commit 129b1d5af33cc73387806d845b59f47bbf5db1a9
Author: Zoltán Szabó <zs553rt@omega.tuke.sk>
Date:   Tue Mar 3 18:21:21 2020 +0100

    funguje

diff --git a/du1/program.c b/du1/program.c
new file mode 100644
index 0000000..d325754
--- /dev/null
+++ b/du1/program.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+int main() {
+   // printf() displays the string inside quotation
+   printf("Hello, World!");
+     return 0;
+}