oj.uz

Submission #1040319

# Submission time Handle Problem Language Result Execution time Memory
1040319 2024-08-01T01:00:45 Z vjudge1 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
0 / 100
 727 ms 262144 KB 
#include<bits/stdc++.h>
using namespace std;
long long n,m,a[1000006],rmx[30][1000006],vt[30][1000006];
void buildd()
{
	for(int i=1;i<=n;i++)
	{
		rmx[0][i]=a[i];
		vt[0][i]=i;
	}
	for(int i=1;i<=21;i++)
	{
		for(int j=1;j<=n;j++)
		{
			if(rmx[i-1][j]>=rmx[i-1][j+(1<<(i-1))])
			{
				rmx[i][j]=rmx[i-1][j];
				vt[i][j]=vt[i-1][j];
			}
			else
			{
				rmx[i][j]=rmx[i-1][j+(1<<(i-1))];
				vt[i][j]=vt[i-1][j+(1<<(i-1))];
			}
		}
	}
}
pair<int,int> getmx(long long l,long long r)
{
	long long k=__lg(r-l+1);
	if(rmx[k][l]>=rmx[k][r-(1<<k)+1])
	{
		return {rmx[k][l],vt[k][l]};
	}
	else return {rmx[k][r-(1<<k)+1],vt[k][r-(1<<k)+1]};
}
long long get(long long l,long long r,long long w)
{
	if(l==r)
	{
		if(a[l]!=w) return a[l];
		else return 0;
	}
	if(getmx(l,r).first!=w) return w;
	long long mid=(l+r)/2;
	return max(get(l,mid,w),get(mid+1,r,w));
}
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);cout.tie(0);
//	freopen(".inp","r",stdin);
//	freopen(".out","w",stdout);
	cin>>n>>m;
	for(int i=1;i<=n;i++)
	{
		cin>>a[i];
	}
	buildd();
	while(m--)
	{
		long long l,r,k;
		cin>>l>>r>>k;
		while(r>=l&&getmx(l,r).first==a[r])
		{
			r--;
		}
		if(r<l) cout<<1<<"\n";
		else
		{
			pair<long long,long long> p=getmx(l,r);
			long long h=get(p.second,r,p.first);
			if(p.first+h<=k)
			{
				cout<<1<<"\n";
			}
			else cout<<0<<"\n";
		}
		
	}
	return 0;
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Incorrect 1 ms 860 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Incorrect 1 ms 860 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 160 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 727 ms 37900 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Incorrect 1 ms 860 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Incorrect 1 ms 860 KB Output isn't correct
4 Halted 0 ms 0 KB -