YOONGI

Birthday Paradox Sometimes some mathematical results are hard to believe. One of the common problems is the birthday paradox. Suppose you are in a party where there are23people including you. Wh...

Just another Robbery As Harry Potter series is over, Harry has no job. Since he wants to make quick money, (he wants everything quick!) so he decided to rob banks. He wants to make a calculated ri...

Race to 1 Again Rimi learned a new thing about integers, which is - any positive integer greater than1can be divided by its divisors. So, he is now playing with this property. He selects a numbe...

Discovering Gold You are in a cave, a long cave! The cave can be represented by a1 x Ngrid. Each cell of the cave can contain any amount of gold. Initially you are in position1. Now each turn ...

A Dangerous Maze You are in a maze; seeingndoors in front of you in beginning. You can choose any door you like. The probability for choosing a door is equal for all doors. If you choose theit...