Add ex2

Still missing some tests to determine if it's a latin square.

ex2/main.c

+/* Author : Dario GENGA
+ * Date : 07.12.2021
+ * Description : Contrôle continue 1 - Exercice 2
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#define NB_ROW_AND_COL 4
+
+int main() {
+    bool is_normalized = true;
+    char *normalized = "oui";
+    char *not_normalized = "non";
+    int (*square)[NB_ROW_AND_COL] = malloc(NB_ROW_AND_COL * sizeof(*square));
+
+    // i = row index, k = col index
+    for (int i = 0; i < NB_ROW_AND_COL; i++) {
+        for (int k = 0; k < NB_ROW_AND_COL; k++) {
+            int value;
+            scanf("%d", &value);
+            square[i][k] = value;
+
+            if (value <= 0 || value > NB_ROW_AND_COL) {
+                is_normalized = false;
+            }
+        }
+    }
+
+    // Verify if the square is normalized
+    int prev = square[0][0];
+    for (int i = 1; i < NB_ROW_AND_COL; i++) {
+        if (prev > square[i][0]) {
+            is_normalized = false;
+            break;
+        }
+    }
+    prev = square[0][0];
+    for (int k = 1; k < NB_ROW_AND_COL; k++) {
+        if (prev > square[0][k]) {
+            is_normalized = false;
+            break;
+        }
+    }
+
+    // Print the result and free the memory
+    if (is_normalized) {
+        printf("\nlatin normalisé : %s\n", normalized);
+    } else {
+        printf("\nlatin normalisé : %s\n", not_normalized);
+    }
+
+    free(square);
+
+    return EXIT_SUCCESS;
+}

ex2/makefile

+LIB=-lm
+CC=gcc -Wall -Wextra -pedantic -g
+
+main: main.o
+	$(CC) $^ -fsanitize=address -fsanitize=leak -o $@ $(LIB)
+
+main.o: main.c
+	$(CC) -c $< $(LIB)
+clean:
+	rm -f *.o main
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