git reimport

archive/2017.01/2017.01.07 - unsorted/E.java

@@ -0,0 +1,38 @@
+package chelper;
+
+import io.InputReader;
+import io.OutputWriter;
+
+public class E {
+  public void solve(int testNumber, InputReader in, OutputWriter out) {
+    long n = in.nextLong();
+    long m = in.nextLong();
+
+    out.println("? 0 0");
+    out.flush();
+
+    long dist1 = in.nextLong();
+
+    long dist2 = n + m - dist1;
+
+    if (dist1 <= dist2) {
+      out.println("? " + dist1 + " 0");
+      out.flush();
+
+      long dist3 = in.nextLong() / 2;
+      long x = dist1 - dist3;
+      long y = dist3;
+      out.println("! " + x + " " + y);
+      out.flush();
+    } else {
+      out.println("? " + (n - dist2) + " " + m);
+      out.flush();
+
+      long dist3 = in.nextLong() / 2;
+      long x = (n - dist2) + dist3;
+      long y = m - dist3;
+      out.println("! " + x + " " + y);
+      out.flush();
+    }
+  }
+}