View Compilation Error

0_0_30437479_30686.cpp: In function 'void fastIO::print1(long long int)':
0_0_30437479_30686.cpp:284:33: error: expected primary-expression before '%' token
         char *p1=buf;if (!x)*p1+%
                                 ^
0_0_30437479_30686.cpp:284:33: error: expected primary-expression at end of input
0_0_30437479_30686.cpp:284:33: error: expected '}' at end of input
0_0_30437479_30686.cpp: At global scope:
0_0_30437479_30686.cpp:284:33: error: expected '}' at end of input