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Submission #926989

# Submission time Handle Problem Language Result Execution time Memory
926989 2024-02-14T06:22:10 Z blacktulip Table Tennis (info1cup20_tabletennis) C++17
0 / 100
 12 ms 2908 KB 
#include <bits/stdc++.h>

using namespace std;

#define ort ((bas+son)/2)
#define int long long
#define endl "\n"

int n,k,a[150005],ind;

inline bool check(int l,int r,int sum){
	int say=0;
	while(l<r){
		if(a[l]+a[r]==sum){
			l++;
			r--;
			say++;
		}
		else if(a[l]+a[r]<sum){
			ind=l;
			l++;
		}
		else{
			ind=r;
			r--;
		}
	}
	if(say==n/2)return 1;
	return 0;
}

int32_t main(void){
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	cin>>n>>k;
	for(int i=1;i<=n;i++)cin>>a[i];
	if(check(1,n,a[1]+a[n])){
		for(int i=1;i<ind;i++)cout<<i<<" ";
		for(int i=ind+1;i<=n;i++)cout<<i<<" ";
		return 0;
	}
	if(check(1,n-1,a[1]+a[n-1])){
		for(int i=1;i<n;i++)cout<<i<<" ";
		return 0;
	}
	if(check(2,n,a[2]+a[n])){
		for(int i=2;i<=n;i++)cout<<i<<" ";
		return 0;
	}
	return 0;
}

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 596 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 2908 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output not subsequence of input
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output not subsequence of input
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output not subsequence of input
2 Halted 0 ms 0 KB -

Subtask #7
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output not subsequence of input
2 Halted 0 ms 0 KB -

Subtask #8
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output not subsequence of input
2 Halted 0 ms 0 KB -