oj.uz

Submission #76850

# Submission time Handle Problem Language Result Execution time Memory
76850 2018-09-18T16:14:37 Z zetapi Gift (IZhO18_nicegift) C++14
30 / 100
 2000 ms 104296 KB 
#include "bits/stdc++.h"
using namespace std;

#define pb  push_back
#define mp  make_pair
#define	int long long
#define itr iterator

typedef pair<int,int> pii;

const int MAX=5e6;

set<pii> st;

set<pii>::itr it_1,it_2;

vector<int> res;

int N,K,sum,arr[MAX];

void print_1()
{
	assert(!(st.size()%K));
	while(!st.empty())
	{	
		res.pb(st.begin()->second);
		st.erase(st.begin());
	}
	cout<<res.size()/K<<"\n";
	for(int A=0;A<res.size();A+=K)
	{
		cout<<1<<" ";
		for(int B=A;B<A+K;B++)
			cout<<res[B]<<" ";
		cout<<"\n";
	}
	return ;
}

signed main()
{
	ios_base::sync_with_stdio(false);

	cin>>N>>K;
	for(int A=1;A<=N;A++)
	{
		cin>>arr[A];
		sum+=arr[A];
		if(arr[A])
			st.insert(mp(-arr[A],A));
	}
	if(sum%K)
		return cout<<-1,0;
	vector<pii> lol(K);
	while(true)
	{
		if(st.size()<K)
			return cout<<-1,0;
		if(st.begin()->first==-1)
		{
			print_1();
			break;
		}
		for(int A=0;A<K;A++)
		{
			lol[A]=*st.begin();
			st.erase(st.begin());
		}
		for(int A=0;A<K;A++)
		{
			lol[A].first++;
			if(lol[A].first!=0)
				st.insert(lol[A]);
			res.pb(lol[A].second);
		}
		/*for(auto A:st)
			cout<<-A.first<<" ";
		cout<<"\n";*/
	}
	return 0;
}

Compilation message

nicegift.cpp: In function 'void print_1()':
nicegift.cpp:30:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int A=0;A<res.size();A+=K)
              ~^~~~~~~~~~~
nicegift.cpp: In function 'int main()':
nicegift.cpp:57:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(st.size()<K)
      ~~~~~~~~~^~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=4
2 Correct 2 ms 468 KB n=3
3 Correct 2 ms 476 KB n=3
4 Correct 2 ms 492 KB n=4
5 Correct 2 ms 532 KB n=4
6 Correct 2 ms 704 KB n=2

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=4
2 Correct 2 ms 468 KB n=3
3 Correct 2 ms 476 KB n=3
4 Correct 2 ms 492 KB n=4
5 Correct 2 ms 532 KB n=4
6 Correct 2 ms 704 KB n=2
7 Correct 2 ms 704 KB n=5
8 Correct 4 ms 964 KB n=8
9 Correct 9 ms 964 KB n=14
10 Correct 6 ms 964 KB n=11
11 Correct 45 ms 5708 KB n=50000
12 Correct 49 ms 5720 KB n=50000
13 Correct 27 ms 5720 KB n=10
14 Correct 27 ms 5720 KB n=685
15 Correct 29 ms 5720 KB n=623
16 Correct 18 ms 5720 KB n=973

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=4
2 Correct 2 ms 468 KB n=3
3 Correct 2 ms 476 KB n=3
4 Correct 2 ms 492 KB n=4
5 Correct 2 ms 532 KB n=4
6 Correct 2 ms 704 KB n=2
7 Correct 2 ms 704 KB n=5
8 Correct 4 ms 964 KB n=8
9 Correct 9 ms 964 KB n=14
10 Correct 6 ms 964 KB n=11
11 Correct 45 ms 5708 KB n=50000
12 Correct 49 ms 5720 KB n=50000
13 Correct 27 ms 5720 KB n=10
14 Correct 27 ms 5720 KB n=685
15 Correct 29 ms 5720 KB n=623
16 Correct 18 ms 5720 KB n=973
17 Correct 40 ms 5720 KB n=989
18 Correct 18 ms 5720 KB n=563
19 Correct 28 ms 5720 KB n=592
20 Correct 24 ms 5720 KB n=938
21 Correct 18 ms 5720 KB n=747
22 Correct 22 ms 5720 KB n=991

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2049 ms 104296 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=4
2 Correct 2 ms 468 KB n=3
3 Correct 2 ms 476 KB n=3
4 Correct 2 ms 492 KB n=4
5 Correct 2 ms 532 KB n=4
6 Correct 2 ms 704 KB n=2
7 Correct 2 ms 704 KB n=5
8 Correct 4 ms 964 KB n=8
9 Correct 9 ms 964 KB n=14
10 Correct 6 ms 964 KB n=11
11 Correct 45 ms 5708 KB n=50000
12 Correct 49 ms 5720 KB n=50000
13 Correct 27 ms 5720 KB n=10
14 Correct 27 ms 5720 KB n=685
15 Correct 29 ms 5720 KB n=623
16 Correct 18 ms 5720 KB n=973
17 Correct 40 ms 5720 KB n=989
18 Correct 18 ms 5720 KB n=563
19 Correct 28 ms 5720 KB n=592
20 Correct 24 ms 5720 KB n=938
21 Correct 18 ms 5720 KB n=747
22 Correct 22 ms 5720 KB n=991
23 Execution timed out 2049 ms 104296 KB Time limit exceeded
24 Halted 0 ms 0 KB -