7. 子任务测试

https://hydro.ac/d/system_test/record/61a06b941bfac3096ee5c261

Hydro/system_test/7/7.cpp

@@ -0,0 +1,12 @@
+#include <bits/stdc++.h>
+
+using std::cin;
+using std::cout;
+using std::endl;
+
+int main() {
+    int x;
+    cin >> x;
+    cout << x << endl;
+    return 0;
+}