Submission #1073244

#	Time	Username	Problem	Language	Result	Execution time	Memory
1073244		Glitch00	Job Scheduling (CEOI12_jobs)	C++17	90 / 100	294 ms	20816 KiB

jobs

#include <bits/stdc++.h>

#define int long long
#define ll long long
using namespace std;
int dx[8] = {1, 0, -1, 0, -1, 1, -1, 1};
int dy[8] = {0, 1, 0, -1, -1, 1, 1, -1};
int n,d,m;
vector<pair<int,int>>v;

bool can(int md){
    int cnt = 0;
    int day = 1;
    bool ok = 1;
    for(int i=0 ; i<m ; i++){
        if(day<v[i].first)day = v[i].first;
        if(day-v[i].first>d){
            ok = 0;
            break;
        }
        cnt++;
        if(cnt==md)day++,cnt=0;
    }
    if(!ok)return ok;
    if(day<=n || (day==n+1 && cnt==0))return 1;
    return 0;
}

void solve() {
    cin>>n>>d>>m;
    v = vector<pair<int,int>>(m);
    for(int i=0 ; i<m ; i++){
        cin>>v[i].first;
        v[i].second=i+1;
    }
    std::sort(v.begin(), v.end());
    int l =1 , r=1e9;
    int best = -1;
    while(l<=r){
        int md = (l+r)>>1;
        if(can(md)){
            best = md;
            r = md - 1;
        }else l = md + 1;
    }
    int j = 0;
    cout<<best<<endl;
    for(int i=0 ; i<n ; i++){
        for(int w = j ; w<min(j+best,m) ; w++){
            cout<<v[w].second<<" ";
        }
        cout<<0<<endl;
        j+=best;
    }
}

int32_t main() {

    ios_base::sync_with_stdio(false),
            cout.tie(nullptr),
            cin.tie(nullptr);
    int t = 1;
//    cin >> t;
    while (t--) {
        solve();
        cout << endl;
    }
    return 0;
}

• Subtask 1: 90 / 100