matrix. The c program code accepts an MxN matrix. Then adds each row of the matrix and also adds each column of...

Count Even and Odd Elements in an Array
C program to read elements in an array from user and count total number of even and odd elements in the given array. How to find total number of even and odd elements in a given

Representation of Graph by Incidence List
This algorithm takes the input of the number of 'vertex and edges'. Then it takes the input of connected vertex pairs. Print the incidence list representation of the graph. And for each

C++ Solving The Dominating Set Problem
Problem takes 'E edges' as input and outputs dominant set of the graph, implementing the following heuristic. Dominant set of a graph's to find, a set of vertices S, such that for every

Count Number of non leaf nodes of a tree
C create a new node with the data from the user. Check for root node and then create it. Search for the appropriate position to insert the new node. Display and count the sum of