git reimport

archive/2017.04/2017.04.09 - unsorted/TaskC.java

@@ -0,0 +1,48 @@
+package chelper;
+
+import java.util.SortedMap;
+import java.util.TreeMap;
+
+import io.InputReader;
+import io.OutputWriter;
+import misc.GCJSolution;
+import misc.SimpleSavingChelperSolution;
+
+
+public class TaskC extends GCJSolution {
+
+  public void solve(int testNumber, InputReader in, OutputWriter out) {
+    wrapSolve(testNumber, in, out);
+  }
+
+  void add(SortedMap<Long, Long> map, long x, long c) {
+    map.putIfAbsent(x, 0L);
+    map.put(x, map.get(x) + c);
+  }
+
+  @Override
+  public void solve(int testNumber) {
+    long n = in.nextLong();
+    long k = in.nextLong();
+
+    long c = 0;
+
+    SortedMap<Long, Long> map = new TreeMap<>();
+    map.put(n, 1L);
+
+    while (true) {
+      long l = map.lastKey();
+      long lc = map.get(l);
+      map.remove(l);
+
+      if (c + lc >= k) {
+        out.println((l / 2) + " " + ((l - 1) / 2));
+        return;
+      }
+      c += lc;
+
+      add(map, l / 2, lc);
+      add(map, (l - 1) / 2, lc);
+    }
+  }
+}