View Compilation Error

0_0_35721660_27932.cpp: In function 'void down(int)':
0_0_35721660_27932.cpp:168:6: error: redefinition of 'void down(int)'
 void down(int p){
      ^
0_0_35721660_27932.cpp:121:6: note: 'void down(int)' previously defined here
 void down(int p){
      ^
0_0_35721660_27932.cpp:171:1: error: expected primary-expression before 'int'
 int main(){
 ^
0_0_35721660_27932.cpp:171:1: error: expected ')' before 'int'
0_0_35721660_27932.cpp:195:1: error: expected statement at end of input
 }
 ^
0_0_35721660_27932.cpp:195:1: error: expected '}' at end of input