'commit'

LuoGu/RuMen/P1422.cpp

@@ -0,0 +1,22 @@
+#include <iostream>
+
+using namespace std;
+
+int main() {
+    int a = 0;
+    double b = 0;
+    cin >> a;
+    if (a <= 150) {
+        b = a * 0.4463;
+    } else if (a >= 151 && a <= 400) {
+        b += 150 * 0.4463;
+        b += (a - 150) * 0.4663;
+    } else {
+        b += 150 * 0.4463;
+        b += (400 - 150) * 0.4663;
+        b += (a - 400) * 0.5663;
+    }
+    b = int((b * 10) + 0.5) / 10.0;
+    cout << b << endl;
+    return 0;
+}