Pham Trung questions

Pham Trung answers

• Why my recursion doesnt work? (Java)
• SPOJ SUMFOUR.....TLE on test case 9
• Bipartite Matching of Array
• Solving the seventh with O(n)
• Find the smallest number that is divisible by all the number between 1 to N, Remainder = 0
• What is the best way to enumerate all the numbers between 1 to n having kth bit set?
• Shortest path in 2d arrays
• Tree searching algorithm: how to determine quickly if A has a sure-to-win strategy
• How can I format a String number without round off?
• How to find all words on the Boggle board using Dynamic Programming?