제출 #991201

#제출 시각아이디문제언어결과실행 시간메모리
991201model_code9월 (APIO24_september)C++17
100 / 100
126 ms10640 KiB
#include <bits/stdc++.h> #include "september.h" int solve (int N, int M, std::vector<int> F, std::vector<std::vector<int>> S) { int K = 0, L = 0, R = 0; std::vector<int> c(N), d(N), f(N); for (int i = 1; i < N; i++) d[F[i]]++; auto add = [&] (int p) { for (int i = 0; i < M; i++) { if (c[S[i][p]] == 0) R++; if (++c[S[i][p]] == M) { R--; f[S[i][p]] = 1; L++; for (int u = S[i][p]; !d[u] and f[u]; d[u = F[u]]--) L--; } } }; for (int l = 0, r; l < N - 1; K++, l = r + 1) for (add(r = l); L + R; add(++r)) ; return K; }
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