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- #include <bits/stdc++.h>
- using namespace std;
- int main(){
- ifstream f("sumpow2.in");
- ofstream g("sumpow2.out");
- int nr=0;
- string a, b;
- f>>a>>b;
- for(int i=0; i<a.length(); ++i){
- int p=((int)(a[i]-97));
- nr+=1<<p;
- }
- for(int i=0; i<b.length(); ++i){
- int p=((int)(b[i]-97));
- nr+=1<<p;
- }
- int n=0;
- while(nr){
- if(nr%2) g<<(char)(97+nr);
- nr/=2;
- n++;
- }
- return 0;
- }
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