View Compilation Error

0_0_22132866_21979.cpp: In function 'int main()':
0_0_22132866_21979.cpp:10:33: error: redeclaration of 'int b [10005]'
         int a[10005]={0},b[10005]={0};
                                 ^
0_0_22132866_21979.cpp:7:13: note: 'int b' previously declared here
     for(int b=1;b<=t;b++)
             ^