Problem	fenwicktree
User	cobnet
Submission Time	2024-02-26 16:34:23
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fenwicktree.cpp: In function ‘int main()’:
fenwicktree.cpp:31:2: error: ‘cin_tie’ was not declared in this scope
31 | cin_tie(0);
| ^~~~~~~
fenwicktree.cpp:32:2: error: ‘cout_tie’ was not declared in this scope
32 | cout_tie(0);
| ^~~~~~~~