Update linear-system-gauss.md

Eslam Zanaty · web-flow · commit 02f88e0e2d8f · 2022-03-28T07:47:33.000+02:00
added to the last of the list
diff --git a/src/linear_algebra/linear-system-gauss.md b/src/linear_algebra/linear-system-gauss.md
@@ -198,11 +198,11 @@ Therefore, the resulting Gauss-Jordan solution must sometimes be improved by app
 Thus, the solution turns into two-step: First, Gauss-Jordan algorithm is applied, and then a numerical method taking initial solution as solution in the first step.
 
 ## Practice Problems
-* [Codeforces - No game no life](https://codeforces.com/problemset/problem/1411/G)
 * [Spoj - Xor Maximization](http://www.spoj.com/problems/XMAX/)
 * [Codechef - Knight Moving](https://www.codechef.com/SEP12/problems/KNGHTMOV)
 * [Lightoj - Graph Coloring](http://lightoj.com/volume_showproblem.php?problem=1279)
 * [UVA 12910 - Snakes and Ladders](https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4775)
 * [TIMUS1042 Central Heating](http://acm.timus.ru/problem.aspx?space=1&num=1042)
 * [TIMUS1766 Humpty Dumpty](http://acm.timus.ru/problem.aspx?space=1&num=1766)
 * [TIMUS1266 Kirchhoff's Law](http://acm.timus.ru/problem.aspx?space=1&num=1266)
+* [Codeforces - No game no life](https://codeforces.com/problemset/problem/1411/G)
