diff --git a/Ex_3/Algorithme.java b/Ex_3/Algorithme.java
index 589ecd6..9d9491e 100644
--- a/Ex_3/Algorithme.java
+++ b/Ex_3/Algorithme.java
@@ -2,6 +2,7 @@ import java.util.*;
 import java.util.stream.Collectors;
 
 public class Algorithme {
+    // O(n²m+nm²)
     public static void Algo(int[][] a) {
         if (a == null) throw new IllegalArgumentException("Tableau null");
         int n = a.length;
@@ -26,6 +27,7 @@ public class Algorithme {
         for (int i = 0; i < n; i++) selection(a[i]);
     }
 
+    // O(n²)
     public static void selection(int[] arr) {
         int n = arr.length;
         for (int i = 0; i < n - 1; i++) {
@@ -39,12 +41,14 @@ public class Algorithme {
         }
     }
 
+    // O(n)
     public static int sum(int[] arr) {
         int s = 0;
         for (int x : arr) s += x;
         return s;
     }
 
+    // O(n²m+nm²)
     public static void main(String[] args) {
         int[][] t = {
             {0, 3, 2},