more exercises

1 files changed, 20 insertions, 0 deletions

diff --git a/4p29.cpp b/4p29.cpp
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index 0000000..44a0245
--- /dev/null
+++ b/4p29.cpp
@@ -0,0 +1,20 @@
+#include <iostream>
+
+/*
+ *
+ * 4.29
+ *
+ *
+ */
+
+int main () {
+
+	int x[10];
+	int *p = x;
+	auto xx = sizeof(x) / sizeof(*x);
+	auto pp1 = sizeof(p);
+	auto pp2 = sizeof(*p);
+	std::cout << xx << std::endl; // int is 32bit on my machine therefore 40 / 4 = 10
+	std::cout << pp1 / pp2 << std::endl; // we get the size of a pointer(8) then the size of an int(4) = 2
+	return 0;
+}