View Compilation Error

0_0_22381439_21447.cpp: In function 'int main()':
0_0_22381439_21447.cpp:120:14: error: 'l' was not declared in this scope
              l=r=0;
              ^
0_0_22381439_21447.cpp:120:16: error: 'r' was not declared in this scope
              l=r=0;
                ^