33 lines
680 B
C++
33 lines
680 B
C++
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#include <iostream>
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#include <stack>
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#include <cmath>
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bool is_square(long long x) {
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return (round(sqrt(x)) * round(sqrt(x))) == x;
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}
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int main(int argc, char const *argv[])
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{
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int T;
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std::cin >> T;
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for (int i = 0; i < T; ++i)
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{
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long long X, Y;
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long long D;
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double Df;
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std::cin >> D;
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std::cin >> X;
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std::cin >> Y;
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if (!((X * X + Y * Y) % D) && is_square((X*X + Y*Y) / D)) {
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std::cout << (long long)round((X*X + Y*Y) / D) << std::endl;
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continue;
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}
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Df = sqrt(D);
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long double ans = sqrt(((X * X) + (Y * Y))) / Df;
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if ((long long)ceil(ans) == 1) ans = 2;
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//if (ans != 0) ans -= 1e-6;
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std::cout << (long long)ceil(ans) << std::endl;
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}
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return 0;
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}
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