Happy Codings - Programming Code Examples

C Programming Code Examples

C > Strings Code Examples

count number of alphabets, digits and special characters in string using pointers

count number of alphabets, digits and special characters in string using pointers

Write a C program to count total number of alphabets, digits or special characters in a string using loop. How to find total number of alphabets, digits and special characters in a string in C programming.

#include <stdio.h>
#define maxsize 100 // Maximum string size

int main()
{
    char str[maxsize];
    char * s = str;
    int alphabets, digits, others;

    alphabets = digits = others = 0;

    /* Input string from user */
    printf("Enter any string : ");
    gets(str);

    while(*s)
    {
        if((*s >= 'a' && *s <= 'z') || (*s >= 'A' && *s <= 'Z'))
            alphabets++;
        else if(*s>='0' && *s<='9')
            digits++;
        else
            others++;

        s++;
    }

    printf("Alphabets = %d\n", alphabets);
    printf("Digits = %d\n", digits);
    printf("Special characters = %d", others);

    return 0;
}

Represent Graphs Using Incidence Matrix - This algorithm takes the input of the number of vertex. For each pair of vertex ask whether they're connected or not. Print the incidence matrix. Function to print the incidence matrix

C++ Object Oriented Programming (OOP) - (OOP) is a "Programming Paradigm" that is based on the concept of objects. An object is a "Data Structure" that contains data (fields) and functions. And Objects are instances of

C Code perform functions of a Calculator - C Programing code to perform functions of a calculator: factorial, addition, subtraction, multiplication, division, squares. Sum of the input numbers. The difference between the

C Program Print Top Down Right Triangle - Printing to top down right triangle. A triangle with one of its angle 90 degrees is called right triangle. We shall now see how to 'print stars' *, in right triangle shape, but upside down on

Program Finds Prime Factors of a Number - Factors of a number that are prime numbers are called as "Prime Factors" of that number. For example: 2 and 5 are the prime factors of 10. Logic to check prime factors of a number.

Convert Binary to Hexadecimal in the C++ - To convert binary to hexadecimal in C++, you have to ask to the user to "enter any number" in binary to convert it into hexadecimal, then display the equivalent hexadecimal value on

Find Sum of Node values at Row or Level - C Program to Find the Summation of Node values at Row or Level. Create a new node with the data from the user. Check for root node and then create it. Searching for the...

Code Converts Binary Number to Decimal - Program code input binary number from user & convert binary number to decimal number system. The Binary Number system is a base 2 number system and uses only 2 symbols to