oj.uz

답안 #567949

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
567949 2022-05-24T11:45:47 Z imObscure Job Scheduling (CEOI12_jobs) C++17
100 / 100
 241 ms 20772 KB 
#include <bits/stdc++.h>

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

#define indexed_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>

typedef long long ll;
using namespace std;

int xor1(int n){ if (n % 4 == 0) return n; if (n % 4 == 1) return 1; if (n % 4 == 2) return n + 1; return 0;}
template <class T> bool ckmin(T &a, const T &b) { return b < a ? a = b, 1 : 0; }
template <class T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }
ll mod=1e9 + 7;
#define test ll t;cin>>t;while(t--)
#define mp make_pair
#define all(a) a.begin(),a.end()
#define pb push_back
#define re(i,n) for(ll i=0;i<n;i++)
#define reb(i,n) for(ll i=n-1;i>=0;i--)
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<ll> vll;
typedef vector<int> vi;
typedef vector<string> vs;
typedef map<ll,int> ml;
typedef map<char,ll> mc;
typedef map<string,ll> ms;
typedef vector<pair<ll,ll>> vpl;
#define fi first
#define se second

using namespace std::chrono;



int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);

  ll n,d,m; cin>>n>>d>>m;
  vpl v(m);
  re(i,m){
  	cin>>v[i].fi;
  	
  	v[i].se=i+1;
  }
  
  sort(all(v));
  
  auto chk=[&](ll x){
  	ll day=1,cnt=0;
  	re(i,m){
  		
  		while(day<=n && v[i].fi>day){day++; cnt=0;}
  		
  		if(day>n)return 0;
        if(cnt==x){
        	cnt=0;
        	day++;
        }
        if(day>n)return 0;
  		cnt++;
  		if((v[i].fi+d)<(day)){
  			return 0;
  		} 
  	}
  	return 1;
  };
  
  // for(auto x:v)cout<<x.fi<<" ";
  // cout<<'\n';
  
  ll lo=1,hi=m,ans=0;
  
  while(lo<hi){
  	ll mid=(lo+hi)/2;
  	//cout<<mid<<'\n';
  	if(chk(mid)){
  		ans=mid;
  		hi=mid;
  	}
  	else lo=mid+1;
  }
  
  cout<<lo<<'\n';
  int it=0;
  re(i,n){
  	int cnt=0;
  	while(it<m){
  		cnt++;
  		cout<<v[it].se<<" ";
  		it++;
  		if(cnt==lo)break;
  	}
  	cout<<"0\n";
  	
  }

 	return 0;
 }

Compilation message

jobs.cpp: In function 'int main()':
jobs.cpp:76:16: warning: variable 'ans' set but not used [-Wunused-but-set-variable]
   76 |   ll lo=1,hi=m,ans=0;
      |                ^~~

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 2516 KB Output is correct
2 Correct 19 ms 2472 KB Output is correct
3 Correct 18 ms 2416 KB Output is correct
4 Correct 17 ms 2408 KB Output is correct
5 Correct 17 ms 2512 KB Output is correct
6 Correct 16 ms 2516 KB Output is correct
7 Correct 19 ms 2408 KB Output is correct
8 Correct 18 ms 2416 KB Output is correct
9 Correct 34 ms 2764 KB Output is correct
10 Correct 25 ms 2660 KB Output is correct
11 Correct 24 ms 2444 KB Output is correct
12 Correct 51 ms 4740 KB Output is correct
13 Correct 89 ms 6928 KB Output is correct
14 Correct 105 ms 9292 KB Output is correct
15 Correct 130 ms 11540 KB Output is correct
16 Correct 166 ms 13800 KB Output is correct
17 Correct 180 ms 16020 KB Output is correct
18 Correct 209 ms 18352 KB Output is correct
19 Correct 241 ms 20772 KB Output is correct
20 Correct 186 ms 16156 KB Output is correct