Submission #1125219

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125219		SulA	Stone Arranging 2 (JOI23_ho_t1)	C++20	100 / 100	161 ms	12620 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
//#pragma GCC target("popcnt")
using namespace __gnu_pbds;
using namespace std;
using ordered_set = tree<int, null_type, less_equal<>, rb_tree_tag, tree_order_statistics_node_update>;
#define popcount __builtin_popcountll
#define all(a) (a).begin(), (a).end()

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    int n; cin >> n;
    int a[n]; for (int& x : a) cin >> x;
    map<int,int> last;
    for (int i = 0; i < n; i++)
        last[a[i]] = i;
    auto paint = [&](int l, int r, int c) {
        for (int i = l; i <= r; i++)
            a[i] = c;
    };
    for (int i = 0; i < n; i = last[a[i]] + 1) {
        paint(i, last[a[i]], a[i]);
    }
    for (int x : a) cout << x << "\n";

}

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