7 files changed, 22 insertions, 0 deletions
diff --git a/sem_3/Programm/TP2/exo13/exo13.c b/sem_3/Programm/TP2/exo13/exo13.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/sem_3/Programm/TP2/exo13/exo13.c
diff --git a/sem_3/Programm/TP2/exo13/impair.c b/sem_3/Programm/TP2/exo13/impair.c
new file mode 100644
index 0000000..f61f5bc
--- /dev/null
+++ b/sem_3/Programm/TP2/exo13/impair.c
@@ -0,0 +1,5 @@
+#include "pair.h"
+
+int impair ( unsigned int i) {
+  return (i == 0 ? 0 : ( pair(i-1)));
+}
diff --git a/sem_3/Programm/TP2/exo13/impair.h b/sem_3/Programm/TP2/exo13/impair.h
new file mode 100644
index 0000000..196468b
--- /dev/null
+++ b/sem_3/Programm/TP2/exo13/impair.h
@@ -0,0 +1 @@
+int impair(unsigned int);
diff --git a/sem_3/Programm/TP2/exo13/pair.c b/sem_3/Programm/TP2/exo13/pair.c
new file mode 100644
index 0000000..05b9a0a
--- /dev/null
+++ b/sem_3/Programm/TP2/exo13/pair.c
@@ -0,0 +1,4 @@
+#include "impair.h"
+int pair(unsigned int i){
+  return (i == 0 ? 1 : impair(i-1));
+}
diff --git a/sem_3/Programm/TP2/exo13/pair.h b/sem_3/Programm/TP2/exo13/pair.h
new file mode 100644
index 0000000..2b5acab
--- /dev/null
+++ b/sem_3/Programm/TP2/exo13/pair.h
@@ -0,0 +1 @@
+int pair ( unsigned int );
diff --git a/sem_3/Programm/TP2/exo13/spair b/sem_3/Programm/TP2/exo13/spair
new file mode 100644
index 0000000..fe2dd14
--- /dev/null
+++ b/sem_3/Programm/TP2/exo13/spair
diff --git a/sem_3/Programm/TP2/exo13/spair.c b/sem_3/Programm/TP2/exo13/spair.c
new file mode 100644
index 0000000..32fa224
--- /dev/null
+++ b/sem_3/Programm/TP2/exo13/spair.c
@@ -0,0 +1,11 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "pair.h"
+#include "impair.h"
+
+int main ( int argc, char ** argv) {
+  int param = atoi(argv[1]);
+    if (pair(param)) printf("%d est pair\n", param);
+    else printf("%d est impair\n", param);
+    return 0;
+}