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  1. #include <iostream>
  2. using namespace std;
  3. int main() {
  4. int n;
  5. cin>> n;
  6. int* a=new int[n];
  7. for(int i=0;i<n;i++){
  8. cin>> a[i];
  9. }
  10. int nn=n/2,c=0;
  11. for(int i=0;i<nn;i++){
  12. if(a[i]==a[n-1-i])c++;
  13. }
  14. cout<< c;
  15. delete[] a;
  16. return 0;
  17. }
Success #stdin #stdout 0.01s 5328KB
stdin
6
2
3
4
4
6
2
stdout
2