Submission #862100

# Submission time Handle Problem Language Result Execution time Memory
862100 2023-10-17T14:08:27 Z vjudge1 Job Scheduling (CEOI12_jobs) C++14
90 / 100
370 ms 38284 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)
{
//	printf("machine=%d\n",machine);
	int ptr=0;
	for(int day=1;day<=n;++day)
	{
		for(int i=0;i<machine;++i)
		{
//			printf("ptr=%d\n",ptr);
			if(ptr>=a.size()) return true;
			if(a[ptr]>day) break;
			if(a[ptr]+d<day)
			{
//				printf("{%d,%d},FALSE0\n",a[ptr]+d,day);
				return false;
			}
			++ptr;
		}
	}
	return (ptr>=a.size());
}
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;
	}
	assert(n*ans>=m);
	cout<<ans<<'\n';
	int ptr=0;
	for(int i=0;i<n;++i)
	{
		for(int j=0;j<ans;++j) if(ptr<index_v.size()) cout<<index_v[ptr++]<<' ';
		cout<<0<<'\n';
	}
	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:15:10: 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]
   15 |    if(ptr>=a.size()) return true;
      |       ~~~^~~~~~~~~~
jobs.cpp:25:13: 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]
   25 |  return (ptr>=a.size());
      |          ~~~^~~~~~~~~~
jobs.cpp: At global scope:
jobs.cpp:27:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   27 | main()
      | ^~~~
jobs.cpp: In function 'int main()':
jobs.cpp:47:32: 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]
   47 |   for(int j=0;j<ans;++j) if(ptr<index_v.size()) cout<<index_v[ptr++]<<' ';
      |                             ~~~^~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 324 ms 4708 KB Output is correct
2 Correct 321 ms 4548 KB Output is correct
3 Correct 330 ms 4708 KB Output is correct
4 Correct 370 ms 4708 KB Output is correct
5 Correct 324 ms 4700 KB Output is correct
6 Correct 350 ms 4708 KB Output is correct
7 Correct 326 ms 4552 KB Output is correct
8 Correct 332 ms 4716 KB Output is correct
9 Correct 320 ms 4796 KB Output is correct
10 Correct 309 ms 4800 KB Output is correct
11 Correct 32 ms 4568 KB Output is correct
12 Correct 45 ms 8788 KB Output is correct
13 Correct 68 ms 14512 KB Output is correct
14 Correct 99 ms 17836 KB Output is correct
15 Correct 114 ms 21288 KB Output is correct
16 Correct 147 ms 26048 KB Output is correct
17 Correct 164 ms 30868 KB Output is correct
18 Runtime error 188 ms 37532 KB Memory limit exceeded
19 Runtime error 264 ms 38284 KB Memory limit exceeded
20 Correct 180 ms 32684 KB Output is correct