Submission #1271191

#	Time	Username	Problem	Language	Result	Execution time	Memory
1271191		hoangtien69	Stone Arranging 2 (JOI23_ho_t1)	C++20	Compilation error	0 ms	0 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define pii pair<int, ll>
const ll MAXN = 1e5 + 5;
#define ll long long
map<ll, pii> segment;
unordered_map<ll, set<int>> color;
ll n;
ll a[MAXN];
ll ans[MAXN];

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
    }
    for (int i = 1; i <= n; i++)
    {
        ll col = a[i];
        if (i == 1)
        {
            segment[1] = {1, col};
            color[col].insert(1);
        }
        else
        {
            if (color[col].empty())
            {
                segment[i] = {i, col};
                color[col].insert(i);
            }
            else
            {
                auto it = color[col].end();
                it--;
                ll laststart = *it;
                ll lastend = segment[laststart].first;
                ll j = lastend;
                if (j == i - 1)
                {
                    segment[laststart] = {i, col};
                }
                else
                {
                    auto pos = segment.lower_bound(j + 1);
                    vector<ll> del;
                    while(pos != segment.end() and pos->first <= i - 1)
                    {
                        del.push_back(pos->first);
                        pos++;
                    }
                    for (ll start : del)
                    {
                        ll c2 = segment[start].second;
                        segment.erase(start);
                        color[c2].erase(start);
                    }
                    segment[j + 1] = {i, col};
                    color[col].insert(j + 1);
                }
            }
        }
    }
    for (auto cak : segment)
    {
        ll s = cak.first;
        ll e = cak.second.first;
        ll c = cak.second.second;
        for (ll k = s; k <= e; k++)
        {
            ans[k] = c;
        }
    }
    for (int i = 1; i <= n; i++)
    {
        cout << ans[i] << "\n";
    }
}

Compilation message (stderr)

Main.cpp:4:7: error: 'll' does not name a type
    4 | const ll MAXN = 1e5 + 5;
      |       ^~
Main.cpp:4:7: note: the macro 'll' had not yet been defined
Main.cpp:5: note: it was later defined here
    5 | #define ll long long
      | 
Main.cpp:9:6: error: 'MAXN' was not declared in this scope
    9 | ll a[MAXN];
      |      ^~~~
Main.cpp:10:8: error: 'MAXN' was not declared in this scope
   10 | ll ans[MAXN];
      |        ^~~~
Main.cpp: In function 'int main()':
Main.cpp:20:16: error: 'a' was not declared in this scope
   20 |         cin >> a[i];
      |                ^
Main.cpp:24:18: error: 'a' was not declared in this scope
   24 |         ll col = a[i];
      |                  ^
Main.cpp:76:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   76 |             ans[k] = c;
      |             ^~~
      |             abs
Main.cpp:81:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   81 |         cout << ans[i] << "\n";
      |                 ^~~
      |                 abs