git reimport

archive/2016.10/2016.10.22 - Canada Cup 2016/TaskB.java

@@ -0,0 +1,36 @@
+package chelper;
+
+import java.math.BigInteger;
+
+import io.InputReader;
+import io.OutputWriter;
+
+public class TaskB {
+  public void solve(int testNumber, InputReader in, OutputWriter out) {
+    String s = in.nextString();
+
+    long n = Long.parseLong(s.substring(0, s.length() - 1)) - 1;
+    int p = s.charAt(s.length() - 1);
+
+    BigInteger ans = BigInteger.valueOf(n / 4).multiply(BigInteger.valueOf(16));
+
+    long c = 0;
+
+    switch (p) {
+      case 'a': c += 4; break;
+      case 'b': c += 5; break;
+      case 'c': c += 6; break;
+      case 'd': c += 3; break;
+      case 'e': c += 2; break;
+      case 'f': c += 1; break;
+    }
+
+    if ((n % 4) % 2 == 1) {
+      c += 7;
+    }
+
+    ans = ans.add(BigInteger.valueOf(c));
+
+    out.println(ans);
+  }
+}