Submission #453172

#	Time	Username	Problem	Language	Result	Execution time	Memory
453172		Khizri	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	372 ms	23184 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
//------------------------------DEFINE------------------------------
//******************************************************************
#define IOS ios_base::sync_with_stdio(false); cin.tie(0),cout.tie(0)
#define ll long long
#define pb push_back		 
#define F first																 
#define S second 															 
#define INF 1e18
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pii pair<int,int>
#define pll pair<ll,ll>
#define OK cout<<"Ok"<<endl;
#define MOD (ll)(1e9+7)
#define endl "\n"
//******************************************************************
//----------------------------FUNCTION------------------------------
//******************************************************************
ll gcd(ll a,ll b){
	if(a>b) swap(a,b);
	if(a==0) return a+b;
	return gcd(b%a,a);
}
ll lcm(ll a,ll b){
	return a/gcd(a,b)*b;
}
bool is_prime(ll n){
	ll k=sqrt(n);
	if(n==2) return true;
	if(n<2||n%2==0||k*k==n) return false;
	for(int i=3;i<=k;i+=2){
		if(n%i==0){
			return false;
		}
	}
	return true;
}
//*****************************************************************
//--------------------------MAIN-CODE------------------------------
const int mxn=1e6+5;
ll t=1,n,d,m;
vector<pll>arr;
vector<ll>vt[100005];
bool check(ll k){
	ll x=1,say=0;
	for(int i=0;i<arr.size();i++){
		if(arr[i].F>x){
			x=arr[i].F;
			say=1;
		}
		else{
			say++;
			if(x-arr[i].F>d){
				return false;
			}
		}
		if(say>=k){
			say=0;
			x++;
		}
	}
	return true;
}
void f(int k){
	ll say=0,ind=0;
	for(ll x=1;x<=n;x++){
		say=0;
		while(ind<m&&arr[ind].F<=x&&say<k){
			cout<<arr[ind].S<<' ';
			ind++;
			say++;
		}
		cout<<0<<endl;
	}
}
void solve(){
	cin>>n>>d>>m;
	for(int i=1;i<=m;i++){
		int q;
		cin>>q;
		arr.pb({q,i});
	}
	sort(all(arr));
	ll l=0,r=1e7,ans=10000000;
	while(l<=r){
		ll mm=(l+r)/2;
		if(check(mm)){
			r=mm-1;
			ans=min(ans,mm);
		}
		else{
			l=mm+1;
		}
	}
	cout<<ans<<endl;
	f(ans);
}
int main(){
	IOS;
	//cin>>t;
	while(t--){
		solve();
	}
	return 0;
}

Compilation message (stderr)

jobs.cpp: In function 'bool check(long long int)':
jobs.cpp:48:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |  for(int i=0;i<arr.size();i++){
      |              ~^~~~~~~~~~~

• Subtask 1: 100 / 100