Additions and updates in 1sem/PB

1sem/programming basics/z15/43.cpp

@@ -0,0 +1,28 @@
+// pb_z15_43.cpp
+// Горбацевич Андрей
+#include <iostream>
+#include <fstream>
+#include <climits>
+
+using namespace std;
+
+void reverse_uchar(std::iostream &ost);
+
+int main() {
+    fstream iof("out.bin", ios::in|ios::out|ios::binary);
+    if (!iof.is_open())
+    {
+        cerr << "Unable to open file" << endl;
+        return 1;
+    }
+
+    reverse_uchar(iof);
+    return 0;
+}
+
+void reverse_uchar(std::iostream &ost) {
+    unsigned char cval = UCHAR_MAX;
+    for (int i = 0; i <= cval; i++) {
+        ost << cval--;
+    }
+}