Submission #157719

#	Time	Username	Problem	Language	Result	Execution time	Memory
157719		a_player	Job Scheduling (CEOI12_jobs)	C++14	54 / 100	912 ms	20344 KiB

jobs

#include <bits/stdc++.h>
#define f first
#define se second

using namespace std;

int N,M,D;
pair<int,int> s[1000001];
vector<int> st[100001];
bool check(int T){
  if(T>=M)return true;
  if(T==0)return false;
  int j=0;
    for(int i=0;i<M;i++){
      if(i%T==0)j++;
      j=max(j,s[i].f);
      if(s[i].f+D<j)return false;
    }
     return true;
}
int main(){
  cin>>N>>D>>M;
  for(int i=0;i<M;i++){
    cin>>s[i].f;
    s[i].se=i+1;
  }
  sort(s,s+M);
  int x=-1;
  for(int b=M;b>=1;b/=2)
  while(!check(x+b))x+=b;

  cout<<x+1<<endl;
  x++;
  int j=0;
    for(int i=0;i<M;i++){
      if(i%x==0)j++;
      j=max(j,s[i].f);
      if(s[i].f+D>=j)st[j].push_back(s[i].se);
    }
    for(int i=0;i<N;i++){
    for(int z=0;z<st[i].size();z++)cout<<st[i][z]<<" ";
    cout<<0<<endl;
  }
}

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:41:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int z=0;z<st[i].size();z++)cout<<st[i][z]<<" ";
                 ~^~~~~~~~~~~~~

• Subtask 1: 54 / 100