View Compilation Error

0_0_24589509_28116.cpp: In function 'int main()':
0_0_24589509_28116.cpp:31:5: error: redefinition of 'int main()'
 int main(void){
     ^
0_0_24589509_28116.cpp:8:5: note: 'int main()' previously defined here
 int main()
     ^