Submission #990858

#	Time	Username	Problem	Language	Result	Execution time	Memory
990858		yanb	Stone Arranging 2 (JOI23_ho_t1)	C++14	0 / 100	0 ms	348 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define int long long

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

    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; i++) cin >> a[i];

    vector<int> nxt(n);
    map<int, int> last;
    for (int i = n - 1; i >= 0; i--) {
        nxt[i] = (last[a[i]] ? last[a[i]] : -1);
        last[a[i]] = i;
    }

    int i = 0;
    while (i < n) {
        int x = i;
        for (; i < nxt[x]; i++) {
            a[i] = a[x];
        }
        i++;
    }

    for (int i = 0; i < n; i++) cout << a[i] << " ";
    cout << "\n";
}   

• Subtask 1: 0 / 25
• Subtask 2: 0 / 35
• Subtask 3: 0 / 40