Submission #569173

#	Time	Username	Problem	Language	Result	Execution time	Memory
569173		gcconure	Job Scheduling (CEOI12_jobs)	C++17	5 / 100	371 ms	65536 KiB

jobs

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
ll n,d,m; 
vector<pair<ll,ll>> v;

array<vector<ll>,100001> arr;
bool ok(ll dd){
    auto copy=v;
    for(ll i = 0; i < 100001; i++){
        arr[i]={};
    }
    ll day = 0;
    ll done=0;
    bool works=true;
    while(done<m){
        if(day==n){
            works=false;
            break;
        }
        for(ll i = 0; i < min(ll(v.size()+1),ll(dd)); i++){
            arr[day].push_back(v.back().second);
            v.pop_back();
        }  
        day++;
        done+=dd;
    }
    v=copy;
    return works;
}

int main(){
    cin >> n >> d >> m;
    
    
    for(ll i = 0; i < m; i++){
        ll x; cin >> x;
        v.push_back({x,i});
    }
    
    sort(v.rbegin(), v.rend());
    
    ll l = 1,r=m;
    
    array<vector<ll>,100001> cur;
    while(l<r){
        ll mid = (l+r)/2;
        if(ok(mid)){
            cur=arr;
            r=mid;
        }
        else{
            l=mid+1;
        }
    }
    
    cout << l << "\n";
    
    int counter = 0;
    for(vector<ll> vv:cur){
        if(counter==n){
            break;
        }
        for(ll i:vv){
            cout << i+1 << " ";
        }
        cout << 0 << "\n";
        counter++;
    }
}

• Subtask 1: 5 / 100