Submission #580671

#	Time	Username	Problem	Language	Result	Execution time	Memory
580671		vqpahmad	Job Scheduling (CEOI12_jobs)	C++14	40 / 100	271 ms	13776 KiB

jobs

#include <bits/stdc++.h>
#define ll long long
#define endl '\n'
#define all(a) a.begin(),a.end()
#define mod (ll)(10000007)
using namespace std;
const int mx = 1e6 + 15;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n,d,m;
    cin >> n >> d >> m;
    vector<pair<int,int>> a(m);
    for (int i=0;i<m;i++){
        int x;
        cin >> x;
        a[i] = {x,i+1};
    }
    sort(all(a));

    int s = 0,e=m;
    int ans = m;
    while (s<=e){
        int mid = (s+e)/2;
        int i = 0;
        int day = 1;
        while (i<m){
            int up = upper_bound(all(a),make_pair(day,INT_MAX))-a.begin();
            i = min(i+mid,up);
            day++;
            if (day==n+1) break;
        }
        if (i==m){
            ans = mid;
            e = mid - 1;
        }
        else s = mid + 1;
    }
    cout << ans << endl;
    int cur = 0;
    for (int i=1;i<=n;i++){
        int up = upper_bound(all(a),make_pair(i,INT_MAX))-a.begin();
        int t = cur+ans;
        t = min(m,t);
        for (;cur<t;cur++){
            if (a[cur].first>i) break;
            cout << a[cur].second << ' ';
        }
        cout << 0 << endl;
    }

}

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:45:13: warning: unused variable 'up' [-Wunused-variable]
   45 |         int up = upper_bound(all(a),make_pair(i,INT_MAX))-a.begin();
      |             ^~

• Subtask 1: 40 / 100