func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, k, p[200005];   int vis[200005], cntn;   int pre[200005], nxt[200005];   int flag = 0;   struct node {     int p, s;     node(int p = 0, int s = 0) : p(p), s(s) {}     bool operator<(const node &b) const { return p < b.p; }   };   void del(int x) {     nxt[pre[x]] = nxt[x];     pre[nxt[x]] = pre[x];     vis[x] = flag + 1;     cntn--;   }   priority_queue<node> q;   int main() {     cin >> n >> k;     cntn = n;     for (int i = 1; i <= n; i++) {       scanf( %d , &p[i]);       pre[i] = i - 1;       nxt[i] = i + 1;       q.push(node(p[i], i));     }     while (cntn) {       while (vis[q.top().s] != 0) q.pop();       node t = q.top();       q.pop();       del(t.s);       int cur = pre[t.s];       for (int i = 0; i < k && cur != 0; i++, cur = pre[cur]) del(cur);       cur = nxt[t.s];       for (int i = 0; i < k && cur != n + 1; i++, cur = nxt[cur]) del(cur);       flag = 1 - flag;     }     for (int i = 1; i <= n; i++) cout << vis[i];     return 0;   }   