View Compilation Error

0_0_23191903_1608.cpp: In function 'int main()':
0_0_23191903_1608.cpp:52:5: error: redefinition of 'int main()'
 int main(void )
     ^
0_0_23191903_1608.cpp:5:5: note: 'int main()' previously defined here
 int main(void ) 
     ^