oj.uz

답안 #963422

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
963422 2024-04-15T01:53:08 Z Pring Bubble Sort 2 (JOI18_bubblesort2) C++17
38 / 100
 9000 ms 18148 KB 
#include <bits/stdc++.h>
#include <bits/extc++.h>
#include "bubblesort2.h"
using namespace std;
using namespace __gnu_pbds;

#ifdef MIKU
string dbmc = "\033[1;38;2;57;197;187m", dbrs = "\033[0m";
#define debug(x...) cout << dbmc << "[" << #x << "]: ", dout(x)
void dout() { cout << dbrs << endl; }
template <typename T, typename ...U>
void dout(T t, U ...u) { cout << t << (sizeof...(u) ? ", " : ""); dout(u...); }
#else
#define debug(...) 39
#endif

#define fs first
#define sc second
#define mp make_pair
#define FOR(i, j, k) for (int i = j, Z = k; i < Z; i++)
using ll = long long;
typedef pair<int, int> pii;
typedef pair<int, ll> pil;
typedef pair<ll, int> pli;
typedef pair<ll, ll> pll;
typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> TREE;

namespace {
	const int MXN = 500005;
	int n;
	vector<int> a;
	TREE MS;

	namespace TREAP {
		mt19937 rnd(time(nullptr));
		struct NODE {
			int l, r, pri, sz, val, big, tag;
			NODE(int v = 0) : l(0), r(0), pri(rnd()), sz(1), val(v), big(v), tag(0) {}
		} nd[MXN];
		int rt;
		
		void add_tag(int id, int _t) {
			if (id == 0) return;
			nd[id].val += _t;
			nd[id].big += _t;
			nd[id].tag += _t;
		}
		void PUSH(int id) {
			add_tag(nd[id].l, nd[id].tag);
			add_tag(nd[id].r, nd[id].tag);
			nd[id].tag = 0;
		}
		void PULL(int id) {
			nd[id].big = max({nd[nd[id].l].big, nd[nd[id].r].big, nd[id].val});
			nd[id].sz = nd[nd[id].l].sz + nd[nd[id].r].sz + 1;
		}
		int MERGE(int ta, int tb) {
			if (ta == 0) return tb;
			if (tb == 0) return ta;
			if (nd[ta].pri > nd[tb].pri) {
				PUSH(ta);
				nd[ta].r = MERGE(nd[ta].r, tb);
				PULL(ta);
				return ta;
			} else {
				PUSH(tb);
				nd[tb].l = MERGE(ta, nd[tb].l);
				PULL(tb);
				return tb;
			}
			return 0;
		}
		pii SPLIT(int rt, int k) {
			if (rt == 0) return mp(0, 0);
			int lsz = nd[nd[rt].l].sz + 1;
			PUSH(rt);
			if (lsz <= k) {
				auto [ta, tb] = SPLIT(nd[rt].r, k - lsz);
				nd[rt].r = ta;
				PULL(rt);
				return mp(rt, tb);
			} else {
				auto [ta, tb] = SPLIT(nd[rt].l, k);
				nd[rt].l = tb;
				PULL(rt);
				return mp(ta, rt);
			}
			return mp(0, 0);
		}
	}

	void INIT() {
		using namespace TREAP;
		nd[0] = NODE(-MXN);
		nd[0].sz = 0;
		vector<pii> dist;
		FOR(i, 0, n) dist.push_back(mp(a[i], i));
		sort(dist.begin(), dist.end());
		FOR(i, 0, n) MS.insert(dist[i]);
		FOR(i, 0, n) {
			nd[i + 1] = NODE(dist[i].sc - i);
		}
		rt = 1;
		FOR(i, 1, n) rt = MERGE(rt, i + 1);
		FOR(j, 1, n + 1) debug(j, nd[j]);
	}

