C language basic to Advance
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Expressions and operators in c detailed

Topics covered:
00: 00 introduction to c operaters

02: 00 All c language operators in detail practically explained

02: 03 Airthmetic operators in c

03: 33 Relational operators in c

05: 07 Logical operators in c

06: 50 Assignment operators or shortcuts in c

09: 00 increment decrement operators in c

09: 41 sizeof and ternary operator in c

10: 59 comma operator in c

11: 44 bitwise operator, address of, pointer dereference, member access operators

12: 23 expressions in c language

https://youtu.be/qerhr7-a9TM?si=4v1uf0S6Nxep_pHA
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#include <stdio.h>

int main() {
int num1, num2, sum;

printf("Enter first number: ");
scanf("%d", &num1);

printf("Enter second number: ");
scanf("%d", &num2);

sum = num1 + num2;

printf("Sum of %d and %d is %d\n", num1, num2, sum);

return 0;
}



/* * * * * * * * * * * * * * * * * * * *
How to take user input:
https://youtu.be/VbaKf9FwnDk

Video have a task
* * * * * * * * * * * * * * * * * * * */
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// 1 to 100 numbers

#include <stdio.h>

int main() {
   
    for (int i = 1; i <= 10; i++) {
        for (int j = 0; j < 10; j++)
            if(i < 10)
                 printf("%d%d ", j, i);
             else
                 printf("%d ", (j + 1) * 10);
        printf("\n");
    }
   
    return 0;
}
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// 1. For loop to print numbers from 1 to 10:

#include <stdio.h>

int main() {
   int i;
  
   for(i=1; i<=10; i++) {
      printf("%d ", i);
   }
  
   return 0;
}
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// 2. While loop to print even numbers from 2 to 20:

#include <stdio.h>

int main() {
   int i = 2;
  
   while(i <= 20) {
      printf("%d ", i);
      i += 2;
   }
  
   return 0;
}
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// 4. Nested for loop to print a multiplication table:

#include <stdio.h>

int main() {
   int i, j;
  
   for(i=1; i<=10; i++) {
      for(j=1; j<=10; j++) {
         printf("%d x %d = %d\n", i, j, i*j);
      }
      printf("\n");
   }
  
   return 0;
}
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// 5. Break statement in a while loop to exit the loop when a certain condition is met:

#include <stdio.h>

int main() {
   int i = 1, num;
  
printf("Enter number less than 1000 : ");
scanf("%d", &num);

   while(i <= 1000) {
      printf("%d ", i);
      if(i == num) {
         break;
      }
      i++;
   }
  
   return 0;
}
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C language basic to Advance pinned «Notes 📝 : Telegram.me/BCA_Sem1_Notes Telegram.me/BCA_Sem2_Notes Telegram.me/BCA_Sem3_Notes Telegram.me/BCA_Sem4_Notes Telegram.me/BCA_Sem5_Notes Telegram.me/BCA_Sem6_Notes Code practice Channels: Telegram.me/C_Codes_pro Telegram.me/CPP_Codes_pro Telegram…»
// Check Number
#include <stdio.h>

int main() {
    int num;
   
    printf("Enter Number: ");
    scanf("%d", &num);
   
    if(num>0){
    printf("This Number is positive");
    }
    else if(num<0){
    printf("This Number is negetive");
    }
    else if(num == 0){
    printf("This Number is zero");
    }
   
    return 0;
}
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//To check leap year
#include<stdio.h>
int main() {
    int year;
    printf("Enter a year that you want to check:");
    scanf("%d",&year);
    if((year%4==0 &&year%100!=0) ||( year%400==0))
        printf("%d is a leap year",year);
    else
        printf("%d is not a leap year",year);
    return 0;
}
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// Recursion in C involves a function calling itself directly or indirectly. Here's an example of a recursive function in C:

#include <stdio.h>

void countdown(int n) {
    if (n > 0) {
        printf("%d ", n);      // Print the current number
        countdown(n - 1);     // Call the function itself with a smaller number
    }
}

int main() {
    int num = 5;
    countdown(num);
    return 0;
}