Submission #769058

#	Time	Username	Problem	Language	Result	Execution time	Memory
769058		danikoynov	Stone Arranging 2 (JOI23_ho_t1)	C++14	100 / 100	221 ms	19144 KiB

Main

#include<bits/stdc++.h>
#define endl '\n'

using namespace std;
typedef long long ll;

void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}

const int maxn = 2e5 + 10;

int n, a[maxn], b[maxn];
map < int, pair < int, int > > mp;
void solve()
{
    cin >> n;
    for (int i = 1; i <= n; i ++)
        cin >> a[i];

        stack < int > st;
    for (int i = 1; i <= n; i ++)
    {
        if (mp[a[i]].first == 0)
        {
            mp[a[i]] = {i, i};
            st.push(a[i]);
            continue;
        }
        while(st.top() != a[i])
        {
            mp[st.top()] = {0, 0};
            st.pop();
        }
        mp[a[i]].second = i;
    }

    for (pair < int, pair < int, int > > cur : mp)
    {
        for (int i = cur.second.first; i <= cur.second.second; i ++)
            b[i] = cur.first;
    }

    for (int i = 1; i <= n; i ++)
        cout << b[i] << endl;

}

int main()
{
    solve();
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:21:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   21 |     for (int i = 1; i <= n; i ++)
      |     ^~~
Main.cpp:24:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   24 |         stack < int > st;
      |         ^~~~~

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