Submission #455221

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
455221	2021-08-05T17:29:09 Z	erray	Bubble Sort 2 (JOI18_bubblesort2)	C++17	100 / 100	4558 ms	183468 KB

bubblesort2

#include "bubblesort2.h"
#include<bits/stdc++.h>

using namespace std; 
template<typename A, typename B> string to_string(const pair<A, B>& p);
template<typename A, typename B, typename C> string to_string(const tuple<A, B, C>& t);
template<typename A, typename B, typename C, typename D> string to_string(const tuple<A, B, C, D>& t);

string to_string(const string& s) {
  return '"' + s + '"';
}

string to_string(const char& c) {
  return string("'") + c + "'";
}

string to_string(const char *c) {
  return to_string(string(c));
}

string to_string(const bool& b) {
  return (b ? "true" : "false");
}

string to_string(const vector<bool>& v) {
  string res = "{";
  for (int i = 0; i < (int) v.size(); ++i) {
    if (i > 0) {
      res += ", ";
    }
    res += to_string(v[i]);
  }
  res += "}";
  return res;
}

template<size_t T> string to_string(const bitset<T>& bs) {
  return bs.to_string();
}

template<typename T> string to_string(queue<T> q) {
  string res = "{";
  size_t sz = q.size();
  while (sz--) {
    T cur = q.front();
    q.pop();
    if ((int) res.size() > 1) {
      res += ", ";
    }
    res += to_string(cur);
  }
  res += "}";
  return res;
}

template<typename T, class C> string to_string(priority_queue<T, vector<T>, C> pq) {
  string res = "{";
  while (!pq.empty()) {
    T cur = pq.top();
    pq.pop();
    if ((int) res.size() > 1) {
      res += ", ";
    }
    res += to_string(cur);
  }
  res += "}";
  return res;
}

template<typename T> string to_string(const T& v) {
  string res = "{";
  for (auto &el : v) {
    if ((int) res.size() > 1) {
      res += ", ";
    }
    res += to_string(el);
  }
  res += "}";
  return res;
}

template<typename A, typename B> string to_string(const pair<A, B>& p) {
  return '(' + to_string(p.first) + ", " + to_string(p.second) + ')';
}
template<typename A, typename B, typename C> string to_string(const tuple<A, B, C>& t) {
  return '(' + to_string(get<0>(t)) + ", " + to_string(get<1>(t)) + ", " + to_string(get<2>(t)) + ')';
}
template<typename A, typename B, typename C, typename D> string to_string(const tuple<A, B, C, D>& t) {
  return '(' + to_string(get<0>(t)) + ", " + to_string(get<1>(t)) + ", " + to_string(get<2>(t)) + ", " + to_string(get<3>(t)) + ')';
}

void debug_out(int size, bool first, string name) {
  vector<string> tmp = {name};
  vector<int> tmp2 = {size, first};
  cerr << endl;
}

constexpr int buffer_size = 255;

template<typename Head, typename... Tail> void debug_out(int size, bool first, string name, Head H, Tail... T) {
  string tmp;
  int off = 0;
  while ((!name.empty() && name[0] != ',') || off != 0) {
    tmp += name[0];
    name.erase(name.begin());
    char c = tmp.back();
    if (c == '{' || c == '(') {
      ++off;
    } else if (c == '}' || c == ')'){
      --off;
    }
  }
  if (!name.empty()) {
    name.erase(name.begin());
  }
  if (tmp[0] == ' ') {
    tmp.erase(tmp.begin());
  }

  string buff = to_string(H);
  if ((int) buff.size() + size + (int) tmp.size() > buffer_size - 5 && !first) {
    cerr << '\n';
    size = 0;
  }
  cerr << '[' << tmp << ": " << buff << "] ";
  debug_out(((int) buff.size() + size + (int) tmp.size() + 5) % buffer_size, false, name, T...);
}

