[w7] Solved simpler exercises

1 files changed, 36 insertions, 0 deletions

diff --git a/week07/ex3.cpp b/week07/ex3.cpp
new file mode 100644
index 0000000..a616dc3
--- /dev/null
+++ b/week07/ex3.cpp
@@ -0,0 +1,36 @@
+#include <iostream>
+
+double abs(double val) {
+	return (val > 0) ? val : -val;
+}
+
+double square(double val) {
+	return val * val;
+}
+
+double afterFloatingPoint(double val) {
+	return val - (int)val;
+}
+
+double beforeFloatingPoint(double val) {
+	return (int)val;
+}
+
+int main() {
+	double (*useFunc)(double);
+	char buf;
+	std::cin >> buf;
+	switch(buf) {
+		case 'a': useFunc = &abs; break;
+		case 's': useFunc = &square; break;
+		case 'h': useFunc = &afterFloatingPoint; break;
+		case 'f': useFunc = &beforeFloatingPoint; break;
+	}
+
+	for (int i = 0; i < 5; i++) {
+		double temp;
+		std::cin >> temp;
+		std::cout << useFunc(temp) << " ";
+	}
+	std::cout << std::endl;
+}