local band = bit.band local n = io.read("*n") local a = {} for i = 1, n do a[i] = io.read("*n") end local asum = {a[1]} for i = 2, n do asum[i] = asum[i - 1] + a[i] end local all = {} for i = 1, 1024 * n do all[i] = false end local dp1, dp2 = {}, {} dp1[1] = {true} dp2[1] = {false} for i = 2, 1024 do dp1[1][i] = false dp2[1][i] = false end for i = 1, n do dp1[i + 1] = {} dp2[i + 1] = {} for j = 1, 1024 do dp1[i + 1][j] = false dp2[i + 1][j] = false end local ai = a[i] for j = 1, 1024 do if dp1[i][j] or dp2[i][j] then local dst1 = band(j - 1, ai) + 1 local dst2 = ((j - 1 + ai) % 1024) + 1 dp1[i + 1][dst1] = true dp2[i + 1][dst2] = true end end end local ret = 1 all[asum[n] + 1] = true for i = 1, n do for j = 1, 1024 do local v = j + asum[n] - asum[i] if dp1[i + 1][j] and not all[v] then ret = ret + 1 all[v] = true end end print(ret) end