#ifdef DEBUG
#define debug(...) cerr << "-> ", debug_out(3, true, string(#__VA_ARGS__), __VA_ARGS__)
#define here cerr << "-> " << __LINE__ << endl
#else
#define debug(...) void(37)
#define here void(37)
#endif

template<typename node> struct SegTree {
  node emp;
  inline void push(int v, int l, int r) {
    if (l == r) return;
    int mid = (l + r) >> 1;
    int rv = v + ((mid - l + 1) << 1);
    if (tree[v].tag != emp.tag) {
      tree[rv].modify(mid + 1, r, tree[v].tag, 0);
      tree[v + 1].modify(l, mid, tree[v].tag, 0);
    }
    tree[v].tag = emp.tag;
  }

  inline void pull(int v, int rv) {
    tree[v] = tree[v + 1] +  tree[rv];
  }

  int n;
  vector<node> tree;

  template<typename T> void build(int v, int l, int r, const vector<T> vv) {
    if (l == r) {
      tree[v].modify(l, r, vv[l]);
      return;
    }
    int mid = (l + r) >> 1;
    int rv = v + ((mid - l + 1) << 1);
    build(v + 1, l, mid, vv);
    build(rv, mid + 1, r, vv);
    pull(v, rv);
  }

  node get(int v, int l, int r, int ll, int rr) {
    if (l >= ll && rr >= r) {
      return tree[v];
    }
    int mid = (l + r) >> 1;
    int rv = v + ((mid - l + 1) << 1);
    push(v, l, r);

    if (mid >= ll && mid < rr) {
      return get(v + 1, l, mid, ll, rr) + get(rv, mid + 1, r, ll, rr);
    }
    if (mid >= ll) {
      return get(v + 1, l, mid, ll, rr);
    }
    return get(rv, mid + 1, r, ll, rr);
  }

  template<typename R, typename... T> R get(int v, int l, int r, int ll, int rr, function<R(const R&, const R&)> f, const T&... t) {
    if (l >= ll && rr >= r) {
      return tree[v].get(l, r, t...);
    }
    int mid = (l + r) >> 1;
    int rv = v + ((mid - l + 1) << 1);
    push(v, l, r);

    if (mid >= ll && mid < rr) {
      return f(get(v + 1, l, mid, ll, rr, t...), get(rv, mid + 1, r, ll, rr, t...));
    }
    if (mid >= ll) {
      return get(v + 1, l, mid, ll, rr, t...);
    }
    return get(rv, mid + 1, r, ll, rr, t...);

  }

  template<typename... T> void modify(int v, int l, int r, int ll, int rr, const T&... t) {
    if (l >= ll && rr >= r) {
      tree[v].modify(l, r, t...);
      return;
    }
    int mid = (l + r) >> 1;
    int rv = v + ((mid - l + 1) << 1);
    push(v, l, r);

    if (mid >= ll) {
      modify(v + 1, l, mid, ll, rr, t...);
    }
    if (mid < rr) {
      modify(rv, mid + 1, r, ll, rr, t...);
    }
    pull(v, rv);
  }

  template<typename... T> void set_modify(int v, int l, int r, int tar, const T&... t) {
    if (l == r) {
      tree[v] = emp;
      tree[v].modify(l, r, t...);
      return;
    }
    int mid = (l + r) >> 1;
    int rv = v + ((mid - l + 1) << 1);
    push(v, l, r);

    if (mid >= tar) {
      set_modify(v + 1, l, mid, tar, t...);
    }
    if (mid < tar) {
      set_modify(rv, mid + 1, r, tar, t...);
    }
    pull(v, rv);
  }

  int find_first_exact(int v, int l, int r, const function<bool(const node&)> f) {
    if (!f(tree[v])) return -1;
    if (l == r) {
      return l;
    }
    int mid = (l + r) >> 1;
    int rv = v + ((mid - l + 1) << 1);
    push(v, l, r);

    int res = -1;
    if (f(tree[v + 1])) {
      res = find_first_exact(v + 1, l, mid, f);
    } else {
      res = find_first_exact(rv, mid + 1, r, f);
    }
    assert(res != -1);
    return res;
  }

  int find_last_exact(int v, int l, int r, const function<bool(const node&)> f) {
    if (!f(tree[v])) return -1;
    if (l == r) {
      return l;
    }
    int mid = (l + r) >> 1;
    int rv = v + ((mid - l + 1) << 1);
    push(v, l, r);

    int res = -1;
    if (f(tree[rv])) {
      res = find_last_exact(rv, mid + 1, r, f);
    } else {
      res = find_last_exact(v + 1, l, mid, f);
    }
    assert(res != -1);
    return res;
  }

