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20 lines
342 B
C++
20 lines
342 B
C++
#include <bits/stdc++.h>
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#define int long long
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using namespace std;
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int m;
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int f(int a, int b)
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{
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if(b == 0) return 1 % m;
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else if(b % 2 == 1) return (f(a, (b - 1)) * a) % m;
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return (f(a, b / 2) * f(a, b / 2)) % m;
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}
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signed main()
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{
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int a, b;
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cin >> a >> b >> m ;
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cout << a << "^" << b << " mod " << m << "=" << f(a, b) ;
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return 0;
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} |