B - Divan and a New Project

https://codeforces.com/contest/1614/submission/137010019

CodeForces/1614/B/B.cpp

@@ -0,0 +1,33 @@
+#include <bits/stdc++.h>
+
+using std::cin;
+using std::cout;
+using std::endl;
+
+int t, n, pos[200005];
+std::pair<int, int> a[200005];
+
+int main() {
+    cin >> t;
+    while (t--) {
+        long long ans = 0;
+        cin >> n;
+        for (int i = 1; i <= n; i++) {
+            cin >> a[i].first;
+            a[i].second = i;
+        }
+        std::sort(a + 1, a + 1 + n, std::greater<std::pair<int, int>>());
+        for (int i = 1, j = 1, f = 1; i <= n; i++) {
+            pos[a[i].second] = j * f;
+            ans += j * 2ll * a[i].first;
+            if (f == -1) j++;
+            f = -f;
+        }
+        cout << ans << endl;
+        for (int i = 0; i <= n; i++) {
+            cout << pos[i] << ' ';
+        }
+        cout << endl;
+    }
+    return 0;
+}