test/cpv/aizu-cgl/cgl_2_a.cpp
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|---|---|---|---|
| 1 | // competitive-verifier: PROBLEM https://onlinejudge.u-aizu.ac.jp/courses/library/4/CGL/all/CGL_2_A | ||
| 2 | #include "../../../src/geo2d/ds/l/lib.hpp" | ||
| 3 | #include "../../../src/geo2d/ds/p/lib.hpp" | ||
| 4 | |||
| 5 | using namespace tifa_libs; | ||
| 6 | using point_t = point<double>; | ||
| 7 | using line_t = line<double>; | ||
| 8 | |||
| 9 | 32 | int main() { | |
| 10 |
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32 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 11 | u32 q; | ||
| 12 |
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32 | std::cin >> q; |
| 13 |
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21094 | flt_ (u32, i, 0, q) { |
| 14 | line_t l1, l2; | ||
| 15 | 21062 | std::cin >> l1 >> l2; | |
| 16 |
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21062 | if (is_zero(l1.direction() * l2.direction())) std::cout << "1\n"; |
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15822 | else if (l1.is_parallel(l2)) std::cout << "2\n"; |
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10425 | else std::cout << "0\n"; |
| 19 | } | ||
| 20 | 32 | return 0; | |
| 21 | } | ||
| 22 |