제출 #1188216

#제출 시각아이디문제언어결과실행 시간메모리
1188216dzuizz9월 (APIO24_september)C++20
100 / 100
86 ms7408 KiB
#include "september.h" #include <bits/stdc++.h> using namespace std; constexpr int MAXN=1e5+5; vector<vector<int>> adj; int maxi[5][MAXN],_ptr; int solve(int N,int M,vector<int> F,vector<vector<int>> S) { for(int i=0;i<M;++i){ maxi[i][0]=0; for(int j=0;j<N-1;++j) maxi[i][S[i][j]]=j; for(int j=N-1;j>0;--j) maxi[i][F[j]]=max(maxi[i][F[j]],maxi[i][j]); } int c[N]; memset(c,0,sizeof c); int ans=0,cnt=0; for(int i=0;i<N-1;){ int nx=0; for(int j=0;j<M;++j){ int x=S[j][i],k=maxi[j][x]; if(c[x]==0) ++cnt; if(++c[x]==M) --cnt; nx=max(nx,k); } while(i++<nx){ for(int j=0;j<M;++j){ int x=S[j][i],k=maxi[j][x]; if(c[x]==0) ++cnt; if(++c[x]==M) --cnt; nx=max(nx,k); } } if(cnt==0) ++ans; } return ans; }
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