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complexité

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Clemence DUCREUX
2025-10-15 11:45:46 +02:00
parent 1c132742fa
commit c15bde258f
1 changed files with 4 additions and 0 deletions
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Ex_3/Algorithme.java
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@@ -2,6 +2,7 @@ import java.util.*;
import java.util.stream.Collectors; import java.util.stream.Collectors;
public class Algorithme { public class Algorithme {
// O(n²m+nm²)
public static void Algo(int[][] a) { public static void Algo(int[][] a) {
if (a == null) throw new IllegalArgumentException("Tableau null"); if (a == null) throw new IllegalArgumentException("Tableau null");
int n = a.length; int n = a.length;
@@ -26,6 +27,7 @@ public class Algorithme {
for (int i = 0; i < n; i++) selection(a[i]); for (int i = 0; i < n; i++) selection(a[i]);
} }
// O(n²)
public static void selection(int[] arr) { public static void selection(int[] arr) {
int n = arr.length; int n = arr.length;
for (int i = 0; i < n - 1; i++) { for (int i = 0; i < n - 1; i++) {
@@ -39,12 +41,14 @@ public class Algorithme {
} }
} }
// O(n)
public static int sum(int[] arr) { public static int sum(int[] arr) {
int s = 0; int s = 0;
for (int x : arr) s += x; for (int x : arr) s += x;
return s; return s;
} }
// O(n²m+nm²)
public static void main(String[] args) { public static void main(String[] args) {
int[][] t = { int[][] t = {
{0, 3, 2}, {0, 3, 2},