//WRITE a program to check if string is pangram?
// input-"the quick brown fox jumps over the lazy dog"
//output- is a pangram
//explanation- contains all the character from "a to z"
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
bool checkpangram(char str[])

//hexadecimal to decimal by using switch case
#include<math.h>
#include<stdio.h>
#include<string.h>
int main() {
char hexdecnumber[32] = "2D";
int decimalnumber, i;
int cnt;

// using for loop
#include <stdio.h>

int main()
{
int n = 5, rows, columns;
for (rows = 1; rows<= n; rows++) {
for (columns = n ; columns>rows; columns--) {

// using while loop to make a hollow diamond pattern
#include <stdio.h>
int main()
{
int n = 5, rows = 1, columns;
while (rows <= n ) {
columns = n;
while(columns > rows) {