제출 #1179133

#제출 시각아이디문제언어결과실행 시간메모리
1179133stdfloat9월 (APIO24_september)C++20
100 / 100
109 ms11200 KiB
#include <bits/stdc++.h> #include "september.h" // #include "stub.cpp" using namespace std; int solve(int n, int M, vector<int> F, vector<vector<int>> S) { vector<int> E[n]; for (int i = 1; i < n; i++) E[F[i]].push_back(i); vector<int> ind(n); for (auto i : S) { for (int j = 0; j < n - 1; j++) ind[i[j]] = max(ind[i[j]], j); } int cnt = 0, r = 0; for (int i = 0; i < n - 1; i++) { for (int j = 0; j < M; j++) { r = max(r, ind[S[j][i]]); for (auto k : E[S[j][i]]) r = max(r, ind[k]); } cnt += (i == r); } return cnt; }
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