18 lines
310 B
C++
18 lines
310 B
C++
class Solution {
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public:
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int mirrorReflection(int p, int q)
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{
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auto lcm = p * q / std::gcd(p, q);
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auto x = lcm / p;
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auto y = lcm / q;
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if (x % 2 == 0) {
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return 0;
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}
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if (y % 2 == 0) {
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return 2;
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}
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return 1;
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}
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};
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