44 lines
849 B
C++
44 lines
849 B
C++
#include<iostream>
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using namespace std;
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char str[10005];
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int wen[10005];
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int main()
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{
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int n;
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char s;
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while(cin>>n)
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{
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int top=0;
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for(int j=0;j<n;j++)
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{
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cin>>wen[j];
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}
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for(char c='A';c<='Z';c++)
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{
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for(int i=0;i<n;i++)
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{
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s=c^wen[i];
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if(s>='A'&&s<='Z')
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{
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str[top++]=s;
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}
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else
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{
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top=0;
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break;
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}
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}
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if(top==n)
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{
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break;
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}
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}
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for(int k=0;k<top;k++)
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{
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cout<<str[k];
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}
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cout<<endl;
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}
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return 0;
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}
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