  int find_first(int v, int l, int r, int ll, int rr, const function<bool(const node&)> f) {
    if (l >= ll && rr >= r) {
      return find_first_exact(v, l, r, f);
    }
    int mid = (l + r) >> 1;
    int rv = v + ((mid - l + 1) << 1);
    push(v, l, r);

    int res = -1;
    if (mid >= ll) {
      res = find_first(v + 1, l, mid, ll, rr, f);
    }
    if (res == -1 && mid < rr) {
      res = find_first(rv, mid + 1, r, ll, rr, f);
    }
    return res;
  }

  int find_last(int v, int l, int r, int ll, int rr, const function<bool(const node&)> f) {
    if (l > rr || r < ll) {
      return -1;
    }
    if (l >= ll && rr >= r) {
      return find_last_exact(v, l, r, f);
    }
    int mid = (l + r) >> 1;
    int rv = v + ((mid - l + 1) << 1);
    push(v, l, r);

    int res = -1;
    if (mid < rr) {
      res = find_last(rv, mid + 1, r, ll, rr, f);
    }
    if (res == -1 && mid >= ll) {
      res = find_last(v + 1, l, mid, ll, rr, f);
    }
    return res;
  }

  /*==========================================================================*/


  SegTree(int _n) : n(_n) {
    assert(n > 0);
    tree.resize((n << 1) - 1);
  }

  void clear() {
    tree.assign((n << 1) - 1, node{});  
  }
  
  template<typename T> SegTree(vector<T> v) : n((int) v.size()) {
    tree.resize(n * 2 - 1);
    build(0, 0, n - 1, v);
  }

  node get(int ind) {
    assert(ind >= 0 && ind < n);
    return get(0, 0, n - 1, ind, ind);
  }

  node get(int l, int r) {
    assert(l >= 0 && l < n && r >= 0 && r < n && r >= l);
    return get(0, 0, n - 1, l, r);
  }

  template<typename R, typename... T> R get(int l, int r, function<R(const R&, const R&)> f, T... t) {
    assert(l >= 0 && l < n && r >= 0 && r < n && r >= l);
    return get<R>(0, 0, n - 1, l, r, f, t...);
  }

  template<typename... T> void modify(int l, int r, T... t) {
    assert(l >= 0 && l < n && r >= 0 && r < n && r >= l);
    modify(0, 0, n - 1, l, r, t...);
  }

  template<typename... T> void point_modify(int ind, T... t) {
    assert(ind >= 0 && ind < n);
    modify(0, 0, n - 1, ind, ind, t...);
  }

  template<typename... T> void set_modify(int ind, T... t) {
    assert(ind >= 0 && ind < n);
    set_modify(0, 0, n - 1, ind, t...);
  }

  int find_first(int l, int r, const function<bool(const node&)> f) {
    assert(l >= 0 && l < n && r >= 0 && r < n && r >= l);
    return find_first(0, 0, n - 1, l, r, f);
  }

  int find_last(int l, int r, const function<bool(const node&)> f) {
    assert(l >= 0 && l < n && r >= 0 && r < n && r >= l);
    return find_last(0, 0, n - 1, l, r, f);
  }

  int find_first(const function<bool(const node&)> f) {
    return find_first(0, 0, n - 1, 0, n - 1, f);
  }

  int find_last(const function<bool(const node&)> f) {
    return find_last(0, 0, n - 1, 0, n - 1, f);
  }
};

const int inf = int(1e6);
struct node {
  //variables default values should be uneffective
  int sum = -inf;
  set<int> inds;
  int sub = 0;
  int tag = 0;
  void modify(int l, int r, int x, int type) {
    assert(l == l && r == r); // no to warnings
    if (type == 0) {
      tag += x;
      sum -= x;
      sub += x;
    } else {
      if (type == 2) {
        inds.insert(x);
      } else if (type == 1) {
        inds.erase(x);
      } else {
        assert(false);
      }
      sum = (inds.empty() ? -inf : *prev(inds.end())) + 1 - sub;
    }
  }

  node operator+ (const node& x) {
    node res;
    res.sum = max(sum, x.sum);
    return res;
  }

  int get (int l, int r) {
    return l + r;
  }
};

