Submission #1085544

#	Time	Username	Problem	Language	Result	Execution time	Memory
1085544		vjudge1	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	233 ms	26928 KiB

jobs

#include <bits/stdc++.h>
 
using namespace std;
 
int n, d, m;
vector<pair<int,int> > v;
vector<vector<int> > rez;
 
bool ok(int masini) {
    int baranje=0;
    vector<vector<int> > raspored(n+1);
    for (int den=1;den<=n;den++) {
        for (int i=0;i<masini;i++) {
            if (v[baranje].first>den)
                break;
            if (v[baranje].first+d<den)
                return false;
            raspored[den].push_back(v[baranje].second);
            baranje++;
            if (baranje==m) {
                rez=raspored;
                return true;
            }
        }
    }
    return false;
}
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> d >> m;
    v.resize(m);
    for (int i=0;i<m;i++) {
        cin >> v[i].first;
        v[i].second=i+1;
    }
    sort(v.begin(), v.end());
    int l=0, r=m;
    while (l+1<r) {
        int mid=(l+r)/2;
        if (ok(mid)) r=mid;
        else l=mid;
    }
    cout << r << '\n';
    for (int i=1;i<rez.size();i++) {
        for (auto x:rez[i])
            cout << x << " ";
        cout << "0" << '\n';
    }
 
    return 0;
}

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:47:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |     for (int i=1;i<rez.size();i++) {
      |                  ~^~~~~~~~~~~

• Subtask 1: 100 / 100