Solved all unsolved exercises from Seminar 4

1 files changed, 26 insertions, 0 deletions

diff --git a/Sem. 04/Solutions/exercise03.cpp b/Sem. 04/Solutions/exercise03.cpp
new file mode 100644
index 0000000..c238d44
--- /dev/null
+++ b/Sem. 04/Solutions/exercise03.cpp
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+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+// Taken from exercise02.cpp
+double distanceBetweenPoints(int x1, int y1, int x2, int y2)
+{
+	int sideA = abs(x1 - x2), sideB = abs(y1 - y2);
+	return sqrt(sideA * sideA + sideB * sideB); // Pythagorean theorem
+}
+
+double trianglePerimeterFromPoints(int x1, int y1, int x2, int y2, int x3, int y3)
+{
+	return distanceBetweenPoints(x1, y1, x2, y2) +
+		   distanceBetweenPoints(x1, y1, x3, y3) +
+		   distanceBetweenPoints(x2, y2, x3, y3);
+}
+
+int main()
+{
+	int x1, y1, x2, y2, x3, y3;
+	cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3;
+
+	cout << trianglePerimeterFromPoints(x1, y1, x2, y2, x3, y3) << endl;
+}