TP4 E3

TP4/E1.c

@@ -2,7 +2,6 @@
 
 #include <stdlib.h>
 #include <stdio.h>
-#include <math.h>
 
 int main(int argc, char *argv[]) {
     int T[] = {12, 23, 34, 45, 56, 67, 78, 89, 90};

TP4/E2.c

@@ -2,7 +2,6 @@
 
 #include <stdlib.h>
 #include <stdio.h>
-#include <math.h>
 
 int main(int argc, char *argv[]) {
     int X = 0, n, *P1, *P2;

TP4/E3.c

@@ -0,0 +1,24 @@
+/* Inversion de tableau */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+
+    int T[] = {12, 23, 34, 45, 56, 67, 78, 89, 90};
+    int *P1, *P2, temp, n = sizeof(T)/sizeof(int);
+
+    P2 = T + n - 1;
+    for (P1 = T; P1 < T + n/2; P1++, P2--) {
+        temp = *P1;
+        *P1 = *P2;
+        *P2 = temp;
+    }
+
+    for (P1 = T; P1 < T + n; P1++) {
+        printf("%d, ", *P1);
+    }
+    printf("\n");
+
+    return 0;
+}