Category: beginner

Computing PI can be dated back long long time ago, where without the help of computer, mathematicans can only compute several digts i.e. 15 in months. Later, in 20 …

The problem is from codeforces http://www.codeforces.com/problemset/problem/82/A This is interesting because it seems like those guys thing: acting strange. This problem can be transformed into the following: 12345 1122334455 11112222333344445555 …

Well, I think PHP is great, but apparently somebody thinks that it is replacble in most cases if it is not with MySQL Many online judges support PHP submissions. …

The problem is from codeforces http://www.codeforces.com/problemset/problem/158/B Solution is easy: First you need to sort the group numbers in desending order. You create two index pointers, pointing to the start …

The problem is from codeforces http://www.codeforces.com/problemset/problem/12/A This is probably the easiest problem I’ve ever seen in codeforces…. no tricks, no math or algorithms. It is very straightforward. The python solution …