Submission #847342

#	Time	Username	Problem	Language	Result	Execution time	Memory
847342		vjudge1	Job Scheduling (CEOI12_jobs)	C++11	0 / 100	259 ms	50792 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
#define int long long
int n,d,m;
vector<int> a,index_v,tmp_v,ans_v;
bool is_ok(int machine)
{
//	printf("machine=%d\n",machine);
	tmp_v.clear();
	bool x=false;
	int i=0,cnt=1;
	for(;cnt<=n;++cnt)
	{
//		printf("cnt=%d\n",cnt);
		int _m=machine;
		while(i<a.size()&&_m-->0) tmp_v.push_back(index_v[i++]);
		if(i==a.size()) {x=true;break;}
		tmp_v.push_back(0);
	}
	while(cnt++<=n) tmp_v.push_back(0);
	return x;
}
main()
{
	ios::sync_with_stdio(0),cin.tie(0);
	cin>>n>>d>>m;
	vector<pair<int,int>> tmp(m);
	for(int i=0;i<m;++i) cin>>tmp[i].first,tmp[i].second=i+1;
	sort(tmp.begin(),tmp.end());
	for(auto it:tmp) a.push_back(it.first),index_v.push_back(it.second);
//	for(auto it:a) cout<<it.num<<' '<<it.index<<'\n';
	int l=0,r=m+1,ans=m+1;
	while(l<=r)
	{
		int mid=(r-l)/2+l;
		if(is_ok(mid)) ans_v=tmp_v,ans=mid,r=mid-1;
		else l=mid+1;
	}
	cout<<ans<<'\n';
	for(auto it:ans_v)
	{
		cout<<it<<' ';
		if(it==0) cout<<'\n';
	}
	return 0;
}
/*
8 2 12
1 1 2 2 2 3 3 4 4 5 6 6

8 2 12
1 2 4 2 1 3 5 6 2 3 6 4

2
5 1 0
9 4 0
2 10 0
6 12 0
3 7 0
11 8 0
0
0
*/

Compilation message (stderr)

jobs.cpp: In function 'bool is_ok(long long int)':
jobs.cpp:16:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |   while(i<a.size()&&_m-->0) tmp_v.push_back(index_v[i++]);
      |         ~^~~~~~~~~
jobs.cpp:17:7: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |   if(i==a.size()) {x=true;break;}
      |      ~^~~~~~~~~~
jobs.cpp: At global scope:
jobs.cpp:23:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   23 | main()
      | ^~~~

• Subtask 1: 0 / 100