std::vector<int> countScans(std::vector<int> A,std::vector<int> X,std::vector<int> V){
  int n = int(A.size());
  int q = int(X.size());
  vector<int> sa = A;  
  for (auto e : V) {
    sa.push_back(e);
  }
  sort(sa.begin(), sa.end());
  sa.erase(unique(sa.begin(), sa.end()), sa.end());
  vector<int> a(n);
  for (int i = 0; i < n; ++i) {
    a[i] = int(lower_bound(sa.begin(), sa.end(), A[i]) - sa.begin());
  }
  vector<int> v(q);
  for (int i = 0; i < q; ++i) {
    v[i] = int(lower_bound(sa.begin(), sa.end(), V[i]) - sa.begin());
  }
  debug(a, v);
  int size = int(sa.size());
  SegTree<node> st(size);
  auto Modify = [&](int i, int t) {
    debug(i, a[i], t);
    st.point_modify(a[i], i, 1 + t); 
    st.modify(a[i], size - 1, (t ? 1 : -1), 0); 
  };
  for (int i = 0; i < n; ++i) {
    Modify(i, 1);
  }
  vector<int> res(q);
  for (int i = 0; i < q; ++i) {
    Modify(X[i], 0);
    a[X[i]] = v[i];
    Modify(X[i], 1);
    debug(a);
    #ifdef DEBUG
      for (int j = 0; j < size; ++j) {
        auto nd = st.get(j);
        debug(j, nd.inds, nd.sum, nd.sub);
      }
    #endif
    res[i] = st.get(0, size - 1).sum;
  }
  return res;
}

Subtask #1

17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	5 ms	588 KB	Output is correct
3	Correct	10 ms	972 KB	Output is correct
4	Correct	11 ms	920 KB	Output is correct
5	Correct	8 ms	972 KB	Output is correct
6	Correct	9 ms	972 KB	Output is correct
7	Correct	11 ms	972 KB	Output is correct
8	Correct	8 ms	972 KB	Output is correct
9	Correct	8 ms	972 KB	Output is correct
10	Correct	8 ms	844 KB	Output is correct
11	Correct	8 ms	844 KB	Output is correct
12	Correct	7 ms	844 KB	Output is correct
13	Correct	8 ms	844 KB	Output is correct
14	Correct	7 ms	844 KB	Output is correct
15	Correct	7 ms	844 KB	Output is correct
16	Correct	8 ms	824 KB	Output is correct
17	Correct	7 ms	844 KB	Output is correct
18	Correct	7 ms	844 KB	Output is correct

Subtask #2

21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	5 ms	588 KB	Output is correct
3	Correct	10 ms	972 KB	Output is correct
4	Correct	11 ms	920 KB	Output is correct
5	Correct	8 ms	972 KB	Output is correct
6	Correct	9 ms	972 KB	Output is correct
7	Correct	11 ms	972 KB	Output is correct
8	Correct	8 ms	972 KB	Output is correct
9	Correct	8 ms	972 KB	Output is correct
10	Correct	8 ms	844 KB	Output is correct
11	Correct	8 ms	844 KB	Output is correct
12	Correct	7 ms	844 KB	Output is correct
13	Correct	8 ms	844 KB	Output is correct
14	Correct	7 ms	844 KB	Output is correct
15	Correct	7 ms	844 KB	Output is correct
16	Correct	8 ms	824 KB	Output is correct
17	Correct	7 ms	844 KB	Output is correct
18	Correct	7 ms	844 KB	Output is correct
19	Correct	34 ms	2900 KB	Output is correct
20	Correct	39 ms	3144 KB	Output is correct
21	Correct	36 ms	3152 KB	Output is correct
22	Correct	35 ms	3188 KB	Output is correct
23	Correct	33 ms	2940 KB	Output is correct
24	Correct	34 ms	2908 KB	Output is correct
25	Correct	33 ms	2768 KB	Output is correct
26	Correct	32 ms	2764 KB	Output is correct
27	Correct	32 ms	2564 KB	Output is correct
28	Correct	32 ms	2624 KB	Output is correct

Subtask #3

22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	2116 KB	Output is correct
2	Correct	88 ms	3736 KB	Output is correct
3	Correct	135 ms	5284 KB	Output is correct
4	Correct	133 ms	5264 KB	Output is correct
5	Correct	142 ms	5280 KB	Output is correct
6	Correct	131 ms	5364 KB	Output is correct
7	Correct	128 ms	5376 KB	Output is correct
8	Correct	135 ms	5296 KB	Output is correct
9	Correct	133 ms	5332 KB	Output is correct
10	Correct	119 ms	5376 KB	Output is correct
11	Correct	105 ms	5340 KB	Output is correct
12	Correct	107 ms	5420 KB	Output is correct
13	Correct	106 ms	5348 KB	Output is correct
14	Correct	134 ms	5400 KB	Output is correct
15	Correct	106 ms	5348 KB	Output is correct
16	Correct	101 ms	5404 KB	Output is correct
17	Correct	103 ms	5408 KB	Output is correct
18	Correct	108 ms	5548 KB	Output is correct

