Submission #862116

# Submission time Handle Problem Language Result Execution time Memory
862116 2023-10-17T14:19:36 Z vjudge1 Job Scheduling (CEOI12_jobs) C++14
85 / 100
217 ms 39068 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(long long int)':
jobs.cpp:13:10: 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]
   13 |    if(ptr>=a.size()) return true;
      |       ~~~^~~~~~~~~~
jobs.cpp:19:13: 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]
   19 |  return (ptr>=a.size());
      |          ~~~^~~~~~~~~~
jobs.cpp: In function 'void yes(long long int)':
jobs.cpp:28:10: 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]
   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()
      | ^~~~
# Verdict Execution time Memory Grader output
1 Correct 17 ms 4552 KB Output is correct
2 Correct 17 ms 4804 KB Output is correct
3 Correct 17 ms 4548 KB Output is correct
4 Correct 18 ms 4636 KB Output is correct
5 Correct 17 ms 4540 KB Output is correct
6 Correct 17 ms 4552 KB Output is correct
7 Correct 17 ms 4552 KB Output is correct
8 Correct 18 ms 4644 KB Output is correct
9 Correct 28 ms 4800 KB Output is correct
10 Correct 32 ms 4808 KB Output is correct
11 Correct 24 ms 4544 KB Output is correct
12 Correct 47 ms 8888 KB Output is correct
13 Correct 74 ms 14260 KB Output is correct
14 Correct 116 ms 18196 KB Output is correct
15 Correct 117 ms 21160 KB Output is correct
16 Correct 147 ms 27836 KB Output is correct
17 Runtime error 172 ms 32936 KB Memory limit exceeded
18 Runtime error 189 ms 35388 KB Memory limit exceeded
19 Runtime error 217 ms 39068 KB Memory limit exceeded
20 Correct 175 ms 31388 KB Output is correct