diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..e4cac8c
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,3 @@
+---
+IndentWidth: 4
+---
diff --git a/tp1/exe b/tp1/exe
new file mode 100755
index 0000000..eb24323
Binary files /dev/null and b/tp1/exe differ
diff --git a/tp1/exo1.c b/tp1/exo1.c
new file mode 100644
index 0000000..f52a4a1
--- /dev/null
+++ b/tp1/exo1.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int f_iter(int a, uint b) {
+    int acc = 1;
+    while (b > 0) {
+        acc = acc * a;
+        b = b - 1;
+    }
+    return acc;
+}
+
+int rec(int acc, int a, uint b) {
+    if (b == 0) {
+        return acc;
+    } else {
+        return rec(acc * a, a, b - 1);
+    }
+}
+int f_rec(int a, uint b) { return rec(1, a, b); }
+
+int f_exp(int a, uint b) {
+    if (b == 1) {
+        return a;
+    } else if (b % 2 == 0) {
+        return f_exp(a * a, b / 2);
+    } else {
+        return a * f_exp(a * a, (b - 1) / 2);
+    }
+}
+
+int main() {
+    int a = 6;
+    uint b = 7;
+    printf("Méthode iterative : %d^%d = %d\n", a, b, f_iter(a, b));
+    printf("Méthode recursive : %d^%d = %d\n", a, b, f_rec(a, b));
+    printf("Méthode d'exponentation rapide : %d^%d = %d\n", a, b, f_exp(a, b));
+    exit(0);
+}
diff --git a/tp1/exo2.c b/tp1/exo2.c
new file mode 100644
index 0000000..f501efa
--- /dev/null
+++ b/tp1/exo2.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+uint rec(uint acc, uint x) {
+    if (x < 10) {
+        return acc + x;
+    } else {
+        return rec(acc + (x % 10), x / 10);
+    }
+}
+
+int f(uint x) { return rec(0, x); }
+
+int main() {
+    int x = 3459023;
+    printf("Somme des chiffres de %d : %d", x, f(x));
+    exit(0);
+}
diff --git a/tp1/exo3.c b/tp1/exo3.c
new file mode 100644
index 0000000..2a917dd
--- /dev/null
+++ b/tp1/exo3.c
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int pow(uint a, uint b) {
+    if (b == 1) {
+        return a;
+    } else if (b % 2 == 0) {
+        return pow(a * a, b / 2);
+    } else {
+        return a * pow(a * a, (b - 1) / 2);
+    }
+}
+
+int f(uint n, uint k) {
+    uint acc = 0;
+    while (n > 0) {
+        acc += pow(n, k);
+        n--;
+    }
+    return acc;
+}
+
+int main() {
+    uint n = 7;
+    uint k = 3;
+    printf("Somme des puissances %d-ièmes des entiers de 1 à %d: %d", k, n,
+           f(n, k));
+    exit(0);
+}
diff --git a/tp1/exo4.c b/tp1/exo4.c
new file mode 100644
index 0000000..193b995
--- /dev/null
+++ b/tp1/exo4.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+uint rec(uint acc, uint x) {
+    if (x == 0) {
+        return acc;
+    } else {
+        return rec(acc + 1, x / 2);
+    }
+}
+
+uint f(uint x) { return rec(0, x); }
+
+int main() {
+    uint x = 8;
+    printf("Nombre de chiffre de %d en binaire: %d", x, f(x));
+    exit(0);
+}
diff --git a/tp1/exo5.c b/tp1/exo5.c
new file mode 100644
index 0000000..5cff6a3
--- /dev/null
+++ b/tp1/exo5.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void f(uint x) {
+    if (x > 1) {
+        f(x / 2);
+    }
+    printf("%d", x % 2);
+}
+
+int main() {
+    uint x = 4329;
+    printf("%d s'écrit binaire : ", x);
+    f(x);
+    printf("\n");
+    exit(0);
+}
diff --git a/tp1/exo6.c b/tp1/exo6.c
new file mode 100644
index 0000000..64cf4b6
--- /dev/null
+++ b/tp1/exo6.c
@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void rec(uint a, uint b, uint x) {
+    uint guess = (a + b) / 2;
+    printf("Ordinateur : %d\n", guess);
+    if (guess == x) {
+        printf("Arbitre : C'est bon !\n");
+    } else if (guess < x) {
+        printf("Arbitre : C'est plus !\n");
+        return rec(guess, b, x);
+    } else {
+        printf("Arbitre : C'est moins !\n");
+        return rec(a, guess, x);
+    }
+}
+
+void f(uint n, uint x) { return rec(0, n, x); }
+
+int main() {
+    uint x = 4329;
+    uint n = 32413524;
+    printf("x = %d et n = %d\n", x, n);
+    f(n, x);
+    exit(0);
+}
diff --git a/tp1/exo7.c b/tp1/exo7.c
new file mode 100644
index 0000000..dacabb2
--- /dev/null
+++ b/tp1/exo7.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int f(int a, int b) {
+    int i = 0;
+    while (!((a % i == 0) && (b % i == 0))) {
+        i++;
+    }
+    return i;
+}
+
+int main() {
+    int a = 9;
+    int b = 73;
+    printf("ppcm(%d, %d) = %d\n", a, b, f(a, b));
+    exit(0);
+}
diff --git a/tp1/main.c b/tp1/main.c
new file mode 100644
index 0000000..861b43d
--- /dev/null
+++ b/tp1/main.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    int x = 612657948;
+    if (x % 3 == 0)
+        printf("%d est multiple de trois.\n", x);
+    else
+        printf("%d n’est pas multiple de trois, le reste est %d.\n", x, x % 3);
+    exit(0);
+}