View Compilation Error

0_0_33056882_16875.cpp:9:1: error: 'LL' does not name a type
 LL clc(LL n)
 ^
0_0_33056882_16875.cpp: In function 'int main()':
0_0_33056882_16875.cpp:32:14: error: 'clc' was not declared in this scope
    if(clc(mid)>n)
              ^
0_0_33056882_16875.cpp:38:27: error: 'clc' was not declared in this scope
   long long res=(n-clc(pos)+mod)%mod;
                           ^