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Submission #1040333

# Submission time Handle Problem Language Result Execution time Memory
1040333 2024-08-01T01:28:21 Z vjudge1 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
0 / 100
 3000 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-(1<<i)+1;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 -1;
	}
	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<<endl;
		else
		{
			bool kt=true;
			for(int i=r-1;i>=l;i--)
			{
//				pair<long long,long long> p=getmx(i,r);
				long long h=get(i,r,a[i]);
//				cout<<a[i]<<' '<<h<<endl;
				if(a[i]+h<=k)
				{
					continue;
				}
				else 
				{
					kt=false;
				}
			}
			cout<<kt<<endl;
		}
		
	}
	return 0;
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 6 ms 604 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 6 ms 604 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 161 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 Execution timed out 3032 ms 25988 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 6 ms 604 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 6 ms 604 KB Output isn't correct
4 Halted 0 ms 0 KB -