Submission #1144726

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1144726	2025-02-03 15:39:54	Muaath_5	Cake (CEOI14_cake)	C++20	Compilation error	0 ms	0 KiB

cake

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define ll long long
#define int ll
#define pii pair<int, int>
const int N = 5e5+1;
// Use template for ordered_set to avoid namespace issues
template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
int n, a, d[N];
#define seg pii
seg tree[4*N];
seg INF = {1e9, 1e9};
// Update function with proper indentation
void update(int idx, seg val, int l = 1, int r = n, int node = 1) {
    if (l == r) {
        tree[node] = val;
        return;
    }
    const int mid = (l + r) / 2;
 
 
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Compilation message (stderr)

cake.cpp: In function 'void update(long long int, std::pair<long long int, long long int>, long long int, long long int, long long int)':
cake.cpp:27:9: error: reference to 'tree' is ambiguous
   27 |         tree[node] = val;
      |         ^~~~
In file included from cake.cpp:2:
/usr/include/c++/11/ext/pb_ds/assoc_container.hpp:635:9: note: candidates are: 'template<class Key, class Mapped, class Cmp_Fn, class Tag, template<class Node_CItr, class Node_Itr, class Cmp_Fn_, class _Alloc_> class Node_Update, class _Alloc> class __gnu_pbds::tree'
  635 |   class tree : public PB_DS_TREE_BASE
      |         ^~~~
cake.cpp:21:5: note:                 'std::pair<long long int, long long int> tree [2000004]'
   21 | seg tree[4*N];
      |     ^~~~
cake.cpp:36:5: error: reference to 'tree' is ambiguous
   36 |     tree[node] = min(tree[node * 2], tree[node * 2 + 1]);
      |     ^~~~
In file included from cake.cpp:2:
/usr/include/c++/11/ext/pb_ds/assoc_container.hpp:635:9: note: candidates are: 'template<class Key, class Mapped, class Cmp_Fn, class Tag, template<class Node_CItr, class Node_Itr, class Cmp_Fn_, class _Alloc_> class Node_Update, class _Alloc> class __gnu_pbds::tree'
  635 |   class tree : public PB_DS_TREE_BASE
      |         ^~~~
cake.cpp:21:5: note:                 'std::pair<long long int, long long int> tree [2000004]'
   21 | seg tree[4*N];
      |     ^~~~
cake.cpp:36:22: error: reference to 'tree' is ambiguous
   36 |     tree[node] = min(tree[node * 2], tree[node * 2 + 1]);
      |                      ^~~~
In file included from cake.cpp:2:
/usr/include/c++/11/ext/pb_ds/assoc_container.hpp:635:9: note: candidates are: 'template<class Key, class Mapped, class Cmp_Fn, class Tag, template<class Node_CItr, class Node_Itr, class Cmp_Fn_, class _Alloc_> class Node_Update, class _Alloc> class __gnu_pbds::tree'
  635 |   class tree : public PB_DS_TREE_BASE
      |         ^~~~
cake.cpp:21:5: note:                 'std::pair<long long int, long long int> tree [2000004]'
   21 | seg tree[4*N];
      |     ^~~~
cake.cpp:36:38: error: reference to 'tree' is ambiguous
   36 |     tree[node] = min(tree[node * 2], tree[node * 2 + 1]);
      |                                      ^~~~
In file included from cake.cpp:2:
/usr/include/c++/11/ext/pb_ds/assoc_container.hpp:635:9: note: candidates are: 'template<class Key, class Mapped, class Cmp_Fn, class Tag, template<class Node_CItr, class Node_Itr, class Cmp_Fn_, class _Alloc_> class Node_Update, class _Alloc> class __gnu_pbds::tree'
  635 |   class tree : public PB_DS_TREE_BASE
      |         ^~~~
cake.cpp:21:5: note:                 'std::pair<long long int, long long int> tree [2000004]'
   21 | seg tree[4*N];
      |     ^~~~
cake.cpp: In function 'std::pair<long long int, long long int> query(long long int, long long int, long long int, long long int, long long int)':
cake.cpp:42:16: error: reference to 'tree' is ambiguous
   42 |         return tree[node];
      |                ^~~~
In file included from cake.cpp:2:
/usr/include/c++/11/ext/pb_ds/assoc_container.hpp:635:9: note: candidates are: 'template<class Key, class Mapped, class Cmp_Fn, class Tag, template<class Node_CItr, class Node_Itr, class Cmp_Fn_, class _Alloc_> class Node_Update, class _Alloc> class __gnu_pbds::tree'
  635 |   class tree : public PB_DS_TREE_BASE
      |         ^~~~
cake.cpp:21:5: note:                 'std::pair<long long int, long long int> tree [2000004]'
   21 | seg tree[4*N];
      |     ^~~~