View Compilation Error

0_0_15394067_2359.cpp:20:11: error: redefinition of 'int num [40]'
 int num[40];
           ^
0_0_15394067_2359.cpp:2:5: note: 'int num [40]' previously declared here
 int num[40];
     ^
0_0_15394067_2359.cpp: In function 'int main()':
0_0_15394067_2359.cpp:21:5: error: redefinition of 'int main()'
 int main(){
     ^
0_0_15394067_2359.cpp:3:5: note: 'int main()' previously defined here
 int main(){
     ^