Category: beginner
Given a 32-bit integer (signed or unsigned), convert it to its hexadecimal in lowercase. The result should not have leading zero unless it is equal to zero. Please do …
Recently, the PPAP song becomes hot in internet. Here is the original version and the cover: C++ version of PPAP Really, this C++ code is just for beginner. The …
3D vector operations are quite useful and common in the math world, especially when it involves the geometry. The following is a simple class made in PHP that encapsulates …
The echo always responses the same text as input until you terminates it by Ctrl+C or Ctrl+Z (End of Line). This is more useful than “Hello, World” in the …
The puzzle is from Timus (submit your solution at this URL http://acm.timus.ru/problem.aspx?space=1&num=2033) There are 6 friends, and the input tells you the names of these friends (useless), the phones …