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Submission #292981

# Submission time Handle Problem Language Result Execution time Memory
292981 2020-09-07T15:19:14 Z Pajaraja Gift (IZhO18_nicegift) C++17
30 / 100
 2000 ms 16168 KB 
#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n,k,t,cnt=0,sum=0,mx=-1;
	scanf("%d%d",&n,&k);
	priority_queue<pair<int,int> > pq,pq1;
	for(int i=0;i<n;i++) {scanf("%d",&t); mx=max(mx,t); sum+=t; pq.push(make_pair(t,i+1)); pq1.push(make_pair(t,i+1));}
	while(pq.size()>=k)
	{
		stack<pair<int,int> > st;
		for(int i=0;i<k;i++) {st.push(pq.top()); pq.pop();}
		for(int i=0;i<k;i++) {st.top().first--; if(st.top().first!=0) pq.push(st.top()); st.pop();}
		cnt++;
	}
	if((sum-mx)<(k-1)*mx) {printf("-1"); return 0;}
	printf("%d\n",cnt);
	while(pq1.size()>=k)
	{
		printf("1 ");
		stack<pair<int,int> > st;
		for(int i=0;i<k;i++) {st.push(pq1.top()); pq1.pop();}
		for(int i=0;i<k;i++) {st.top().first--; if(st.top().first!=0) pq1.push(st.top()); printf("%d ",st.top().second); st.pop();}
		printf("\n");
	}
}

Compilation message

nicegift.cpp: In function 'int main()':
nicegift.cpp:9:17: warning: comparison of integer expressions of different signedness: 'std::priority_queue<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    9 |  while(pq.size()>=k)
      |        ~~~~~~~~~^~~
nicegift.cpp:18:18: warning: comparison of integer expressions of different signedness: 'std::priority_queue<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |  while(pq1.size()>=k)
      |        ~~~~~~~~~~^~~
nicegift.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    6 |  scanf("%d%d",&n,&k);
      |  ~~~~~^~~~~~~~~~~~~~
nicegift.cpp:8:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |  for(int i=0;i<n;i++) {scanf("%d",&t); mx=max(mx,t); sum+=t; pq.push(make_pair(t,i+1)); pq1.push(make_pair(t,i+1));}
      |                        ~~~~~^~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB n=4
2 Correct 0 ms 256 KB n=3
3 Correct 1 ms 256 KB n=3
4 Correct 0 ms 256 KB n=4
5 Correct 1 ms 256 KB n=4
6 Correct 1 ms 256 KB n=2

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB n=4
2 Correct 0 ms 256 KB n=3
3 Correct 1 ms 256 KB n=3
4 Correct 0 ms 256 KB n=4
5 Correct 1 ms 256 KB n=4
6 Correct 1 ms 256 KB n=2
7 Correct 0 ms 256 KB n=5
8 Correct 2 ms 256 KB n=8
9 Correct 10 ms 384 KB n=14
10 Correct 7 ms 384 KB n=11
11 Correct 65 ms 2152 KB n=50000
12 Correct 65 ms 2156 KB n=50000
13 Correct 34 ms 768 KB n=10
14 Correct 39 ms 768 KB n=685
15 Correct 41 ms 888 KB n=623
16 Correct 25 ms 640 KB n=973

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB n=4
2 Correct 0 ms 256 KB n=3
3 Correct 1 ms 256 KB n=3
4 Correct 0 ms 256 KB n=4
5 Correct 1 ms 256 KB n=4
6 Correct 1 ms 256 KB n=2
7 Correct 0 ms 256 KB n=5
8 Correct 2 ms 256 KB n=8
9 Correct 10 ms 384 KB n=14
10 Correct 7 ms 384 KB n=11
11 Correct 65 ms 2152 KB n=50000
12 Correct 65 ms 2156 KB n=50000
13 Correct 34 ms 768 KB n=10
14 Correct 39 ms 768 KB n=685
15 Correct 41 ms 888 KB n=623
16 Correct 25 ms 640 KB n=973
17 Correct 37 ms 760 KB n=989
18 Correct 17 ms 512 KB n=563
19 Correct 30 ms 888 KB n=592
20 Correct 28 ms 760 KB n=938
21 Correct 21 ms 640 KB n=747
22 Correct 24 ms 632 KB n=991

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2076 ms 16168 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB n=4
2 Correct 0 ms 256 KB n=3
3 Correct 1 ms 256 KB n=3
4 Correct 0 ms 256 KB n=4
5 Correct 1 ms 256 KB n=4
6 Correct 1 ms 256 KB n=2
7 Correct 0 ms 256 KB n=5
8 Correct 2 ms 256 KB n=8
9 Correct 10 ms 384 KB n=14
10 Correct 7 ms 384 KB n=11
11 Correct 65 ms 2152 KB n=50000
12 Correct 65 ms 2156 KB n=50000
13 Correct 34 ms 768 KB n=10
14 Correct 39 ms 768 KB n=685
15 Correct 41 ms 888 KB n=623
16 Correct 25 ms 640 KB n=973
17 Correct 37 ms 760 KB n=989
18 Correct 17 ms 512 KB n=563
19 Correct 30 ms 888 KB n=592
20 Correct 28 ms 760 KB n=938
21 Correct 21 ms 640 KB n=747
22 Correct 24 ms 632 KB n=991
23 Execution timed out 2076 ms 16168 KB Time limit exceeded
24 Halted 0 ms 0 KB -