test/cpv/library-checker-graph/enumerate_triangles.cpp
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|---|---|---|---|
| 1 | // competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/enumerate_triangles | ||
| 2 | #include "../../../src/graph/cnt/ring3/lib.hpp" | ||
| 3 | // clang-format off | ||
| 4 | #include "../../../src/io/pair/lib.hpp" | ||
| 5 | #include "../../../src/io/container/lib.hpp" | ||
| 6 | // clang-format on | ||
| 7 | |||
| 8 | using namespace tifa_libs; | ||
| 9 | 17 | int main() { | |
| 10 |
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17 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 11 | u32 n, m; | ||
| 12 |
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17 | std::cin >> n >> m; |
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17 | vecu x(n); |
| 14 | 17 | std::cin >> x; | |
| 15 |
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17 | vecptu edges(m); |
| 16 | 17 | std::cin >> edges; | |
| 17 | 17 | u64 ans = 0; | |
| 18 | 15742394 | auto func = [&](u32 u, u32 v, u32 w) { ans = u32((ans + (u128)x[u] * x[v] * x[w]) % 998244353); }; | |
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17 | ringenum3(n, edges, func); |
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17 | std::cout << ans << '\n'; |
| 21 | 17 | return 0; | |
| 22 | 17 | } | |
| 23 |