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- #include <iostream>
- #include <cstring>
- using namespace std;
- int main(){
- int n,a[100000];
- while(cin>>n){
- for(int i = 1; i <= n; i++){
- cin>>a[i];
- }
- int result = 0;
- int in[10000];
- int j = 1;
- for(int i = 1; i <= n; i++){
- if(a[i]==0){
- result++;
- in[j] = i;
- j++;
- }
- }
- for(int i = 1; i <= n; i++){
- for(int k = 1;k < j; k++){
- if(a[i]==in[k]){
- result++;
- }
- }
- }
- cout<<result<<endl;
- }
- return 0;
- }
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