Replace broken links from URI with matcomgrader

pmesq · pmesq · commit f6320a5dccad · 2024-10-13T22:09:31.000-03:00
diff --git a/src/geometry/convex-hull.md b/src/geometry/convex-hull.md
@@ -194,6 +194,6 @@ void convex_hull(vector<pt>& a, bool include_collinear = false) {
 
 * [Kattis - Convex Hull](https://open.kattis.com/problems/convexhull)
 * [Kattis - Keep the Parade Safe](https://open.kattis.com/problems/parade)
-* [URI 1464 - Onion Layers](https://www.urionlinejudge.com.br/judge/en/problems/view/1464)
+* [Latin American Regionals 2006 - Onion Layers](https://matcomgrader.com/problem/9413/onion-layers/)
 * [Timus 1185: Wall](http://acm.timus.ru/problem.aspx?space=1&num=1185)
 * [Usaco 2014 January Contest, Gold - Cow Curling](http://usaco.org/index.php?page=viewproblem2&cpid=382)
diff --git a/src/num_methods/simpson-integration.md b/src/num_methods/simpson-integration.md
@@ -64,4 +64,4 @@ double simpson_integration(double a, double b){
 
 ## Practice Problems
 
-* [URI - Environment Protection](https://www.urionlinejudge.com.br/judge/en/problems/view/1297)
+* [Latin American Regionals 2012 - Environment Protection](https://matcomgrader.com/problem/9335/environment-protection/)

Original file line number	Diff line number	Diff line change
`@@ -64,4 +64,4 @@ double simpson_integration(double a, double b){`
`64`	`64`
`65`	`65`	`## Practice Problems`
`66`	`66`
`67`		`-* [URI - Environment Protection](https://www.urionlinejudge.com.br/judge/en/problems/view/1297)`
	`67`	`+* [Latin American Regionals 2012 - Environment Protection](https://matcomgrader.com/problem/9335/environment-protection/)`