add sizeof.c

Code/hello.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main()
+{
+	printf("hello world\n");
+	return 0;
+}

Code/sizeof.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdbool.h>
+int main()
+{
+	printf("int: %ld\n",sizeof(int));
+	printf("float: %ld\n",sizeof(float));
+	printf("double: %ld\n",sizeof(double));
+	printf("char: %ld\n",sizeof(char));
+	printf("long: %ld\n",sizeof(long));
+	printf("long long: %ld\n",sizeof(long long));
+	printf("short: %ld\n",sizeof(short));
+	printf("void: %ld\n",sizeof(void));
+	printf("bool: %ld\n",sizeof(bool));
+	printf("unsigned int: %ld\n",sizeof(unsigned int));
+	
+	return 0;
+}

Code/test.c

@@ -0,0 +1,8 @@
+#include<stdio.h>
+
+int main()
+{
+	printf("hello!");
+
+	return 0;
+}