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- ///BAC 2016 SIII ex 3.
- #include <iostream>
- #include <cstring>
- using namespace std;
- int cifre(int n){
- int c,k=0;
- int v[10]={};
- while(n>0){
- c=n%10;
- n=n/10;
- v[c]++;
- }
- for(int i=0;i<=9;i++){
- if(v[i]==1){
- k++;
- }
- }
- return k;
- }
- int main()
- {
- int n;
- cin>>n;
- cout<<cifre(n);
- return 0;
- }
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