Submission #774723

#	Time	Username	Problem	Language	Result	Execution time	Memory
774723		vjudge1	Stone Arranging 2 (JOI23_ho_t1)	C++17	100 / 100	324 ms	30488 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
#define dbg(x) cout << (#x) << " = " << x << endl
const ll maxn = 2e5 + 69;
ll a[maxn],b[maxn],n;
map<ll,ll> cnt,pre;
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n;
    for(int i = 1;i<=n;i++){
        cin >> a[i];
        b[i] = a[i];
        if(cnt[a[i]] == 0) cnt[a[i]] = i;
        if(cnt[a[i]]) pre[a[i]] = i;
    }
    ll pt = 1;
    while(pt <= n){
        if(pre[a[pt]]){
            ll temp = pt;
            while(pt != pre[a[temp]]){
                b[pt] = a[temp];
                pt++;
            }
            b[pt] = a[temp];
            pt++;
        }else pt++;
    }
    for(int i = 1;i<=n;i++) cout << b[i] << endl;
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40