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Create Binary Exponentiation.cpp #36

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19 changes: 19 additions & 0 deletions Algorithms/Binary Exponentiation.cpp
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Original file line number Diff line number Diff line change
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#include<bits/stdc++.h>
using namespace std;
long long binpow(long long a, long long b) {
long long res = 1;
while (b > 0) {
if (b & 1)
res = res * a;
a = a * a;
b >>= 1;
}
return res;
}
int main()
{
long long a,b;
cin >> a >> b;
cout<<binpow(a,b);
return 0;
}