YouTube: C Programming Tutorials step-by-step

C Programming Tutorial 2: Introduction to Variables

• printf, Escape character \n
• printf("The sum is %d", sum);
• scanf("%d", &num1);  
• scanf always use & for variable; printf does NOT.
• sum = num1 + num2;

C Programming Tutorial 3: Arithmetic Operations

• Basic concept of function such as void main (void)
• block concept: open brace and closing brace come in pair
  {       
        printf("Hello World");
  }    
• Comments
• Arithmetic operations: value = 6 + 4 * 10

C Programming Tutorial 4: If Statement Decision

If (num1 == num2)
{
    printf(“they are equal”);
}

C Programming Tutorial 5: If, Else If, Else Statements

If (age==60)
{
     printf(“easy cougar!”);
}
else if (age==40)
{
     printf(“mom?”);
}

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