Problem	minstack
User	yc
Submission Time	2025-05-29 06:53:57
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

minstack.cpp: In function ‘void push(int)’:
minstack.cpp:9:6: error: expected primary-expression before ‘!=’ token
9 | if (!= i.empty()) i.push(min(i.top(),X));
| ^~