#include namespace { #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wunused-function" #include #pragma GCC diagnostic pop using namespace std; using namespace atcoder; #define rep(i,n) for(int i = 0; i < (int)(n); i++) #define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--) #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) template bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; } template bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; } using ll = long long; using P = pair; using VI = vector; using VVI = vector; using VL = vector; using VVL = vector; template struct value_compression : vector { bool built = false; using VS = vector; using VS::vector; value_compression(vector v) : vector(move(v)) {} void build() { sort(VS::begin(), VS::end()); VS::erase(unique(VS::begin(), VS::end()), VS::end()); built = true; } template void convert(T first, T last) { for (; first != last; ++first) *first = (*this)(*first); } int operator()(S x) { assert(built); return lower_bound(VS::begin(), VS::end(), x) - VS::begin(); } void clear() { VS::clear(); built = false; } }; } int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; VI x(n), y(n); rep(i, n) cin >> x[i] >> y[i]; value_compression vx = x, vy = y; vx.build(), vy.build(); const int szx = vx.size(), szy = vy.size(); int lx = vx[0] - 1, rx = vx.back() + 1; auto score = [&](int a, int b) { ll res = 0; rep(i, n) res += (ll)abs(x[i] - a) * abs(y[i] - b); return res; }; auto f = [&](int a) { int ly = vy[0] - 1, ry = vy.back(); while(ry - ly > 2) { int cy1 = (ly + ry) / 2; int cy2 = cy1 + 1; if (score(a, cy1) < score(a, cy2)) ry = cy2; else ly = cy1; } return ly + 1; }; while(rx - lx > 2) { int cx1 = (lx + rx) / 2; int cx2 = cx1 + 1; int y1 = f(cx1); int y2 = f(cx2); if (score(cx1, y1) < score(cx2, y2)) { rx = cx2; } else { lx = cx1; } } int ax = lx + 1; int ay = f(ax); ll ans = score(ax, ay); cout << ans << '\n'; }