제출 #1037385

#제출 시각아이디문제언어결과실행 시간메모리
1037385aaaaaarroz9월 (APIO24_september)C++17
100 / 100
90 ms9848 KiB
#include "september.h" #include <bits/stdc++.h> using namespace std; int solve(int N, int M, std::vector<int> F, std::vector<std::vector<int>> S) { vector<int> mx(N); for(int i=0;i<M;i++) for(int j=0;j<N-1;j++) mx[S[i][j]]=max(mx[S[i][j]],j); for(int i=N-1;i>=1;i--) mx[F[i]]=max(mx[F[i]],mx[i]); int cc=-1,k=0; for(int i=0;i<N-1;i++){ if(i>cc) k++; for(int j=0;j<M;j++) cc=max(cc,mx[S[j][i]]); } return k; }
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