Submission #57974

#	Time	Username	Problem	Language	Result	Execution time	Memory
57974		MatheusLealV	Cake (CEOI14_cake)	C++17	0 / 100	2074 ms	7956 KiB

cake

#include <bits/stdc++.h>
#define N 250050
#define f first
#define s second
using namespace std;
typedef pair<int, int> pii;
 
int n, a, v[N], ans[N], q;
 
inline void process()
{
	int st = a, en = a, cnt = 1;
 
	ans[a] = 0;
 
	while(st > 1 or en < n)
	{
		//cout<<st<<" "<<en<<'\n';
 
		if( (v[st - 1] > v[en + 1] and en < n) or st <= 1)
		{
			ans[en + 1] = cnt;
 
			en ++;
		}
 
		else ans[st - 1] = cnt, st --;
 
		cnt ++;
	}
 
	//for(int i = 1; i <= n; i++) cout<<ans[i]<<" \n"[i == n];
}

pii val[N];

void update(int id, int e, int tempo)
{
	val[id] = {(n - e + 1), tempo};
}

void query()
{
	int st = a, en = a, cnt = 1;
 
	ans[a] = 0;
 
	while(st > 1 or en < n)
	{ 
		//cout<<st<<" "<<en<<"\n";
		if( (val[st - 1] > val[en + 1] and en < n) or st <= 1)
		{
			ans[en + 1] = cnt;
 
			en ++;
		}
 
		else ans[st - 1] = cnt, st --;
 
		cnt ++;
	}	
}

int esq[N], dir[N];
 
int main()
{
	ios::sync_with_stdio(false); cin.tie(0);
 
	cin>>n>>a;
 
	for(int i = 1; i <= n; i++) cin>>v[i], val[i] = {v[i], 0};
 
	query();
 
	cin>>q;
 
	for(int i = 1; i <= q; i++)
	{
		char c; int a, b;
 
		cin>>c>>a;
 
		if(c == 'F')
		{
			query();

			cout<<ans[a]<<"\n";
		}
 
		else
		{
			cin>>b;
 
			update(a, b, i);
		}
	}
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50