View Compilation Error

0_0_37162678_24953.cpp:20:13: error: redefinition of 'll t'
 ll t, n, s, t, h, a[mn], b[mn], as, bs, ans, bv, av;
             ^
0_0_37162678_24953.cpp:20:4: note: 'll t' previously declared here
 ll t, n, s, t, h, a[mn], b[mn], as, bs, ans, bv, av;
    ^