View Compilation Error

0_0_28867442_5349.cpp: In function 'int main()':
0_0_28867442_5349.cpp:13:18: error: expected primary-expression at end of input
         lm=(cm*cm-
                  ^
0_0_28867442_5349.cpp:13:18: error: expected ')' at end of input
0_0_28867442_5349.cpp:13:18: error: expected '}' at end of input
0_0_28867442_5349.cpp:13:18: error: expected '}' at end of input