View Compilation Error

0_0_30338155_5293.cpp: In function 'void work()':
0_0_30338155_5293.cpp:70:30: error: expected '}' at end of input
             ans[pos][i+L-1]--;//pos放回0是没用的
                              ^
0_0_30338155_5293.cpp:70:30: error: expected '}' at end of input
0_0_30338155_5293.cpp:70:30: error: expected '}' at end of input