add: lesson{5,6}, CMakeLists.txt

1 files changed, 26 insertions, 0 deletions

diff --git a/src/chapter1/lesson5/q1.cpp b/src/chapter1/lesson5/q1.cpp
new file mode 100644
index 0000000..2320bee
--- /dev/null
+++ b/src/chapter1/lesson5/q1.cpp
@@ -0,0 +1,26 @@
+#include <iostream>  // for std::cout and std::cin
+
+int main()
+{
+    std::cout << "Enter a number: "; // ask user for a number
+    int x{}; // define variable x to hold user input
+    std::cin >> x; // get number from keyboard and store it in variable x
+    std::cout << "You entered " << x << '\n';
+
+    return 0;
+}
+
+/*
+ * a) 'h' is not integer type, so x will be 0.
+ * b) all input before '.' in '3.2' is assigned to x; all the rest remains
+ *    for future extractions.
+ * c) sign character '-' is allowed, so '-3' is assigned to x
+ * d) same as variand a)
+ * e) highest acceptable value by integer type will be used if
+ *    '99999999999999999999' is input
+ * f) 123 is assigned to x and 'abc' remains for future extractions
+ * g) first character 'a' is not a valid integer type, so extraction failed
+ *    and x is 0
+ * h) spaces droped; '+' is valid character for integer type; 5 is assigned to x
+ * i) 5 is assigned to x; b6 remains for future extractions
+*/