	int SOLVE(int p, int v) {
		using namespace TREAP;
		int now = MS.order_of_key(mp(a[p], p));
		MS.erase(MS.find(mp(a[p], p)));
		int nxt = MS.order_of_key(mp(v, p));
		MS.insert(mp(v, p));
		a[p] = v;
		debug(now, nxt);
		if (now == nxt) return nd[rt].big;
		auto [ta, t1] = SPLIT(rt, min(now, nxt));
		auto [tt, td] = SPLIT(t1, abs(nxt - now) + 1);
		if (now > nxt) {
			auto [tb, tc] = SPLIT(tt, now - nxt);
			debug(ta, tb, tc, td);
			add_tag(tc, now - nxt);
			add_tag(tb, -1);
			tt = MERGE(tc, tb);
			t1 = MERGE(tt, td);
			rt = MERGE(ta, t1);
		} else {
			auto [tb, tc] = SPLIT(tt, 1);
			debug(ta, tb, tc, td, 2);
			add_tag(tb, now - nxt);
			add_tag(tc, 1);
			tt = MERGE(tc, tb);
			t1 = MERGE(tt, td);
			rt = MERGE(ta, t1);
		}
		return nd[rt].big;
	}

	void DFS(int id, int &C) {
		if (id == 0) return;
		using namespace TREAP;
		DFS(nd[id].l, C);
		debug(id, nd[id].val + C);
		C++;
		DFS(nd[id].r, C);
	}
}

ostream &operator<<(ostream &ss, TREAP::NODE a) {
	ss << '<' << a.val << ' ' << a.big << ' ' << a.tag << ' ' << a.sz << ' ' << a.l << ' ' << a.r << '>';
	return ss;
}

vector<int> countScans(vector<int> A, vector<int> X, vector<int> V) {
	::a = A;
	::n = A.size();
	int q = X.size();
	vector<int> ans;
	INIT();
	FOR(i, 0, q) {
		ans.push_back(SOLVE(X[i], V[i]));
		using namespace TREAP;
		debug(rt);
		int C = 0;
		DFS(rt, C);
		FOR(j, 1, n + 1) debug(j, nd[j]);
	}
	// for (auto &i : ans) assert(i >= 0);
	return ans;
}

Compilation message

bubblesort2.cpp: In function 'void {anonymous}::INIT()':
bubblesort2.cpp:14:20: warning: statement has no effect [-Wunused-value]
   14 | #define debug(...) 39
      |                    ^~
bubblesort2.cpp:105:20: note: in expansion of macro 'debug'
  105 |   FOR(j, 1, n + 1) debug(j, nd[j]);
      |                    ^~~~~
bubblesort2.cpp: In function 'int {anonymous}::SOLVE(int, int)':
bubblesort2.cpp:14:20: warning: statement has no effect [-Wunused-value]
   14 | #define debug(...) 39
      |                    ^~
bubblesort2.cpp:115:3: note: in expansion of macro 'debug'
  115 |   debug(now, nxt);
      |   ^~~~~
bubblesort2.cpp:14:20: warning: statement has no effect [-Wunused-value]
   14 | #define debug(...) 39
      |                    ^~
bubblesort2.cpp:121:4: note: in expansion of macro 'debug'
  121 |    debug(ta, tb, tc, td);
      |    ^~~~~
bubblesort2.cpp:14:20: warning: statement has no effect [-Wunused-value]
   14 | #define debug(...) 39
      |                    ^~
bubblesort2.cpp:129:4: note: in expansion of macro 'debug'
  129 |    debug(ta, tb, tc, td, 2);
      |    ^~~~~
bubblesort2.cpp: In function 'void {anonymous}::DFS(int, int&)':
bubblesort2.cpp:14:20: warning: statement has no effect [-Wunused-value]
   14 | #define debug(...) 39
      |                    ^~
bubblesort2.cpp:143:3: note: in expansion of macro 'debug'
  143 |   debug(id, nd[id].val + C);
      |   ^~~~~
bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:14:20: warning: statement has no effect [-Wunused-value]
   14 | #define debug(...) 39
      |                    ^~
bubblesort2.cpp:163:3: note: in expansion of macro 'debug'
  163 |   debug(rt);
      |   ^~~~~
bubblesort2.cpp:14:20: warning: statement has no effect [-Wunused-value]
   14 | #define debug(...) 39
      |                    ^~
bubblesort2.cpp:166:20: note: in expansion of macro 'debug'
  166 |   FOR(j, 1, n + 1) debug(j, nd[j]);
      |                    ^~~~~
bubblesort2.cpp: At global scope:
bubblesort2.cpp:149:10: warning: 'std::ostream& operator<<(std::ostream&, {anonymous}::TREAP::NODE)' defined but not used [-Wunused-function]
  149 | ostream &operator<<(ostream &ss, TREAP::NODE a) {
      |          ^~~~~~~~