Subtask #4

40.0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	5 ms	588 KB	Output is correct
3	Correct	10 ms	972 KB	Output is correct
4	Correct	11 ms	920 KB	Output is correct
5	Correct	8 ms	972 KB	Output is correct
6	Correct	9 ms	972 KB	Output is correct
7	Correct	11 ms	972 KB	Output is correct
8	Correct	8 ms	972 KB	Output is correct
9	Correct	8 ms	972 KB	Output is correct
10	Correct	8 ms	844 KB	Output is correct
11	Correct	8 ms	844 KB	Output is correct
12	Correct	7 ms	844 KB	Output is correct
13	Correct	8 ms	844 KB	Output is correct
14	Correct	7 ms	844 KB	Output is correct
15	Correct	7 ms	844 KB	Output is correct
16	Correct	8 ms	824 KB	Output is correct
17	Correct	7 ms	844 KB	Output is correct
18	Correct	7 ms	844 KB	Output is correct
19	Correct	34 ms	2900 KB	Output is correct
20	Correct	39 ms	3144 KB	Output is correct
21	Correct	36 ms	3152 KB	Output is correct
22	Correct	35 ms	3188 KB	Output is correct
23	Correct	33 ms	2940 KB	Output is correct
24	Correct	34 ms	2908 KB	Output is correct
25	Correct	33 ms	2768 KB	Output is correct
26	Correct	32 ms	2764 KB	Output is correct
27	Correct	32 ms	2564 KB	Output is correct
28	Correct	32 ms	2624 KB	Output is correct
29	Correct	28 ms	2116 KB	Output is correct
30	Correct	88 ms	3736 KB	Output is correct
31	Correct	135 ms	5284 KB	Output is correct
32	Correct	133 ms	5264 KB	Output is correct
33	Correct	142 ms	5280 KB	Output is correct
34	Correct	131 ms	5364 KB	Output is correct
35	Correct	128 ms	5376 KB	Output is correct
36	Correct	135 ms	5296 KB	Output is correct
37	Correct	133 ms	5332 KB	Output is correct
38	Correct	119 ms	5376 KB	Output is correct
39	Correct	105 ms	5340 KB	Output is correct
40	Correct	107 ms	5420 KB	Output is correct
41	Correct	106 ms	5348 KB	Output is correct
42	Correct	134 ms	5400 KB	Output is correct
43	Correct	106 ms	5348 KB	Output is correct
44	Correct	101 ms	5404 KB	Output is correct
45	Correct	103 ms	5408 KB	Output is correct
46	Correct	108 ms	5548 KB	Output is correct
47	Correct	1072 ms	54944 KB	Output is correct
48	Correct	3977 ms	166456 KB	Output is correct
49	Correct	4379 ms	183324 KB	Output is correct
50	Correct	4558 ms	183380 KB	Output is correct
51	Correct	4418 ms	183328 KB	Output is correct
52	Correct	4478 ms	183256 KB	Output is correct
53	Correct	4457 ms	183336 KB	Output is correct
54	Correct	4001 ms	183404 KB	Output is correct
55	Correct	4292 ms	183396 KB	Output is correct
56	Correct	4065 ms	183416 KB	Output is correct
57	Correct	4162 ms	183468 KB	Output is correct
58	Correct	3948 ms	183404 KB	Output is correct
59	Correct	3601 ms	166580 KB	Output is correct
60	Correct	3734 ms	166580 KB	Output is correct
61	Correct	3715 ms	166576 KB	Output is correct
62	Correct	3665 ms	158572 KB	Output is correct
63	Correct	3679 ms	158592 KB	Output is correct
64	Correct	3678 ms	158604 KB	Output is correct
65	Correct	3446 ms	150632 KB	Output is correct
66	Correct	3454 ms	150632 KB	Output is correct
67	Correct	3380 ms	150644 KB	Output is correct