1- iroro: 385
* 119th in Codeforces Round #128 (Div. 2): +59 (from 1607 to 1666)
* 6th in Codeforces Round #129 (Div. 2): +87 (from 1666 to 1753)
* 62nd in Codeforces Round #131 (Div. 1): +91 (from 1753 to 1844)

2- vlad107: 358
* 42nd in Codeforces Round #129 (Div. 1): +92 (from 1923 to 2015)
* 36th in Codeforces Round #131 (Div. 1): +64 (from 2015 to 2079)

3- DamianS: 339
* 22nd in Codeforces Round #129 (Div. 1): +93 (from 2028 to 2121)
* 25th in Codeforces Round #131 (Div. 1): +55 (from 2121 to 2176)

4- sweetsc: 337
* 10th in Codeforces Round #128 (Div. 2): +154 (from 1531 to 1685)
* 84th in Codeforces Round #130 (Div. 2): +39 (from 1685 to 1724)
* 134th in Codeforces Round #131 (Div. 1): +34 (from 1724 to 1758)

5- learningSister: 334
* 30th in Codeforces Round #129 (Div. 1): +73 (from 2068 to 2141)
* 11th in Codeforces Round #131 (Div. 1): +73 (from 2141 to 2214)

You can check how are the above scores calculated here: http://codeforces.com/blog/entry/5169