Submission #581654

#	Time	Username	Problem	Language	Result	Execution time	Memory
581654		updown1	Job Scheduling (CEOI12_jobs)	C++17	60 / 100	1093 ms	7244 KiB

jobs

#include <bits/stdc++.h>
 
using namespace std;
using ll = int;
ll n,d,m; 
pair<int, int> v[1000000];
 
bool ok(ll dd){
    ll day = 1, w = 0;
    while(day<=n){
        for(ll i = 0; i < dd; i++){
            w++;
            if(w==m) {
                return true;
            }
            if(day>v[w].first+d){
                return false;
            }
            if(day<v[w].first){
                w--;
            }
        }
        day++;
    }
    return false;
}
 
int main(){
  ios_base::sync_with_stdio(0); cin.tie(0);
 
    cin >> n >> d >> m;
    
    
    for(ll i = 0; i < m; i++){
        cin >> v[i].first;
        v[i].second = i;
    }
    
    sort(v, v+m);
    
    ll l = 1,r=m;
    
    while(l<r){
        ll mid = (l+r)/2;
        if(ok(mid)){
            r=mid;
        }
        else{
            l=mid+1;
        }
    }
    ll counter=0;
    ll cur = 0;
    cout << l << "\n";
    while(cur<m){
        counter++;
        for(ll i = 0; i < l; i++){
            cout << v[cur].second+1 << " ";
            cur++;
            if(cur==m){
                break;
            }
        }
        cout << "0\n";
    }
   
    for(ll i = 0; i < n-counter; i++){
        cout << 0 << "\n";
    }
}

• Subtask 1: 60 / 100