ca marche :D

examen_juin/ex1/Makefile

+CC=gcc -Wextra -Wall -g -fsanitize=address -fsanitize=leak -pedantic
+
+ex1.out: ex1.o 
+	$(CC) $^ -o $@
+
+ex1.o: ex1.c
+	$(CC) $< -c
+
+clean: 
+	@rm -f *.o *.out
+
+rebuild: clean ex1.out
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examen_juin/ex1/ex1.c

+#include <stdio.h>
+#include <stdlib.h>
+
+double moyenne_recur(double* tab, int size, double moyenne,int index){
+    if(index == size){
+        return moyenne/size;
+    }
+    moyenne += tab[index];
+    moyenne_recur(tab, size, moyenne, ++index);
+}
+
+double* inverse_recu(double* tab, int size, int index){
+    if(index == size/2){
+        return tab;
+    }
+    double tmp = tab[(size-index)-1];
+    tab[(size-index)-1] = tab[index]; 
+    tab[index] = tmp;
+    tab = inverse_recu(tab, size, ++index);
+}
+
+int main() {
+    int size = 15;
+    double tab[size];
+    for(int i = 0; i < size ;i++){
+        scanf("%lf", &(tab[i]));
+    }
+    double moyenne = moyenne_recur(tab, size, 0, 0);
+    double* invtab = tab;
+    invtab = inverse_recu(invtab,size,0);
+
+    printf("moyenne: %lf\n", moyenne);
+    printf("inversion:\n");
+    for(int i = 0; i < size; i++){
+        printf("%lf\n", invtab[i]);
+    }
+    
+    return EXIT_SUCCESS;
+}
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