Tag: online judges
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 …
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 …
The problem is from codeforces: http://www.codeforces.com/problemset/problem/137/B It took me several attempts to get it right for this problem although it is not difficult. The problem is find out how …
The problem is from codeforces: http://www.codeforces.com/problemset/problem/158/A It is summer. The temperature today in Sheffield is 25 degree. I got to say, I feel a bit sleepy in the afternoon. …