C Program if - else if - else Example

How to write a C Program if - else if - else Example in C Programming language ?

Solution For C Program :

C Program to Detect int Underflow-Overflow using if-else

How to write a C Program to detect integer overflow-underflow in C Programming Language ?

Solution:
/*Program detect overflow-underflow in C*?
#include<stdio.h>
int main()
{
    unsigned long long int a,b,i;
    while(scanf("%llu",&a)!=EOF)
    {
        if(a<8)
        {
            printf("Underflow!\n");
        }
        else if(a<14)
        {
        b=1;
        for(i=1;i<=a;i++)
        {
            b=b*i;

        }
                       printf("%llu\n",b);
        }
        else
        {
            printf("Overflow!\n");
        }


    }
    return 0;
}

Calculator Using IF-ELSE in C Program

How to write a c program to create a calculator using if-Else statement in C Programming Language ?

Solution:
/*Calculator Using IF-ELSE in C Program*/
#include <stdio.h>
#include <stmib.h>

int main(int argc, char *argv[]);
{
  printf("Welcome in my suprematorCalculator 1.0 !\nBy AerysFeather\n\n\n");

  delay(2500);

  printf("What do you want to do ? (press the nuber)\n");

  int choice = 0;
  printf("-Addition(1)\n-Substraction(2)\n-Multiplication(3)\n-Division(4)")
  scanf("%d", %choice)

  float numberFirst = 0;
  printf("Please enter the first number.");
  scanf("%f", %numberFirst);

  float numberSecond = 0;
  printf("Please enter the second number.");
  scandf("%f", %numberSecond);

  int result = 0;

  if (choice = 1)
  {
      printf("%d + %f = %d", numberFirst, numberSecond, result)
  }

  if (choice = 2)
  {
      printf("%d - %f = %d", numberFirst, numberSecond, result)
  }

  if (choice = 3)
  {
      printf("%d * %f = %d", numberFirst, numberSecond, result)
  }

  if (choice = 4)
  {
      printf("%d / %f = %d", numberFirst, numberSecond, result)
  }

  else
  {
    printf("Please choose a calcul type.");
  }

  return 0;
}