test/cpv/library-checker-geo/furthest_pair.cpp
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|---|---|---|---|
| 1 | // competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/furthest_pair | ||
| 2 | #include "../../../src/geo2d/ds/cvh/lib.hpp" | ||
| 3 | |||
| 4 | using namespace tifa_libs; | ||
| 5 | using point_t = point<f128>; | ||
| 6 | using cvh_t = cvh<f128>; | ||
| 7 | |||
| 8 | 46 | int main() { | |
| 9 |
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46 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 10 | u32 t; | ||
| 11 |
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46 | std::cin >> t; |
| 12 |
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366469 | while (t--) { |
| 13 | u32 n; | ||
| 14 |
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366423 | std::cin >> n; |
| 15 | 366423 | cvh_t poly(n); | |
| 16 | 366423 | std::cin >> poly; | |
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366423 | map<point_t, vecu> mp; |
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22363904 | flt_ (u32, i, 0, n) mp[poly.vs[i]].push_back(i); |
| 19 | 366423 | poly.init(); | |
| 20 | 366423 | auto [dis, i, j] = poly.template diameter<true>(); | |
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366423 | u32 l = mp[poly.vs[i]][0], r = mp[poly.vs[j]][0]; |
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366423 | if (l == r) r = mp[poly.vs[j]][1]; |
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366423 | std::cout << l << ' ' << r << '\n'; |
| 24 | 366423 | } | |
| 25 | 46 | return 0; | |
| 26 | } | ||
| 27 |