# pragma GCC target("avx2") # pragma GCC optimize("O3") # pragma GCC optimize("unroll-loops") #include #include #include std::uint32_t h, w; std::uint32_t sums[1000010]; std::uint32_t total,x; int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); std::cin>>h>>w; for (std::uint32_t i=0;i>x; sums[i] += x; } total += sums[i]; } for (std::uint32_t i=0;i