#include using namespace std; #define DEBUG(x) cerr<<#x<<": "< #define vl vector #define vii vector< vector > #define vll vector< vector > #define vs vector #define pii pair #define pis pair #define psi pair #define pll pair template pair operator+(const pair &s, const pair &t) { return pair(s.first + t.first, s.second + t.second); } template pair operator-(const pair &s, const pair &t) { return pair(s.first - t.first, s.second - t.second); } template ostream& operator<<(ostream& os, pair p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) #define rrep(i,n) for(int i=(int)(n)-1;i>=0;i--) #define rrep1(i,n) for(int i=(int)(n);i>0;i--) #define REP(i,a,b) for(int i=a;i bool chmax(T &a, const T &b) { if (a bool chmin(T &a, const T &b) { if (a>b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; #define Sp(p) cout< &yx) { int res = 0; rep (i, yx.size()) { res += max(abs(yx[i].second), abs(yx[i].first - y)); } return res; } signed main() { fio(); int n; cin >> n; vii a(n, vi(n)); vector> b(n); rep (i, n) { rep (j, n) { cin >> a[i][j]; a[i][j]--; b[a[i][j]].push_back(pii(i, j)); } } ll sum = 0; rep (i, n) { int l = 0, r = n - 1; while (l + 2 < r) { int x1 = (2 * l + r) / 3, x2 = (l + 2 * r) / 3; if (f(x1, b[i]) > f(x2, b[i])) l = x1; else r = x2; } int mi = INF; for (int j = l; j <= r; j++) { chmin(mi, f(j, b[i])); } sum += mi; } cout << sum << endl; }