View Compilation Error

0_0_11994896_14370.cpp: In function `void upj(int, int, int, int, long long int)':
0_0_11994896_14370.cpp:90: error: `tl' undeclared (first use this function)
0_0_11994896_14370.cpp:90: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11994896_14370.cpp:90: error: `tr' undeclared (first use this function)