Submission #1285540

#	Time	Username	Problem	Language	Result	Execution time	Memory
1285540		xnoel	Job Scheduling (CEOI12_jobs)	C++20	25 / 100	316 ms	13696 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
int n,delay,m; 
map<int,int> mp;
vector<pair<int,int>> vp;

bool alg(int x){
    if (n*x<m) return false;
    int preday=0,leftover=0;
    for (auto [day,count]: mp){
        leftover= max(leftover+count-(day-preday)*x,0);
        if (leftover>x*delay) return false;
        preday=day;
    }
    return true;
}

int main(){
    //freopen("1.in","r",stdin);  
    cin>>n>>delay>>m;

    for (int i=0;i<m;i++) {
        int day;
        cin>>day;
        mp[day]++;
        vp.push_back({day,i+1});
    }
    sort(vp.begin(),vp.end());

    // for (auto x: mp) cout<<x.first<<" "<<x.second<<"\n";
    // cout<<"\n";

    int low=1,high=m;
    while (low<high){
        int mid=(low+high)/2;
        if (alg(mid)) high=mid;
        else low=mid+1;
    }
    cout<<low<<"\n";
    for (int i=0;i<n;i++){
        for (int j=0;j<low;j++){
            int idx=i*low+j;
            if (idx>=m) {
                break;
            }
            cout<<vp[idx].second<<" ";
        }
        cout<<"0\n";
    }
}

• Subtask 1: 25 / 100