View Compilation Error

0_0_22225256_25342.cpp:27:17: error: redefinition of 'double a [1000010]'
 double a[1000010],b[1000010];
                 ^
0_0_22225256_25342.cpp:4:8: note: 'double a [1000010]' previously declared here
 double a[1000010],b[1000010];
        ^
0_0_22225256_25342.cpp:27:28: error: redefinition of 'double b [1000010]'
 double a[1000010],b[1000010];
                            ^
0_0_22225256_25342.cpp:4:19: note: 'double b [1000010]' previously declared here
 double a[1000010],b[1000010];
                   ^
0_0_22225256_25342.cpp: In function 'int main()':
0_0_22225256_25342.cpp:28:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_22225256_25342.cpp:5:5: note: 'int main()' previously defined here
 int main()
     ^