Problem	badcontest
User	smartsword
Submission Time	2025-12-29 14:24:12
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

badcontest.cpp: In function ‘int32_t main()’:
badcontest.cpp:25:7: error: redeclaration of ‘long long int u’
25 | int u = n/2;
| ^
badcontest.cpp:20:6: note: ‘long long int u’ previously declared here
20 | int u = (n + 1) /2 ;
| ^