View Compilation Error

0_0_34397019_16244.cpp: In function 'void cdq(int, int)':
0_0_34397019_16244.cpp:164:6: error: redefinition of 'void cdq(int, int)'
 void cdq(int l,int r){
      ^
0_0_34397019_16244.cpp:144:6: note: 'void cdq(int, int)' previously defined here
 void cdq(int l,int r){
      ^