Submission #30894

# Submission time Handle Problem Language Result Execution time Memory
30894 2017-07-31T12:50:39 Z Navick medians (balkan11_medians) C++14
60 / 100
99 ms 13116 KB
#include <bits/stdc++.h>
#define F first
#define S second
#define pii pair<int, int>
#define pb push_back

using namespace std;

typedef long long ll;
typedef long double ld;

const int N = 2e5 + 10;

set<int> st;

int a[N], b[N];

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n; cin >> n;
	for(int i=1; i<2*n; i++)
		st.insert(i);

	for(int i=0; i<n; i++){
		cin >> a[i];
		if(i == 0){
			b[i] = a[i];
			st.erase(a[i]);
		}
		else{
			if(st.find(a[i]) != st.end()){
				if(a[i] > a[i - 1]){
					b[2*i] = a[i];
					st.erase(a[i]);
					b[2*i - 1] = *(st.rbegin());
					st.erase(*st.rbegin());
				}else if(a[i] < a[i - 1]){
					b[2*i] = a[i];
					st.erase(a[i]);
					b[2*i - 1] = *(st.begin());
					st.erase(st.begin());
				}
			}
			else{
				if(a[i] == a[i - 1]){
					b[2*i] = *st.begin();
					st.erase(st.begin());
					b[2*i - 1] = *(st.rbegin());
					st.erase(*st.rbegin());
				}else if(a[i] < a[i - 1]){
					b[2*i] = *st.begin();
					st.erase(st.begin());
					b[2*i - 1] = *st.begin();
					st.erase(st.begin());
				}else{
					b[2*i] = *st.rbegin();
					st.erase(*st.rbegin());
					b[2*i - 1] = *st.rbegin();
					st.erase(*st.rbegin());
				}
			}
			
		}
	}
	for(int i=0; i<2*n - 1; i++)
		cout << b[i] << ' '; cout << endl;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3744 KB Output is correct
2 Correct 0 ms 3744 KB Output is correct
3 Correct 0 ms 3744 KB Output is correct
4 Correct 0 ms 3744 KB Output is correct
5 Correct 0 ms 3744 KB Output is correct
6 Correct 0 ms 3744 KB Output is correct
7 Correct 0 ms 3744 KB Output is correct
8 Correct 0 ms 3744 KB Output is correct
9 Correct 0 ms 3744 KB Output is correct
10 Correct 0 ms 3744 KB Output is correct
11 Correct 0 ms 3744 KB Output is correct
12 Correct 0 ms 3744 KB Output is correct
13 Runtime error 0 ms 3744 KB Execution killed because of forbidden syscall writev (20)
# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 3876 KB Execution killed because of forbidden syscall writev (20)
2 Runtime error 3 ms 4140 KB Execution killed because of forbidden syscall writev (20)
3 Runtime error 3 ms 4404 KB Execution killed because of forbidden syscall writev (20)
4 Runtime error 13 ms 5196 KB Execution killed because of forbidden syscall writev (20)
5 Runtime error 26 ms 6648 KB Execution killed because of forbidden syscall writev (20)
6 Runtime error 53 ms 9684 KB Execution killed because of forbidden syscall writev (20)
7 Runtime error 99 ms 13116 KB Execution killed because of forbidden syscall writev (20)