feat(Week04): Add exercises and solutions

1 files changed, 25 insertions, 0 deletions

diff --git a/Week04/Exercise04.cpp b/Week04/Exercise04.cpp
new file mode 100644
index 0000000..a64f1f2
--- /dev/null
+++ b/Week04/Exercise04.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+#include <cmath>
+
+int main() {
+    float a, b, c;
+    std::cin >> a >> b >> c;
+
+    float determinant = b * b - 4.0 * a * c;
+    // Тези сравнения колко са коректни така?
+    // Могат ли да се породят проблеми заради точност?
+    if (determinant < 0.0) {
+        std::cout << "No real roots";
+    }
+    else if (determinant == 0.0) {
+        float x = -b / (2 * a);
+        std::cout << x;
+    }
+    else {
+        float x1 = (-b + sqrt(determinant)) / (2 * a);
+        float x2 = (-b - sqrt(determinant)) / (2 * a);
+        std::cout << x1 << ' ' << x2;
+    }
+
+    return 0;
+}