Submission #1062293

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062293		Kiet07	Job Scheduling (CEOI12_jobs)	C++14	100 / 100	180 ms	17136 KiB

jobs

#include<bits/stdc++.h>
using namespace std;
int n,m,d;
pair<int,int>a[1000005];
bool check(int x)
{
	int j=1;
	for(int days=1;days<=n;days++)
	{
		for(int i=1;i<=x;i++)
		{
			if(days>=a[j].first)
			{
				if(days<=a[j].first+d)
				{
					j++;
					if(j==m+1)return true;
				}
				else
				{
					return false;
				}
			}
			else
			{
				break;
			}
		}
	}
	return false;
}
int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	//freopen("TEST.inp","r",stdin);
	cin>>n>>d>>m;
	for(int i=1;i<=m;i++)
	{
		cin>>a[i].first;
		a[i].second=i;
	}
	sort(a+1,a+m+1);
	int l=1,r=1000000,ans=r;
	while(l<=r)
	{
		int mid=(l+r)/2;
		if(check(mid))
		{
			ans=mid;
			r=mid-1;
		}
		else
		{
			l=mid+1;
		}
	}
	cout<<ans<<'\n';
	int j=1;
	for(int days=1;days<=n;days++)
	{
		if(j<=m)
		{
			for(int i=1;i<=ans;i++)
			{
				if(days>=a[j].first&&days<=a[j].first+d)
				{
					cout<<a[j].second<<' ';
					j++;
					if(j==m+1)
					{
						break;
					}
				}
			}
		}
		cout<<0<<'\n';
	}
	return 0;
}

• Subtask 1: 100 / 100