test/cpv_local/geo2d/cvh_nonstrict.uva11626.cpp
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|---|---|---|---|
| 1 | // competitive-verifier: LOCALCASE test/cpv_local/_data/uva/11626 | ||
| 2 | |||
| 3 | #include "../../../src/geo2d/ds/cvh/lib.hpp" | ||
| 4 | |||
| 5 | using namespace tifa_libs; | ||
| 6 | using std::cin, std::cout; | ||
| 7 | using data_t = f64; | ||
| 8 | using Point2 = point<data_t>; | ||
| 9 | using ConvexHull2 = cvh<data_t>; | ||
| 10 | |||
| 11 | 3 | int main() { | |
| 12 | u32 t; | ||
| 13 |
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3 | cin >> t; |
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10 | while (t--) { |
| 15 | u32 n; | ||
| 16 |
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7 | cin >> n; |
| 17 | 7 | vec<Point2> v; | |
| 18 | data_t x, y; | ||
| 19 | char c; | ||
| 20 |
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55 | flt_ (u32, i, 1, n + 1) { |
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48 | cin >> x >> y >> c; |
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48 | v.emplace_back(x, y); |
| 23 | } | ||
| 24 | 7 | ConvexHull2 got{v, false, false}; | |
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7 | cout << std::fixed << std::setprecision(0) << got.vs.size() << '\n'; |
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53 | for (auto CR p : got.vs) cout << p << '\n'; |
| 27 | // u32 m; | ||
| 28 | // cin >> m; | ||
| 29 | // ConvexHull2 want(m); | ||
| 30 | // cin >> want; | ||
| 31 | // cout << (got.vs == want.vs ? "YES" : "NO") << '\n'; | ||
| 32 | 7 | } | |
| 33 | 3 | } | |
| 34 |