View Compilation Error

0_0_23243075_15946.cpp: In function 'int main()':
0_0_23243075_15946.cpp:63:6: error: redefinition of 'int main()'
  int main()
      ^
0_0_23243075_15946.cpp:4:5: note: 'int main()' previously defined here
 int main()
     ^