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  1. #include<stdio.h>
  2. int main() 
  3. {
  4.   double first, second, temp;
  5.   printf("Enter first number: ");
  6.   scanf("%lf", &first);
  7.   printf("Enter second number: ");
  8.   scanf("%lf", &second);
  9.  
  10.  
  11.   temp = first;
  12.  
  13.  
  14.   first = second;
  15.  
  16.  
  17.   second = temp;
  18.  
  19.  
  20.   printf("\nAfter swapping, first number = %.2lf\n", first);
  21.   printf("After swapping, second number = %.2lf", second);
  22.   return 0;
  23. }
Success #stdin #stdout 0s 5312KB
comments (?)
stdin
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45
53
stdout
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Enter first number: Enter second number: 
After swapping, first number = 53.00
After swapping, second number = 45.00
https://ideone.com/ng6QRD
swapping numbers with using third varible
language:
C (gcc 8.3)
created:
237 days ago
visibility:
public

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