Merge pull request #322 from sajjushaik/patch-1

Swapping numbers

Author: seeditsolution

Swapnumbers

@@ -0,0 +1,21 @@
+#include<stdio.h>  
+
+ int main()    
+
+{    
+
+int a=10, b=20;      
+
+printf("Before swap a=%d b=%d",a,b);      
+
+a=a+b;//a=30 (10+20)    
+
+b=a-b;//b=10 (30-20)    
+
+a=a-b;//a=20 (30-10)    
+
+printf("\nAfter swap a=%d b=%d",a,b);    
+
+return 0;  
+
+}