mihirchakradeo

1. Reading std C lib header contents from command line:

   echo "#include<string.h>" | cpp | grep "strstr" Displays strstr() function definition

2. Finding multiple char in a string, handle case where last char is unique

To find a number which occurs odd number of times from a list, make use of the XOR ‘^’ operator. The result will be the number which occurs for odd number of times.