第k节车厢的货物

test01/main.cpp

@@ -1,15 +1,13 @@
 #include "iostream"
 using namespace std;
 
-int a[105], n;
+int a[105], n, k;
 
 int main() {
     cin >> n;
     for (int i = 1; i <= n; i++) {
         cin >> a[i];
     }
-    for (int i = 1; i <= n; i++) {
-        cout << a[i];
-    }
+    cout << a[k] << endl;
     return 0;
 }