first commit

week1/task1.c

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+/*
+ * Author: Walter
+ * Student ID: 1930006025
+ * Week_1_Task_1
+ * Read in a positive number and compute its factorial using resursion
+ */
+
+#include <stdio.h>
+#include <assert.h>
+
+long int factR(int n);
+
+int main() {
+	int n;
+	printf("Enter a positive number to get its factorial\n");
+	scanf("%d", &n);
+	printf("Result is %ld\n", factR(n));
+	return 0;
+}
+
+long int factR(int n) {
+	/* check */
+	assert(n > 0);
+
+	/* end of recursion */
+	if (n == 1) {
+		return 1;
+	}
+
+	return n * factR(n-1);
+}