Fix TODO list

TODO.md

@@ -3,16 +3,6 @@
 List of unsolved problems that I should try again later. Putting everything here to clean
 my tabs
 
-*Contents*
-* [Codeforces](#TODO list#Codeforces)
-        * [Divs](#TODO list#Codeforces#Divs)
-                * [Educational](#TODO list#Codeforces#Divs#Educational)
-                * [Div 1/2](#TODO list#Codeforces#Divs#Div 1/2)
-                * [Div 4](#TODO list#Codeforces#Divs#Div 4)
-        * [GYM](#TODO list#Codeforces#GYM)
-                * [ICPC Brazil first phase](#TODO list#Codeforces#GYM#ICPC Brazil first phase)
-* [Atcoder](#TODO list#Atcoder)
-
 ## Codeforces
 
 Problem from codeforces.
@@ -21,7 +11,7 @@ Problem from codeforces.
 
 Official divs from codeforces
 
-#### Educational
+- Educational
 
 	1. [F. Frogs and Mosquitoes](https://codeforces.com/contest/609/problem/F)
 
@@ -43,7 +33,7 @@ Official divs from codeforces
 
 		DP with optimization?
 
-#### Div 1/2
+- Div 1/2
 
 	1. [D. Division Versus Addition](https://codeforces.com/contest/2152/problem/D)
 
@@ -66,13 +56,13 @@ Official divs from codeforces
 		I tried this a long time ago, don't remember what it's about, just remembered
 		that I tried a greedy solution and it didn't work.
 
-#### Div 3
+- Div 3
 
 	1. [G. Cry Me a River](https://codeforces.com/contest/2137/problem/G)
 
 		Graph problem, don't remember the details.
 
-#### Div 4
+- Div 4
 
 	1. [F. Gravity Falls](https://codeforces.com/contest/2148/problem/F)
 
@@ -82,14 +72,14 @@ Official divs from codeforces
 
 Gym from simulations or contests that I did
 
-#### ICPC Brazil first phase
+- ICPC Brazil first phase
 
 	1. [D. Dominoes](https://codeforces.com/gym/106073/problem/D)
 
 		If I did this one, I would have passed into second phase, must try to solve it
 		ASAP.
 
-#### ICPC Northwestern European Regional
+- ICPC Northwestern European Regional
 
 	[Link](https://codeforces.com/gym/104875) because it has no problem page in gym.
 
@@ -97,7 +87,7 @@ Gym from simulations or contests that I did
 
 		I think I can solve it with flow.
 
-#### USP Try-outs
+- USP Try-outs
 
 	1. [B. Tuk-Tuk Express](https://codeforces.com/gym/103934/problem/B)