#include<bits/stdc++.h>
#define pb push_back
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int maxn=1e6+3;
const int mod=1e9+7;
int n;
int b[maxn];
vector<int> a;
bool used[maxn];
ll nm=0, ng;
int nai_malko(){
while(used[nm]){
nm++;
}
used[nm]=true;
return nm;
}
int nai_golqmo(){
while(used[ng]){
ng--;
}
used[ng]=true;
return ng;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>n;
for(int i=0; i<=2*n+1; i++){
used[i]=false;
}
ng=2*n;
used[nm]=used[ng]=true;
for(int i=1; i<=n; i++){
cin>>b[i];
}
a.pb(b[1]);
used[b[1]]=true;
for(int i=2; i<=n; i++){
used[b[i]]=true;
if(b[i-1]==b[i]){
int x=nai_malko();
int y=nai_golqmo();
a.pb(x);
a.pb(y);
}
if(b[i]>b[i-1]){
int seg=nai_golqmo();
a.pb(b[i]);
a.pb(seg);
}
if(b[i]<b[i-1]){
int seg=nai_malko();
a.pb(b[i]);
a.pb(seg);
}
}
for(int i: a){
cout<<i<<" ";
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Not a permutation |
2 |
Incorrect |
1 ms |
212 KB |
Not a permutation |
3 |
Incorrect |
0 ms |
212 KB |
Not a permutation |
4 |
Incorrect |
1 ms |
212 KB |
Not a permutation |
5 |
Incorrect |
1 ms |
212 KB |
Not a permutation |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Incorrect |
1 ms |
212 KB |
Not a permutation |
8 |
Incorrect |
0 ms |
212 KB |
Not a permutation |
9 |
Incorrect |
0 ms |
212 KB |
Not a permutation |
10 |
Incorrect |
1 ms |
340 KB |
Not a permutation |
11 |
Incorrect |
1 ms |
340 KB |
Not a permutation |
12 |
Incorrect |
1 ms |
340 KB |
Not a permutation |
13 |
Incorrect |
1 ms |
340 KB |
Not a permutation |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
340 KB |
Not a permutation |
2 |
Incorrect |
2 ms |
468 KB |
Not a permutation |
3 |
Incorrect |
3 ms |
596 KB |
Not a permutation |
4 |
Incorrect |
5 ms |
852 KB |
Not a permutation |
5 |
Incorrect |
10 ms |
1368 KB |
Not a permutation |
6 |
Incorrect |
19 ms |
2100 KB |
Not a permutation |
7 |
Incorrect |
27 ms |
3064 KB |
Not a permutation |