15 lines
235 B
C++
15 lines
235 B
C++
#include<bits/stdc++.h>
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using namespace std;
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int main(){
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long int a, b, i, x, m;
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cin>>a>>b;
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x = a;
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for(i = 2; i <= b; ++i){
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m = x * a;
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x = m % 10;
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}
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cout<<x<<endl;
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return 0;
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}
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