A2OJ-Ladder

Checkbox	ID	Name	Problems Count
Done	11	Codeforces Rating < 1300	100
Done	12	1300 <= Codeforces Rating <= 1399	100
Done	13	1400 <= Codeforces Rating <= 1499	100
Done	14	1500 <= Codeforces Rating <= 1599	100
Done	15	1600 <= Codeforces Rating <= 1699	100
Done	16	1700 <= Codeforces Rating <= 1799	100
Done	17	1800 <= Codeforces Rating <= 1899	100
Done	18	1900 <= Codeforces Rating <= 1999	100
Done	19	2000 <= Codeforces Rating <= 2099	100
Done	20	2100 <= Codeforces Rating <= 2199	100
Done	21	Codeforces Rating >= 2200	100
Done	22	Codeforces Rating < 1300 (Extra)	200
Done	23	1300 <= Codeforces Rating <= 1399 (Extra)	200
Done	24	1400 <= Codeforces Rating <= 1499 (Extra)	200
Done	25	1500 <= Codeforces Rating <= 1599 (Extra)	200
Done	26	1600 <= Codeforces Rating <= 1699 (Extra)	200
Done	27	1700 <= Codeforces Rating <= 1799 (Extra)	200
Done	28	1800 <= Codeforces Rating <= 1899 (Extra)	200
Done	29	1900 <= Codeforces Rating <= 1999 (Extra)	200
Done	30	2000 <= Codeforces Rating <= 2099 (Extra)	200
Done	31	2100 <= Codeforces Rating <= 2199 (Extra)	200
Done	32	Codeforces Rating >= 2200 (Extra)	200
Done	4	Codeforces Div. 2, A	100
Done	5	Codeforces Div. 2, B	100
Done	6	Codeforces Div. 2, C	100
Done	7	Codeforces Div. 2, D	100
Done	8	Codeforces Div. 2, E	100
Done	9	Codeforces Div. 1, D	100
Done	10	Codeforces Div. 1, E	100

Usage

simply fork the repo and work on your own on the problems and add your checkmarks.