View Compilation Error

0_0_34905189_8006.cpp: In function 'bool slove()':
0_0_34905189_8006.cpp:37:9: error: 'LL' was not declared in this scope
         LL tmp = sqrt(n) + 0.5;
         ^
0_0_34905189_8006.cpp:38:12: error: 'tmp' was not declared in this scope
         if(tmp*tmp==n)
            ^