View Compilation Error

0_0_8685366_11462.cpp: In function `int main()':
0_0_8685366_11462.cpp:99: error: `l' undeclared (first use this function)
0_0_8685366_11462.cpp:99: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8685366_11462.cpp:100: error: `r' undeclared (first use this function)