git reimport

archive/2018.10/2018.10.29 - SNCK1B19/QUEUE2.java

@@ -0,0 +1,52 @@
+package chelper;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import io.InputReader;
+import io.OutputWriter;
+import misc.SimpleSavingChelperSolution;
+
+
+public class QUEUE2 extends SimpleSavingChelperSolution {
+
+  public void solve(int testNumber, InputReader in, OutputWriter out) {
+    wrapSolve(testNumber, in, out);
+  }
+
+  @Override
+  public void solve(int testNumber) {
+    long n = in.nextLong();
+    long m = in.nextLong() + 1;
+    long k = in.nextLong();
+    long l = in.nextLong();
+
+    long lastFree = 0;
+
+    List<Long> a = new ArrayList<>();
+    for (long i = 0; i < n; i++) {
+      a.add(in.nextLong());
+    }
+    Collections.sort(a);
+    a.add(k);
+
+    long minWaitTime = m * l;
+
+    for (long i : a) {
+      long newlyFree = (i - lastFree) / l;
+      lastFree += newlyFree * l;
+      m = Math.max(0, m - newlyFree);
+
+      if (m == 0) {
+        lastFree = i;
+      }
+
+      minWaitTime = Math.min(minWaitTime, Math.max(lastFree + m * l - i, 0));
+
+      m++;
+    }
+
+    out.println(minWaitTime);
+  }
+}