oj.uz

Submission #862139

# Submission time Handle Problem Language Result Execution time Memory
862139 2023-10-17T14:34:24 Z vjudge1 Job Scheduling (CEOI12_jobs) C++14
100 / 100
 205 ms 21088 KB 
#include <bits/stdc++.h>
using namespace std;
//#define int long long
int n,d,m;
vector<int> a,index_v;
bool is_ok(int machine)
{
	int ptr=0;
	for(int day=1;day<=n;++day)
	{
		for(int i=0;i<machine;++i)
		{
			if(ptr>=a.size()) return true;
			if(a[ptr]>day) break;
			if(a[ptr]+d<day) return false;
			++ptr;
		}
	}
	return (ptr>=a.size());
}
void yes(int machine)
{
	int ptr=0;
	for(int day=1;day<=n;++day)
	{
		for(int i=0;i<machine;++i)
		{
			if(ptr>=index_v.size()||a[ptr]>day) break;
			cout<<index_v[ptr++]<<' ';
		}
		cout<<0<<'\n';
	}
}
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);
	int l=0,r=1e9,ans=1e9;
	while(l<=r)
	{
		int mid=(r-l)/2+l;
		if(is_ok(mid)) ans=mid,r=mid-1;
		else l=mid+1;
	}
	cout<<ans<<'\n';
	yes(ans);
	return 0;
}
/*
8 2 12
1 2 4 2 1 3 5 6 2 3 6 4
*/

Compilation message

jobs.cpp: In function 'bool is_ok(int)':
jobs.cpp:13:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |    if(ptr>=a.size()) return true;
      |       ~~~^~~~~~~~~~
jobs.cpp:19:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |  return (ptr>=a.size());
      |          ~~~^~~~~~~~~~
jobs.cpp: In function 'void yes(int)':
jobs.cpp:28:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |    if(ptr>=index_v.size()||a[ptr]>day) break;
      |       ~~~^~~~~~~~~~~~~~~~
jobs.cpp: At global scope:
jobs.cpp:34:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   34 | main()
      | ^~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2768 KB Output is correct
2 Correct 16 ms 2764 KB Output is correct
3 Correct 20 ms 2768 KB Output is correct
4 Correct 17 ms 2768 KB Output is correct
5 Correct 19 ms 2764 KB Output is correct
6 Correct 20 ms 2772 KB Output is correct
7 Correct 21 ms 2648 KB Output is correct
8 Correct 16 ms 2768 KB Output is correct
9 Correct 26 ms 3024 KB Output is correct
10 Correct 26 ms 3024 KB Output is correct
11 Correct 22 ms 2768 KB Output is correct
12 Correct 44 ms 5096 KB Output is correct
13 Correct 67 ms 7292 KB Output is correct
14 Correct 93 ms 9652 KB Output is correct
15 Correct 115 ms 11884 KB Output is correct
16 Correct 160 ms 16744 KB Output is correct
17 Correct 160 ms 17316 KB Output is correct
18 Correct 182 ms 18588 KB Output is correct
19 Correct 205 ms 21088 KB Output is correct
20 Correct 161 ms 17836 KB Output is correct