4.Take-Input.md

Take Input in C

Video Link: https://youtu.be/17gp5DJEyiw Tutorial Link: https://www.programiz.com/c-programming/c-input-output

Take Input

#include <stdio.h>

int main() {
  
  int age;
  
  scanf("%d", &age);

  printf("Age = %d", age);
  
  return 0;
}

Output

22
Age = 22

Show message to ask for input

#include <stdio.h>

int main() {
  
  int age;
  
  printf("Enter input value: ");
  scanf("%d", &age);

  printf("Age = %d", age);
  
  return 0;
}

Output

Enter input value: 22
Age = 22

---

Take double input

#include <stdio.h>

int main() {
  
  double number;
  char alphabet;
  
  printf("Enter double value: ");
  scanf("%lf", &number);

  printf("Enter character value: ");
  scanf("\n%c", &alphabet);

  printf("Number: %lf", number);
  printf("\nCharacter: %c", alphabet);
  
  return 0;
}

Output

Enter double value: 22.1
Enter character value: z
Number: 22.100000
Character: z

---

Take multiple Input

#include <stdio.h>

int main() {
  
  double number;
  char alphabet;
  
  printf("Enter input values: ");
  scanf("%lf %c", &number, &alphabet);
  
  printf("Number: %lf", number);
  printf("\nCharacter: %c", alphabet);
  
  return 0;
}

Output

Enter input values: 30.6
c
Number: 30.600000
Character: c

---

Programiz Quiz

Q. What is the correct way to take double input?

Options

1. scanf("%d", &input);
2. scanf("%f", &input);
3. scanf("%lf", &input);
4. scanf("%c", &input);

Answer: 3