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- #include <iostream>
- #include <string.h>
- using namespace std;
- int main()
- {
- char a[100];
- int n, i, j, gasit;
- cin.get(a, 100);
- cin.get();
- n=strlen(a);
- for(i=0; i<n; i++)
- if(a[i]>='a' && a[i]<='z')
- {
- gasit=0;
- for(j=0; j<i; j++)
- if(a[i]==a[j])
- gasit=1;
- if(!gasit)
- cout<<a[i]<<" ";
- }
- return 0;
- }
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