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diff --git a/07_mathematics/exponentiation_1095.cpp b/07_mathematics/exponentiation_1095.cpp
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1#include <iostream>
2
3static constexpr unsigned long long MOD = 1000000007;
4
5unsigned long long pow(unsigned long long a, unsigned long long b) {
6 if (b == 0) return 1;
7 if (a == 0) return 0;
8 if (b % 2 == 0) return pow(a*a % MOD, b/2) % MOD;
9 return (a * pow(a, b-1)) % MOD;
10}
11
12int main() {
13 unsigned long long n, a, b;
14 std::cin >> n;
15 for (unsigned long long i = 0; i < n; i++) {
16 std::cin >> a >> b;
17 std::cout << pow(a, b) << "\n";
18 }
19}

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