# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
30895 | Navick | medians (balkan11_medians) | C++14 | 129 ms | 12956 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#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(){
int n; scanf("%d", &n);
for(int i=1; i<2*n; i++)
st.insert(i);
for(int i=0; i<n; i++){
scanf("%d", a + i);
if(i == 0){
printf("%d ", a[i]);
st.erase(a[i]);
}
else{
if(st.find(a[i]) != st.end()){
if(a[i] > a[i - 1]){
printf("%d ", a[i]);
st.erase(a[i]);
printf("%d ", *(st.rbegin()));
st.erase(*st.rbegin());
}else if(a[i] < a[i - 1]){
printf("%d ", a[i]);
st.erase(a[i]);
printf("%d ", *(st.begin()));
st.erase(st.begin());
}
}
else{
if(a[i] == a[i - 1]){
printf("%d ", *st.begin());
st.erase(st.begin());
printf("%d ", *(st.rbegin()));
st.erase(*st.rbegin());
}else if(a[i] < a[i - 1]){
printf("%d ", *st.begin());
st.erase(st.begin());
printf("%d ", *st.begin());
st.erase(st.begin());
}else{
printf("%d ", *st.rbegin());
st.erase(*st.rbegin());
printf("%d ", *st.rbegin());
st.erase(*st.rbegin());
}
}
}
}
}
Compilation message (stderr)
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