Submission #260650

# Submission time Handle Problem Language Result Execution time Memory
260650 2020-08-10T16:07:12 Z uacoder123 Job Scheduling (CEOI12_jobs) C++14
97 / 100
632 ms 23800 KB
#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define FOR(i,a,b) for (auto i = (a); i <= (b); ++i)
#define NFOR(i,a,b) for(auto i = (a); i >= (b); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) lli(x.size())
#define mp(i,a) make_pair(i,a)
#define pb(a) push_back(a)
#define bit(x,b) (x&(1LL<<b))

typedef int lli;
typedef pair <lli,lli> ii;
typedef pair <lli,ii> iii;
typedef vector <lli> vi;
int n,m,d;
ii req[10000001];
vi da[100001];
int check(int no)
{
	int cur=1;
	for(int i=0;i<m;++i)
	{
		cur=max(cur,req[i].F);
		while(da[cur].size()>=no)
		{
			cur++;
			if(cur>n)
				return(0);
		}
		if(cur>n)
			return(0);
		if(cur-req[i].F>d)
			return(0);
		else
			da[cur].pb(req[i].S);
	}
}
void cl()
{
	for(int i=0;i<n;++i)
		da[i].clear();
}
int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cin>>n>>d>>m;
  for(int i=0;i<m;++i)
  {
  	cin>>req[i].F;
  	req[i].S=i+1;
  }
  sort(req,req+m);
  int l=1,r=m,ans=m;
  while(l<=r)
  {
  	int mi=(l+r)/2;
  	int ch=check(mi);
  	cl();
  	if(ch)
  	{
  		r=mi-1;
  		ans=mi;
  	}
  	else
  		l=mi+1;
  }
  cout<<ans<<endl;
  check(ans);
  for(int i=1;i<=n;++i)
  {
  	for(int j=0;j<da[i].size();++j)
  		cout<<da[i][j]<<' ';
  	cout<<0<<endl;
  }
  return(0);
}

Compilation message

jobs.cpp: In function 'int check(int)':
jobs.cpp:26:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(da[cur].size()>=no)
         ~~~~~~~~~~~~~~^~~~
jobs.cpp: In function 'int main()':
jobs.cpp:74:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0;j<da[i].size();++j)
                ~^~~~~~~~~~~~~
jobs.cpp: In function 'int check(int)':
jobs.cpp:39:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
# Verdict Execution time Memory Grader output
1 Correct 57 ms 4980 KB Output is correct
2 Correct 56 ms 4980 KB Output is correct
3 Correct 56 ms 4980 KB Output is correct
4 Correct 56 ms 4980 KB Output is correct
5 Correct 56 ms 4980 KB Output is correct
6 Correct 55 ms 4980 KB Output is correct
7 Correct 55 ms 4852 KB Output is correct
8 Correct 57 ms 4980 KB Output is correct
9 Correct 259 ms 5112 KB Output is correct
10 Correct 265 ms 5116 KB Output is correct
11 Correct 47 ms 4984 KB Output is correct
12 Correct 95 ms 7416 KB Output is correct
13 Correct 137 ms 10232 KB Output is correct
14 Correct 209 ms 13264 KB Output is correct
15 Partially correct 226 ms 14968 KB Partially correct
16 Correct 299 ms 17768 KB Output is correct
17 Correct 355 ms 21880 KB Output is correct
18 Correct 394 ms 21692 KB Output is correct
19 Correct 632 ms 23800 KB Output is correct
20 Correct 355 ms 22008 KB Output is correct