Submission #1085568

#	Time	Username	Problem	Language	Result	Execution time	Memory
1085568		vjudge1	Job Scheduling (CEOI12_jobs)	C++17	100 / 100	279 ms	17080 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
int n,m,k;
vector<int>v[100001];
bool check(int x)
{
    int t=v[1].size(),l=1;
    for(int i=1;i<=k;i++)
    {
        int temp=x;
        if(l+m<i)
        {
            return false;
        }
        while(l<=i)
        {
            if(t<=temp)
            {
                l++;
                temp-=t;
                t=v[l].size();
            }
            else
            {
                t-=temp;
                break;
            }
        }
    }
    if(l!=k+1)
    {
        return false;
    }
    return true;
}
int main()
{
    int a;
    cin>>k>>m>>n;
    for(int i=0;i<n;i++)
    {
        cin>>a;
        v[a].push_back(i+1);
    }
    int l=1,r=n;
    while(l<r)
    {
        int mid=(l+r)/2;
        if(check(mid))
        {
            r=mid;
        }
        else
        {
            l=mid+1;
        }
    }
    cout<<r<<endl;
    l=1;
    int t=v[1].size(),lx=0;
    for(int i=1;i<=k;i++)
    {
          int temp=r;
          while(l<=i)
          {
            if(t<=temp)
            {
                for(int j=lx;j<v[l].size();j++)
                {
                    cout<<v[l][j]<<" ";
                }
                l++;
                lx=0;
                temp-=t;
                t=v[l].size();
            }
            else
            {
                for(int j=lx;j<lx+temp;j++)
                {
                    cout<<v[l][j]<<" ";
                }
                lx+=temp;
                t-=temp;
                break;
            }
          }
          cout<<"0"<<endl;
    }
    return 0;
}

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:68:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |                 for(int j=lx;j<v[l].size();j++)
      |                              ~^~~~~~~~~~~~

• Subtask 1: 100 / 100