oj.uz

Submission #378724

# Submission time Handle Problem Language Result Execution time Memory
378724 2021-03-17T03:34:01 Z iris2617 Gift (IZhO18_nicegift) C++14
30 / 100
 2000 ms 353424 KB 
#include<bits/stdc++.h>
#define int long long
#define matsuri pair<int,int>
#define iris 1000000007
using namespace std;

priority_queue<matsuri> pq;
int arr[1000010];
vector<vector<int> > ans;
vector<int> ouo;

signed main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	int n,k,i,a;
	
	cin>>n>>k;
	for(i=1;i<=n;i++)
	{
		cin>>arr[i];
		pq.push({arr[i],i});
	}
	while(pq.size()>=k)
	{
		ouo.clear();
		for(i=0;i<k;i++)
		{
			ouo.emplace_back(pq.top().second);
			pq.pop();
		}
		ans.emplace_back(ouo);
		for(int aoi:ouo)
		{
			arr[aoi]--;
			if(arr[aoi])
				pq.push({arr[aoi],aoi});
		}
	}
	if(pq.empty())
	{
		cout<<ans.size()<<'\n';
		for(auto sana:ans)
		{
			cout<<"1";
			for(int aoi:sana)
			{
				cout<<" "<<aoi;
			}
			cout<<'\n';
		}
	}
	else
	{
		cout<<"-1\n";
	}
	
	return 0;
}

Compilation message

nicegift.cpp: In function 'int main()':
nicegift.cpp:25:17: warning: comparison of integer expressions of different signedness: 'std::priority_queue<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   25 |  while(pq.size()>=k)
      |        ~~~~~~~~~^~~
nicegift.cpp:17:12: warning: unused variable 'a' [-Wunused-variable]
   17 |  int n,k,i,a;
      |            ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 396 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 364 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 364 KB n=2

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 396 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 364 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 364 KB n=2
7 Correct 1 ms 364 KB n=5
8 Correct 2 ms 1004 KB n=8
9 Correct 7 ms 1192 KB n=14
10 Correct 5 ms 1004 KB n=11
11 Correct 49 ms 5044 KB n=50000
12 Correct 34 ms 5092 KB n=50000
13 Correct 22 ms 3488 KB n=10
14 Correct 29 ms 3104 KB n=685
15 Correct 25 ms 3360 KB n=623
16 Correct 14 ms 1956 KB n=973

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 396 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 364 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 364 KB n=2
7 Correct 1 ms 364 KB n=5
8 Correct 2 ms 1004 KB n=8
9 Correct 7 ms 1192 KB n=14
10 Correct 5 ms 1004 KB n=11
11 Correct 49 ms 5044 KB n=50000
12 Correct 34 ms 5092 KB n=50000
13 Correct 22 ms 3488 KB n=10
14 Correct 29 ms 3104 KB n=685
15 Correct 25 ms 3360 KB n=623
16 Correct 14 ms 1956 KB n=973
17 Correct 24 ms 2724 KB n=989
18 Correct 11 ms 1260 KB n=563
19 Correct 17 ms 1772 KB n=592
20 Correct 18 ms 1644 KB n=938
21 Correct 16 ms 1516 KB n=747
22 Correct 15 ms 1516 KB n=991

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2111 ms 353424 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 396 KB n=4
2 Correct 1 ms 364 KB n=3
3 Correct 1 ms 364 KB n=3
4 Correct 1 ms 364 KB n=4
5 Correct 1 ms 364 KB n=4
6 Correct 1 ms 364 KB n=2
7 Correct 1 ms 364 KB n=5
8 Correct 2 ms 1004 KB n=8
9 Correct 7 ms 1192 KB n=14
10 Correct 5 ms 1004 KB n=11
11 Correct 49 ms 5044 KB n=50000
12 Correct 34 ms 5092 KB n=50000
13 Correct 22 ms 3488 KB n=10
14 Correct 29 ms 3104 KB n=685
15 Correct 25 ms 3360 KB n=623
16 Correct 14 ms 1956 KB n=973
17 Correct 24 ms 2724 KB n=989
18 Correct 11 ms 1260 KB n=563
19 Correct 17 ms 1772 KB n=592
20 Correct 18 ms 1644 KB n=938
21 Correct 16 ms 1516 KB n=747
22 Correct 15 ms 1516 KB n=991
23 Execution timed out 2111 ms 353424 KB Time limit exceeded
24 Halted 0 ms 0 KB -