Submission #791936

#	Time	Username	Problem	Language	Result	Execution time	Memory
791936		matu	Job Scheduling (CEOI12_jobs)	C++14	55 / 100	183 ms	14544 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
const int M = 1e6 + 1;
int n, d, m;
vector<pair<int, int>> v(M);

int main(){
    cin.tie(0)->sync_with_stdio(0);
    cin >> n >> d >> m;
    for(int i = 1; i <= m; i++){
        cin >> v[i].first;
        v[i].second = i;
    }
    sort(v.begin() + 1, v.begin() + 1 + m);
    auto ok =  [&](int nrb){
        vector<int> zd;
        int st = 1, dr = 1;
        for(int i = 1; i <= n && st <= m && dr <= m; i++){
            while(dr <= m && v[dr].first == i){
                dr++;
            }
            dr--;
            st += nrb;
            if(st > m){
                return 1;
            }
            dr = max(dr, st);
            if(v[st].first + d <= i){
                return 0;
            }
        }
        return 1;
    };
    auto pr =  [&](int nrb, int pl){
        vector<int> zd;
        int st = 1, dr = 1;
        for(int i = 1; i <= n; i++){
            while(dr <= m && v[dr].first == i){
                dr++;
            }
            dr--;
            for(int j = st; j < st + nrb; j++){
                if(j > m) break;
                cout << v[j].second << " ";
            }
            cout << 0 << '\n';
            st += nrb;
            dr = max(dr, st);
        }
        return;
    };
    int st = 1, dr = 1e9;
    while(st <= dr){
        int tm = (st + dr) / 2;
        if(ok(tm)){
            dr = tm - 1;
        }else st = tm + 1;
    }

    cout << st << '\n';
    pr(st, 1);
}

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

• Subtask 1: 55 / 100