Submission #917849

#	Time	Username	Problem	Language	Result	Execution time	Memory
917849		oblantis	Job Scheduling (CEOI12_jobs)	C++17	7 / 100	1073 ms	45088 KiB

jobs

#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define all(v) v.begin(), v.end()
#define pb push_back
#define ss second
#define ff first
#define vt vector
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int, int> pii;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
const int inf = 1e9;
const int mod = 1e9+7;
const int maxn = 1e5 + 2;
int cnt[maxn];
int ls[maxn], a[maxn];
void solve() {
	int n, d, m;
	cin >> n >> d >> m;
	for(int i = 0; i < m; i++){
		int x;
		cin >> x;
		a[i] = ls[x];
		ls[x] = i;
		cnt[x]++;
	}
	int l = -1, r = 1000001;
	while(l + 1 < r){
		bool ok = 1;
		int mid = l + (r - l) / 2, xl = 1, ex = 0;
		for(int i = 1; i <= n; i++){
			if(i - xl > d){
				ok = 0;
				break;
			}
			ex += mid;
			while(xl <= i && cnt[xl] <= ex){
				ex -= cnt[xl];
				xl++;
			}
		}
		if(ok)r = mid;
		else l = mid;
	}
	cout << r << '\n';
	int xl = 1, ex = 0;
	for(int i = 1; i <= n; i++){
		ex = r;
		while(ex){
			while(xl <= i && cnt[xl] == 0)xl++;
			if(!cnt[xl])break;
			cout << 1 + ls[xl] << ' ';
			ex--;
			ls[xl] = a[ls[xl]];
			cnt[xl]--;
		}
		cout << "0\n";
	}
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int times = 1;
	//cin >> times;
	for(int i = 1; i <= times; i++) {
		solve();
	}
	return 0;
}

• Subtask 1: 7 / 100