chapter3

test/alert.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(void) {
+    printf("Alert!\a");
+    return 0;
+}

test/test1.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+int main(void){
+
+int num;
+int e = 1;
+int decimal = 0;
+
+printf("%s\n", "Enter UNSIGNED BINARY! to convert decimal");
+scanf("%d", &num);
+int temp = num;
+
+while (temp) {
+	int last = temp % 10;
+	temp = temp / 10;
+
+	decimal += last * e;
+	e = e * 2;
+
+}
+printf("%s %d\n", "Decimal: ", decimal);
+
+	return 0;
+}

test/test2.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int main() {
+int n = 4, a = 1;
+int i, c;
+	for (i = 1; i <=n; i++) {
+		for (c = 1; c <= i; c++) {
+			printf("%d", a);
+			a++;
+		}
+		printf("\n");
+	}
+}