geometria

Cpp/UVa10286_TroubleWithAPentagon.cpp

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+// UVA 10286
+// UVa10286_Trouble with a Pentagon
+
+#include <iostream>
+#include <cmath>
+#include <iomanip>
+
+#define PI 3.14159265359
+
+
+using namespace std;
+
+double sin_deg(double deg) {
+    return sin((deg * PI) / 180.0);
+}
+
+
+int main() {
+    double l;
+    while (cin >> l) {
+        cout << fixed << setprecision(10) << (l*sin_deg(108) / (sin_deg(63))) << endl;
+    }
+}
+/*
+ *
+1 2 3 4
+1 2 3 4
+1 2 3 4
+
+ */

Cpp/UVa11909_SoyaMilk.cpp

@@ -0,0 +1,44 @@
+// UVA 11909
+// UVa11909_SoyaMilk
+
+#include <iostream>
+#include <cmath>
+#include <iomanip>
+
+#define PI 3.14159265359
+
+
+using namespace std;
+
+int main() {
+    double l, w, h, t;
+    double area;
+    while (cin>>l>>w>>h>>t) {
+
+
+        double areaA = l * h;
+        t = (t * PI) / 180.0;
+        if (t < atan(h / l)) {
+            double x = PI - t - PI / 2;
+            double z = (l * sin(t)) / sin(x);
+            double areaB = (l * z) / 2.0;
+            area = (areaA - areaB) * w;
+        } else {
+            t = PI/2-t;
+            double x = PI - t - PI / 2;
+            double z = (h * sin(  t)) / sin(x);
+            area = ((h * z) / 2.0) * w;
+        };
+        cout << fixed << setprecision(3) << area << " mL" << endl;
+    }
+
+
+    return 0;
+}
+/*
+ *
+1 2 3 4
+1 2 3 4
+1 2 3 4
+
+ */