Submission #93987

#	Time	Username	Problem	Language	Result	Execution time	Memory
93987		Rakhmand	Job Scheduling (CEOI12_jobs)	C++14	100 / 100	338 ms	27432 KiB

jobs

#include <cstring>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <queue>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cassert>

#define ios ios_base::sync_with_stdio(0), cout.tie(0), cin.tie(0);
#define S second
#define F first
#define pb push_back
#define nl '\n'
#define NL cout << '\n';
#define EX exit(0)
#define all(s) s.begin(), s.end()
#define FOR(i, start, finish, k) for(int i = start; i <= finish; i += k)

const long long MXN = 1e6 + 1;
const long long MNN = 1e5 + 1;
const long long MOD = 998244353;
const long long INF = 1e18;
const long long OO = 1e9 + 500;

typedef long long llong;
typedef unsigned long long ullong;

using namespace std;

int n, d, m;
vector<int> v[MNN];
queue<pair<int, int> > t;
vector<int> ans[MNN];

bool isEnough(int x){
	queue<pair<int, int> > test;
	test = t;
	for(int i = 1; i <= n; i++){
		int cnt = x;
		while(!test.empty() && cnt != 0){
			pair<int, int> j = test.front();
			if(j.F + d < i){
				return false;
			}if(j.F > i){
				break;
			}if(i <= j.F + d){
				test.pop();
				cnt--;
			}
		}
	}return true;
}

int main(){
	ios;
	cin >> n >> d >> m;
	for(int i = 1; i <= m; i++){
		int x;
		cin >> x;
		v[x].pb(i);
	}for(int i = 1; i <= n; i++){
		for(int j = 0; j < v[i].size(); j++){
			t.push({i, v[i][j]});
		}
	}int l = 1, r = MXN;
	while(r - l > 1){
		int mid = (r + l) / 2;
		if(isEnough(mid)){
			r = mid;
		}else{
			l = mid;
		}
	}int ans = (isEnough(l) == true ? l : r);
	cout << ans << nl;
	for(int i = 1; i <= n; i++){
		int cnt = ans;
		while(!t.empty() && cnt != 0){
			pair<int, int> j = t.front();
			if(j.F > i){
				break;
			}if(i <= j.F + d){
				cout << j.S << ' ';
				t.pop();
				cnt--;
			}
		}cout << 0 << nl;
	}
	return 0;
}

/*
8 2 12
1 2 4 2 1 3 5 6 2 3 6 4
 
*/

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:76:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j = 0; j < v[i].size(); j++){
                  ~~^~~~~~~~~~~~~

• Subtask 1: 100 / 100