Submission #1193394

#	Time	Username	Problem	Language	Result	Execution time	Memory
1193394		yuichiro17	September (APIO24_september)	C++20	100 / 100	71 ms	7424 KiB

september

#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<vector<int>> rs(M,vector<int>(N));
	for(int i=0;i<M;i++){
		rs[i][0]=N;
	}
	for(int i=0;i<N-1;i++){
		for(int j=0;j<M;j++){
			rs[j][S[j][i]]=i;
		}
	}
	int ans=0;
	int mi = N-2;
	for(int i=N-2;i>=0;i--){
		if(mi>i){
			mi=i;
		}
		for(int j=0;j<M;j++){
			mi = min(mi,rs[j][S[0][i]]);
			mi = min(mi,rs[j][F[S[0][i]]]);
		}
		if(i==mi){
			ans++;
		}
	}
	return ans;
}

• Subtask 1: 11 / 11
• Subtask 2: 14 / 14
• Subtask 3: 5 / 5
• Subtask 4: 9 / 9
• Subtask 5: 5 / 5
• Subtask 6: 11 / 11
• Subtask 7: 9 / 9
• Subtask 8: 11 / 11
• Subtask 9: 9 / 9
• Subtask 10: 16 / 16