changes

Author: Emosans

snippets/c/mathematical-functions/swap-numbers.md

@@ -8,12 +8,12 @@ tags: swap,numbers
 ```c
 #include<stdio.h>
 void swap(int* num1,int* num2){
-    *num1= *num1 + *num2;
-    *num2= *num1 - *num2;
-    *num1= *num1 - *num2;
+    *num1 = *num1 + *num2;
+    *num2 = *num1 - *num2;
+    *num1 = *num1 - *num2;
 }
 
 // Usage:
-int a=3,b=4;
-auto swapped=swap(&a,&b); // simply use printf after this to print swapped values
+int a = 3,b = 4;
+swap(&a,&b); // simply use printf after this to print swapped values
 ```