Questions On STL, Sorting, String(basic) and few Beginner level problems Codechef BOSSLOSS - Boss and his Brother Codechef SMPAIR - The Smallest Pair Spoj FACEFRND - Friends of Friends Spoj CADYDIST - Candy Distribution Hackerrank - Nikhil and the INTEGERS Codeforces - Mahmoud and Ehab and the even-odd game Spoj HOMO - Homo or Hetero Codeforces - Chores Codeforces - Months and Years Codeforces - Laptops Codeforces - Godsend Codeforces - Puzzles Codeforces - On Those Palindromes Resources For STL C++ STL Blog on Comparator function