'commit'

GESP/Level5/Test3.cpp

@@ -0,0 +1,36 @@
+#include <bits/stdc++.h>
+using namespace std;
+typedef long long LL;
+const int N = 2e5 + 10;
+struct Node {
+  int id;  // 哪个物品
+  int cha; // 差值
+} a[N];
+int cmp(Node a, Node b) { return a.cha < b.cha; }
+int b[N], c[N];
+LL sum;
+int main() {
+  int n;
+  cin >> n;
+  for (int i = 1; i <= 2 * n; i++)
+    cin >> b[i];
+
+  for (int i = 1; i <= 2 * n; i++)
+    cin >> c[i];
+
+  for (int i = 1; i <= 2 * n; i++) {
+    a[i].id = i;
+    a[i].cha = c[i] - b[i];
+  }
+  sort(a + 1, a + 2 * n + 1, cmp);
+
+  for (int i = 1; i <= n; i++)
+    sum += b[a[i].id];
+
+  for (int i = n + 1; i <= 2 * n; i++)
+    sum += c[a[i].id];
+
+  cout << sum;
+
+  return 0;
+}