Create 1879.cpp

QUSTOJ/1879.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+#include <vector>
+using namespace std;
+
+int main()
+{
+    int n;
+    cin>>n;
+    int tmp;
+    vector<int> vec;
+    for(int i=0;i<n;i++)
+    {
+        cin>>tmp;
+        vec.push_back(tmp);
+    }
+    int p;
+    cin>>p;
+    tmp=vec.at(p-1);
+    vec.at(p-1)=vec.at(p-2);
+    vec.at(p-2)=tmp;
+    for(int i=n-1;i>=1;i--)
+    {
+        cout<<vec.at(i)<<" ";
+    }
+    cout<<vec.at(0)<<endl;
+    return 0;
+}