View Compilation Error

0_0_36387624_18823.cpp: In function 'int main()':
0_0_36387624_18823.cpp:15:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_36387624_18823.cpp:2:6: note: 'int main()' previously defined here
  int main()
      ^