View Compilation Error

0_0_18767569_27241.cpp: In function 'void init()':
0_0_18767569_27241.cpp:31:22: error: expected primary-expression at end of input
    f[j][x][sz[j][x]++%
                      ^
0_0_18767569_27241.cpp:31:22: error: expected ']' at end of input
0_0_18767569_27241.cpp:31:22: error: expected '}' at end of input
0_0_18767569_27241.cpp:31:22: error: expected '}' at end of input