git reimport

archive/2017.10/2017.10.27 - unsorted/D.java

@@ -0,0 +1,42 @@
+package chelper;
+
+import java.util.Arrays;
+
+import io.InputReader;
+import io.OutputWriter;
+import misc.SimpleSavingChelperSolution;
+
+
+public class D extends SimpleSavingChelperSolution {
+
+  public void solve(int testNumber, InputReader in, OutputWriter out) {
+    wrapSolve(testNumber, in, out);
+  }
+
+  @Override
+  public void solve(int testNumber) {
+    int n = in.nextInt();
+
+    long[] a = in.nextLongArray(n);
+
+    Arrays.sort(a);
+    
+    long t = 0;
+    long ans = 0;
+    for (int i = 0; i < n; i++) {
+      t += a[i];
+    }
+
+    int i = n - 1;
+    while (i > 0) {
+      ans += t;
+      t -= a[i];
+      i--;
+      if (i > 0) {
+        t -= a[i];
+        i--;
+      }
+    }
+    out.println(ans);
+  }
+}