Problem	minstack
User	shenshiqi
Submission Time	2025-12-11 09:10:57
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

minstack.cpp:8:1: error: ‘unordered_map’ does not name a type
8 | unordered_map <int, int> occurrences;
| ^~~~~~~~~~~~~
minstack.cpp: In function ‘void push(int)’:
minstack.cpp:13:2: error: ‘occurrences’ was not declared in this scope
13 | occurrences[X]++;
| ^~~~~~~~~~~
minstack.cpp: In function ‘void pop()’:
minstack.cpp:18:2: error: ‘occurrences’ was not declared in this scope
18 | occurrences[curTop]--;
| ^~~~~~~~~~~
minstack.cpp: In function ‘int getMin()’:
minstack.cpp:28:12: error: ‘occurrences’ was not declared in this scope
28 | auto it = occurrences.begin();
| ^~~~~~~~~~~