View Compilation Error

0_0_18794057_1177.cpp: In function 'LL work()':
0_0_18794057_1177.cpp:74:20: error: expected primary-expression at end of input
                 pre%
                    ^
0_0_18794057_1177.cpp:74:20: error: expected '}' at end of input
0_0_18794057_1177.cpp:74:20: error: expected '}' at end of input
0_0_18794057_1177.cpp:74:20: error: expected '}' at end of input
0_0_18794057_1177.cpp:74:20: error: expected '}' at end of input