Submission #1146581

#	Time	Username	Problem	Language	Result	Execution time	Memory
1146581		Rawlat_vanak	September (APIO24_september)	C++20	100 / 100	232 ms	19136 KiB

september

#include <bits/stdc++.h>
#include "september.h"
using namespace std;
//#define int long long
#define speedIO ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
//#define mod 1000000007
#define f first
#define s second
#define pii pair<int,int>
#define pb push_back

vector<vector<int>> graph;
vector<int> super,mpos;

void dfs(int u, int p){
	super[u]=mpos[u];
	for(int v:graph[u]){
		if(v==p) continue;
		dfs(v,u);
		super[u]=max(super[u],super[v]);
	}
}

int solve(int n, int m, vector<int> f, vector<vector<int>> s){
	graph.clear();
	graph.resize(n+1);
	super.clear();
	super.resize(n,-1);
	mpos.clear();
	mpos.resize(n+1);
	for(int i=1;i<n;i++){
		graph[i].pb(f[i]);
		graph[f[i]].pb(i);
	}
	for(int i=0;i<m;i++){
		for(int j=0;j<n-1;j++){
			mpos[s[i][j]]=max(mpos[s[i][j]],j);
		}
	}
	dfs(0,-1);
	int day=0;
	int idx=0;
	int right=0;
	while(idx<n-1){
		day++;
		right=super[s[0][idx]];
		while(idx<=right){
			for(int j=0;j<m;j++){
				right=max(right,super[s[j][idx]]);
			}
			idx++;
		}

	}
	return day;
		
}

• 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