diff --git a/src/.config/nvim/init.vim b/src/.config/nvim/init.vim
index 516834b..ba5b59b 100755
--- a/src/.config/nvim/init.vim
+++ b/src/.config/nvim/init.vim
@@ -23,7 +23,9 @@ set lazyredraw nocursorline ttyfast
 set clipboard=unnamedplus
 " when using c or s, do not overwrite clipboard
 nnoremap c "-c
+vnoremap c "-c
 nnoremap s "-s
+vnoremap s "-s
 
 let mapleader = ","
 
diff --git a/src/.config/nvim/makefile b/src/.config/nvim/makefile
index 2c7f4ca..8c93fbd 100644
--- a/src/.config/nvim/makefile
+++ b/src/.config/nvim/makefile
@@ -2,7 +2,7 @@
 
 ~/.cache/termdebug/bin/%: %.cpp
 	mkdir -p ~/.cache/termdebug/bin/
-	$(LINK.cpp) -g -Wall -Wpedantic $^ $(LOADLIBES) $(LDLIBS) -o $@
+	$(LINK.cpp) -g -Wall -Wpedantic -std=c++20 $^ $(LOADLIBES) $(LDLIBS) -o $@
 
 ~/.cache/termdebug/bin/%: %.c
 	mkdir -p ~/.cache/termdebug/bin/
diff --git a/src/.config/nvim/ultisnips/typst.snippets b/src/.config/nvim/ultisnips/typst.snippets
index 646c8ec..b17dd30 100644
--- a/src/.config/nvim/ultisnips/typst.snippets
+++ b/src/.config/nvim/ultisnips/typst.snippets
@@ -8,6 +8,15 @@ snippet problem "template for problem notes" bi
 
 endsnippet
 
+snippet contest "template for contest problems" bi
+#import "../../templates/contest.typ": template, source_code, status
+#show: template.with(
+  title: "$1",
+  stat: "${2:incomplete}",
+)
+
+endsnippet
+
 snippet algs "template for compsci notes" bi
 #import "../templates/algs.typ": template, source_code
 #show: template.with(