diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..5cf672f
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,51 @@
+/*   challenge de NaN ou il faut faire le tri d’un tableau
+ *   Copyright (C) 2021 rick <rick@gnous.eu>
+ *
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+fn tri(n: usize, arr: &mut [u32]) -> Result<(), &str> {
+    if arr.len() < n {
+        return Err("n supérieur à la taille du tableau.");
+    }
+
+    let mut i: usize = 0;
+    let mut j: usize;
+    let mut tmp: u32;
+
+    while i < n {
+        tmp = arr[i];
+        j = i;
+        while j < n {
+            if tmp > arr[j] {
+                arr[i] = arr[j];
+                arr[j] = tmp;
+                break;
+            }
+            j += 1;
+        }
+        
+        if j == n {
+            i += 1;
+        }
+    }
+    Ok(())
+}
+
+fn main() {
+    let mut test : [u32; 5] = [5, 2, 1, 4, 5];
+    match tri(5, &mut test) {
+        Ok(_) =>  {  println!("Tableau = {:?}", test) }
+        Err(e) => { println!("{}", e) }
+    }
+}