Add chuanzhi cup final contest.

1 files changed, 32 insertions, 0 deletions

diff --git a/chuanzhi-cup/final-contest/1.cpp b/chuanzhi-cup/final-contest/1.cpp
new file mode 100644
index 0000000..ad95603
--- /dev/null
+++ b/chuanzhi-cup/final-contest/1.cpp
@@ -0,0 +1,32 @@
+#include <iostream>
+#include <unordered_set>
+
+int main() {
+  std::ios_base::sync_with_stdio(false);
+  std::cin.tie(nullptr);
+
+  int n, m;
+  std::cin >> n >> m;
+
+  std::unordered_set<int> a;
+
+  for (int i = 0; i < n; i++) {
+    int j;
+    std::cin >> j;
+    a.insert(j);
+  }
+
+  int count = 0;
+
+  for (int i = 0; i < m; i++) {
+    int j;
+    std::cin >> j;
+    if (a.count(j)) {
+      count++;
+    }
+  }
+
+  std::cout << count;
+
+  return 0;
+}