Submission #1041899

#	Time	Username	Problem	Language	Result	Execution time	Memory
1041899		vjudge1	Nekameleoni (COCI15_nekameleoni)	C++17	42 / 140	3064 ms	20828 KiB

nekameleoni

#include <bits/stdc++.h>

using namespace std;

int main()
{
	int n,k,m;
	cin>>n>>k>>m;
	int pre[n+1][k]={},a[n+1];
	for (int i=0;i<n;i++)
	{
		cin>>a[i+1];
		a[i+1]--;
		for (int j=0;j<k;j++)
			pre[i+1][j]=pre[i][j];
		pre[i+1][a[i+1]]++;
	}
	while (m--)
	{
		int t;
		cin>>t;
		if (t==1)
		{
			int p,x;
			cin>>p>>x;
			x--;
			for (int i=p;i<=n;i++)
				pre[i][a[p]]--,pre[i][x]++;
			a[p]=x;
		}
		else
		{
			int s=0,e=n+1;
			while (s+1<e)
			{
				int mid=(s+e)/2;
				bool b=0;
				for (int i=0;i+mid<=n && !b;i++)
				{
					int ct=0;
					for (int j=0;j<k;j++)
						ct+=(pre[i+mid][j]-pre[i][j]>0);
					if (ct==k)
						b=1;
				}
				if (b)
					e=mid;
				else
					s=mid;
			}
			if (e==n+1)
				e=-1;
			cout<<e<<endl;
		}
	}
	
	return 0;
}

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 14 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 14
• Subtask 6: 0 / 14
• Subtask 7: 0 / 14
• Subtask 8: 0 / 14
• Subtask 9: 0 / 14
• Subtask 10: 0 / 14