oj.uz

Submission #331160

# Submission time Handle Problem Language Result Execution time Memory
331160 2020-11-27T15:45:48 Z Sho10 medians (balkan11_medians) C++14
100 / 100
 97 ms 12268 KB 
#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho10
#define ll long long
#define double long double
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define all(a) (a).begin(), (a).end()
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000007
#define PI 3.14159265359
#define MAXN 100005
#define INF 1000000005
#define LINF 1000000000000000005ll
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
int n,b[1000005],ans[2000005],l,r;
map<int,int>viz;
void mn(int pos){
while(viz[l]){
    l++;
}
ans[pos]=l;
viz[l]=1;
}
void mx(int pos){
while(viz[r]){
    r--;
}
ans[pos]=r;
viz[r]=1;
}
int32_t main(){
CODE_START
cin>>n;
for(int i=1;i<=n;i++)
{
    cin>>b[i];
}
ans[1]=b[1];
viz[b[1]]=1;
 l=1,r=2*n-1;
for(int i=2;i<=n;i++)
{
    if(b[i]==b[i-1]){
        mn(2*i-2);
        mx(2*i-1);
    }else if(b[i]>b[i-1]){
    if(viz[b[i]]==0){
        ans[2*i-2]=b[i];
        viz[b[i]]=1;
        mx(2*i-1);
    }else {
    mx(2*i-2);
    mx(2*i-1);
    }
}else {
if(viz[b[i]]==0){
    ans[2*i-2]=b[i];
    viz[b[i]]=1;
    mn(2*i-1);
}else {
mn(2*i-2);
mn(2*i-1);
}
}
}
for(int i=1;i<=2*n-1;i++)
{
    cout<<ans[i]<<' ';
}
cout<<endl;
}

Subtask #1
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct

Subtask #2
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 620 KB Output is correct
2 Correct 5 ms 876 KB Output is correct
3 Correct 7 ms 1260 KB Output is correct
4 Correct 15 ms 2284 KB Output is correct
5 Correct 31 ms 4076 KB Output is correct
6 Correct 75 ms 7916 KB Output is correct
7 Correct 97 ms 12268 KB Output is correct