Submission #1049338

# Submission time Handle Problem Language Result Execution time Memory
1049338 2024-08-08T16:40:13 Z vjudge1 Job Scheduling (CEOI12_jobs) C++17
0 / 100
113 ms 7312 KB
#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pld pair<ld, ld>
#define pb push_back
#define fi first
#define se second
#define debug(x) cout << #x << " => " << x << endl
#define all(x) x.begin(),x.end()

int n,d,m;
pii a[1000010];

bool ok(int x)
{
	int t=0,i=0,cnt=0,mx=0;
	while(i<m)
	{
		while(i<m && cnt!=x && a[i].fi<=t) i++,cnt++,mx=max(mx,t+d);
		cnt=0;
		t++;
	}
	return mx<=n;
}

int main()
{
	ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
	cin>>n>>d>>m;
	for(int i=0;i<m;i++) cin>>a[i].fi;
	for(int i=0;i<m;i++) a[i].se=i;
	sort(a,a+m);
	int l=1,r=m,ans=m;
	while(l<=r)
	{
		int mid=(l+r)/2;
		if(ok(mid)) r=mid-1,ans=mid;
		else l=mid+1;
	}
	cout<<ans<<'\n';
	// int t=1,i=0,cnt=0;
	// while(i<m)
	// {
	// 	while(i<m && cnt!=ans && a[i].fi<=t)
	// 	{
	// 		cout<<a[i].se+1<<' ';
	// 		i++,cnt++;
	// 	}
	// 	cnt=0;
	// 	t++;
	// 	cout<<"0\n";
	// }
	// while(t<=n) 
	// {
	// 	t++;
	// 	cout<<"0\n";
	// }
	return 0;
}
# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 2652 KB Output isn't correct
2 Incorrect 5 ms 2692 KB Output isn't correct
3 Incorrect 8 ms 2696 KB Output isn't correct
4 Incorrect 6 ms 2652 KB Output isn't correct
5 Incorrect 6 ms 2652 KB Output isn't correct
6 Incorrect 5 ms 2700 KB Output isn't correct
7 Incorrect 6 ms 2652 KB Output isn't correct
8 Incorrect 6 ms 2652 KB Output isn't correct
9 Incorrect 11 ms 2692 KB Output isn't correct
10 Incorrect 11 ms 2652 KB Output isn't correct
11 Incorrect 11 ms 2652 KB Output isn't correct
12 Incorrect 23 ms 2652 KB Output isn't correct
13 Incorrect 35 ms 4740 KB Output isn't correct
14 Incorrect 49 ms 4744 KB Output isn't correct
15 Incorrect 57 ms 4740 KB Output isn't correct
16 Incorrect 72 ms 6740 KB Output isn't correct
17 Incorrect 86 ms 6748 KB Output isn't correct
18 Incorrect 113 ms 6780 KB Output isn't correct
19 Incorrect 107 ms 7312 KB Output isn't correct
20 Incorrect 85 ms 6528 KB Output isn't correct