Submission #672991

#	Time	Username	Problem	Language	Result	Execution time	Memory
672991		sudheerays123	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	182 ms	17352 KiB

jobs

#include<bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define ll long long int
const ll N = 100+5 , INF = 1e18 , MOD = 1e9+7;

void solve(){

	ll n,d,m;
	cin >> n >> d >> m;

	vector<pair<ll,ll>> a(m+5);
	for(ll i = 1; i <= m; i++){
		cin >> a[i].first;
		a[i].second = i;
	}

	sort(a.begin()+1,a.begin()+m+1);

	ll low = 1 , high = m;
	ll ans;

	while(low <= high){

		ll mid = (low+high)/2;
		vector<ll> cur[n+5];
		bool possible = true;

		ll machine = mid , day = 1;

		for(ll i = 1; i <= m;){
			if(machine){
				if(day > n){
					possible = false;
					break;
				}
				if(day > a[i].first+d){
					possible = false;
					break;
				}

				machine--;
				i++;
			}
			else{
				machine = mid;
				day++;
			}
		}

		if(possible){
			ans = mid;
			high = mid-1;
		}
		else low = mid+1;
	}

	cout << ans << "\n";

	// ll cur = 1;
	// for(ll i = 1; i <= n; i++){
	// 	for(ll j = (i-1)*ans+1; j <= min(i*ans,m); j++){
	// 		cout << a[j].second << " ";
	// 	}
	// 	cout << "0\n";
	// }
}

int main(){

	fast;

	ll tc = 1;
	// cin >> tc;
	while(tc--) solve();

	return 0;
}

• Subtask 1: 0 / 100