add practice problem about numerical integration (#358)

pin3da · jakobkogler · commit ad024aadbb37 · 2018-11-04T22:11:21.000+01:00
diff --git a/src/num_methods/simpson-integration.md b/src/num_methods/simpson-integration.md
@@ -56,3 +56,8 @@ double simpson_integration(double a, double b){
     return s;
 }
 ```
+
+
+## Practice Problems
+
+* [URI - Environment Protection](https://www.urionlinejudge.com.br/judge/en/problems/view/1297)

Original file line number	Diff line number	Diff line change
`@@ -56,3 +56,8 @@ double simpson_integration(double a, double b){`
`56`	`56`	`return s;`
`57`	`57`	`}`
`58`	`58`	```
	`59`	`+`
	`60`	`+`
	`61`	`+## Practice Problems`
	`62`	`+`
	`63`	`+* [URI - Environment Protection](https://www.urionlinejudge.com.br/judge/en/problems/view/1297)`