1 files changed, 111 insertions, 0 deletions
diff --git a/contests/Round901/B/main.cpp b/contests/Round901/B/main.cpp
new file mode 100755
index 0000000..c2e3517
--- /dev/null
+++ b/contests/Round901/B/main.cpp
@@ -0,0 +1,111 @@
+#include <bits/stdc++.h>
+#include <climits>
+
+using namespace std;
+
+using ll = long long;
+using pii = pair<int, int>;
+using vpii = vector<pii>;
+using vi = vector<int>;
+using vll = vector<long long>;
+using mpii = map<int, int>;
+using mpll = map<ll, ll>;
+using db = long double;
+
+#define pb push_back
+#define all(x) (x).begin(), (x).end()
+#define rall(x) (x).rbegin(), (x).rend()
+#define lb lower_bound
+#define ub upper_bound
+#define make_unique(x)                                                         \
+  sort(all((x)));                                                              \
+  (x).resize(unique(all((x))) - (x).begin())
+#define ceil(a, b) ((a) + (b)-1) / (b)
+
+const int mod = (int)1e9 + 7;
+const db pi = acos((db)-1);
+const int dx[4]{1, 0, -1, 0};
+const int dy[4]{0, 1, 0, -1};
+
+#ifdef LOCAL
+#include "debug.h"
+#else
+#define dbg(...) 42
+#endif
+
+/* stuff you should look for:
+  ---------------------------
+   * special cases (n=1?)
+   * int overflow, array bounds
+   * do smth instead of nothing and stay organized
+   * WRITE STUFF DOWN
+   * DON'T GET STUCK ON ONE APPROACH
+ */
+
+void solve() {
+  int n, m, k;
+  cin >> n >> m >> k;
+  vll a(n), b(m);
+  ll min_a = INT_MAX;
+  ll min_b = INT_MAX;
+  ll max_a = 0;
+  ll max_b = 0;
+  ll sum = 0;
+  for (auto &x : a) {
+    cin >> x;
+    sum += x;
+    min_a = min(min_a, x);
+    max_a = max(max_a, x);
+  }
+  for (auto &x : b) {
+    cin >> x;
+    min_b = min(min_b, x);
+    max_b = max(max_b, x);
+  }
+  ll mx = max(max_a, max_b);
+  ll mn = min(min_a, min_b);
+  ll tmp = sum + (max_b - min_a);
+  if (mx == max_a && mn == min_a) {
+    if (k % 2 == 1) {
+      cout << tmp << '\n';
+    } else {
+      cout << tmp + (mn - mx) << '\n';
+    }
+  } else if (mx == max_b && mn == min_b) {
+    if (k % 2 == 1) {
+      cout << tmp << '\n';
+    } else {
+      cout << tmp + (mn - mx) << '\n';
+    }
+  } else if (mx == max_a && mn == min_b) {
+    if (k % 2 == 1) {
+      if (max_b <= min_a) {
+        cout << sum << '\n';
+      } else {
+        cout << tmp << '\n';
+      }
+    } else {
+      if (max_b <= min_a) {
+        cout << sum + (mn - mx) << '\n';
+      } else {
+        cout << tmp + (mn - mx) << '\n';
+      }
+    }
+  } else {
+    if (k % 2 == 1) {
+      cout << tmp << '\n';
+    } else {
+      cout << sum << '\n';
+    }
+  }
+}
+
+int main() {
+  ios_base::sync_with_stdio(false);
+  cin.tie(NULL);
+  int tt;
+  cin >> tt;
+  while (tt--) {
+    solve();
+  }
+}