test/cpv_local/geo2d/cvh_circum.uva1303.cpp
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| 1 | // competitive-verifier: LOCALCASE test/cpv_local/_data/uva/1303 | ||
| 2 | |||
| 3 | #include "../../../src/geo2d/ds/cvh/lib.hpp" | ||
| 4 | #include "../../../src/io/container/lib.hpp" | ||
| 5 | |||
| 6 | using namespace tifa_libs; | ||
| 7 | using std::cin, std::cout; | ||
| 8 | using data_t = f64; | ||
| 9 | using Point2 = point<data_t>; | ||
| 10 | using ConvexHull2 = cvh<data_t>; | ||
| 11 | |||
| 12 | CEXP data_t PI = pi_v<data_t>; | ||
| 13 | |||
| 14 | 2 | int main() { | |
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2 | cout << std::fixed << std::setprecision(0); |
| 16 | |||
| 17 | u32 t; | ||
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2 | cin >> t; |
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103 | while (t--) { |
| 20 | u32 n, l; | ||
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101 | cin >> n >> l; |
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101 | vec<Point2> vp(n); |
| 23 | 101 | cin >> vp; | |
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101 | cout << ConvexHull2{vp}.circum() + 2 * PI * l << '\n'; |
| 25 | 101 | } | |
| 26 | 2 | } | |
| 27 |