18 lines
197 B
C++
18 lines
197 B
C++
#include<iostream>
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#include<cmath>
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using namespace std;
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int main()
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{
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long long a,b;
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while(true)
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{
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cin>>a>>b;
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a=a%10;
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for(int i=1;i<b;i++){
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a=a*a;
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a=a%10;
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}
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cout<<a<<endl;
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}
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}
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