func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   template<typename A, typename B = A> using pr = pair<A, B>;   #define vec vector   #define ar array   #define len(a) ((int)((a).size()))   #define all(a) (a).begin(), (a).end()      int q;   vec<int> used;   int timer;      inline void merge(vec<pr<int>> &a, vec<pr<int>> &b, vec<pr<int>> &res) {       timer++;       int j = 0;       auto insert = [&](pr<int> p) {           if (used[p.first] == timer)               return;           used[p.first] = timer;           res.push_back(p);       };       for (int i = 0; i < len(a); i++) {           while (len(res) <= q && j < len(b) && b[j].second >= a[i].second) {               insert(b[j]);               j++;           }           if (len(res) <= q)               insert(a[i]);           else               break;       }       while (len(res) <= q && j < len(b)) {           insert(b[j]);           j++;       }   }      struct my_stack {       vec<pr<vec<pr<int>>>> st;          my_stack() {}          inline void pop_back() {           assert(len(st));           st.pop_back();       }          inline void push_back(vec<pr<int>> &a) {           if (!len(st)) {               st.emplace_back(a, a);               return;           }           st.emplace_back(vec<pr<int>>{}, a);           merge(st.end()[-2].first, a, st.back().first);       }          inline void rev() {           assert(len(st));           reverse(all(st));           st[0].first = st[0].second;           for (int i = 1; i < len(st); i++) {               st[i].first.clear();               merge(st[i].second, st[i - 1].first, st[i].first);           }       }          inline int get_min() {           assert(len(st));           if (len(st.back().first) <= q)               return -1;           return st.back().first.back().second;       }   };      struct my_queue {       my_stack front, back;          my_queue() {}          inline void pop() {           if (!len(front.st)) {               swap(front, back);               front.rev();           }           front.pop_back();       }          inline void push(vec<pr<int>> &a) {           back.push_back(a);       }          inline int get_min() {           assert(len(front.st) + len(back.st));           if (!len(front.st))               return back.get_min();           if (!len(back.st))               return front.get_min();           vec<pr<int>> cur;           merge(front.st.back().first, back.st.back().first, cur);           if (len(cur) <= q)               return -1;           return cur.back().second;       }   };      int main() {       ios::sync_with_stdio(false), cin.tie(nullptr);          int n;       cin >> n >> q;       vec<vec<int>> a(n, vec<int>(n));       for (auto &xs : a)           for (auto &x : xs)               cin >> x;          vec<vec<pr<int>>> left(n);       used.resize(n * n + 1);       vec<int> ans(n);       for (int j = 0; j < n; j++) {           my_queue que;           int prev = 0;           for (int i = 0; i < n; i++) {               vec<pr<int>> nleft{{a[i][j], j}};               for (auto [x, pos] : left[i])                   if (x != a[i][j] && len(nleft) <= q)                       nleft.emplace_back(x, pos);               left[i] = nleft;                  que.push(left[i]);               while (que.get_min() >= j - (i - prev)) {                   que.pop();                   prev++;               }               // cerr << i <<     << j <<  :   << i - prev << endl;               ans[i - prev]++;           }       }          for (int i = n - 2; i >= 0; i--)           ans[i] += ans[i + 1];       for (auto x : ans)           cout << x <<   n ;   }   