The problem is from codeforces: http://www.codeforces.com/problemset/problem/124/A Simply a math problem, however, using brute-force will pass the tests since the tests are weak (all numbers are smaller than 100) s …
The problem is from codeforces: http://www.codeforces.com/problemset/problem/173/A This is the first problem that I submited in codeforces. It is a math problem that computes how many games for two players …
The problem is from codeforces: http://www.codeforces.com/problemset/problem/69/A The tests were not strong because I failed at the 81-th test on the first submission using a wrong algorithm (actually I mis-understood …
In linux, the which command is to search for executables in the given $PATH variables. In windows, the which command can be easily created simply a few lines of …
The problem is from codeforces: http://www.codeforces.com/problemset/problem/96/A The problem is another easy one. It asks you to check if there are more than 7 players that belong to the same …
In most cases, if you are learning a new language, you will have to figure out in what cases, variables are copied by references and in what other cases, …