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14328 KB Output is correct
2 Correct 13 ms 14172 KB Output is correct
3 Correct 22 ms 14168 KB Output is correct
4 Correct 24 ms 14172 KB Output is correct
5 Correct 23 ms 14324 KB Output is correct
6 Correct 22 ms 14172 KB Output is correct
7 Correct 23 ms 14172 KB Output is correct
8 Correct 22 ms 14384 KB Output is correct
9 Correct 22 ms 14172 KB Output is correct
10 Correct 22 ms 14172 KB Output is correct
11 Correct 24 ms 14172 KB Output is correct
12 Correct 26 ms 14172 KB Output is correct
13 Correct 22 ms 14168 KB Output is correct
14 Correct 23 ms 14172 KB Output is correct
15 Correct 22 ms 14424 KB Output is correct
16 Correct 22 ms 14172 KB Output is correct
17 Correct 22 ms 14380 KB Output is correct
18 Correct 21 ms 14168 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14328 KB Output is correct
2 Correct 13 ms 14172 KB Output is correct
3 Correct 22 ms 14168 KB Output is correct
4 Correct 24 ms 14172 KB Output is correct
5 Correct 23 ms 14324 KB Output is correct
6 Correct 22 ms 14172 KB Output is correct
7 Correct 23 ms 14172 KB Output is correct
8 Correct 22 ms 14384 KB Output is correct
9 Correct 22 ms 14172 KB Output is correct
10 Correct 22 ms 14172 KB Output is correct
11 Correct 24 ms 14172 KB Output is correct
12 Correct 26 ms 14172 KB Output is correct
13 Correct 22 ms 14168 KB Output is correct
14 Correct 23 ms 14172 KB Output is correct
15 Correct 22 ms 14424 KB Output is correct
16 Correct 22 ms 14172 KB Output is correct
17 Correct 22 ms 14380 KB Output is correct
18 Correct 21 ms 14168 KB Output is correct
19 Correct 193 ms 14980 KB Output is correct
20 Correct 232 ms 14940 KB Output is correct
21 Correct 207 ms 15108 KB Output is correct
22 Correct 221 ms 15264 KB Output is correct
23 Correct 222 ms 15080 KB Output is correct
24 Correct 197 ms 15060 KB Output is correct
25 Correct 189 ms 15060 KB Output is correct
26 Correct 186 ms 14940 KB Output is correct
27 Correct 173 ms 15048 KB Output is correct
28 Correct 177 ms 15048 KB Output is correct

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 549 ms 16388 KB Output is correct
2 Execution timed out 9103 ms 18148 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 14328 KB Output is correct
2 Correct 13 ms 14172 KB Output is correct
3 Correct 22 ms 14168 KB Output is correct
4 Correct 24 ms 14172 KB Output is correct
5 Correct 23 ms 14324 KB Output is correct
6 Correct 22 ms 14172 KB Output is correct
7 Correct 23 ms 14172 KB Output is correct
8 Correct 22 ms 14384 KB Output is correct
9 Correct 22 ms 14172 KB Output is correct
10 Correct 22 ms 14172 KB Output is correct
11 Correct 24 ms 14172 KB Output is correct
12 Correct 26 ms 14172 KB Output is correct
13 Correct 22 ms 14168 KB Output is correct
14 Correct 23 ms 14172 KB Output is correct
15 Correct 22 ms 14424 KB Output is correct
16 Correct 22 ms 14172 KB Output is correct
17 Correct 22 ms 14380 KB Output is correct
18 Correct 21 ms 14168 KB Output is correct
19 Correct 193 ms 14980 KB Output is correct
20 Correct 232 ms 14940 KB Output is correct
21 Correct 207 ms 15108 KB Output is correct
22 Correct 221 ms 15264 KB Output is correct
23 Correct 222 ms 15080 KB Output is correct
24 Correct 197 ms 15060 KB Output is correct
25 Correct 189 ms 15060 KB Output is correct
26 Correct 186 ms 14940 KB Output is correct
27 Correct 173 ms 15048 KB Output is correct
28 Correct 177 ms 15048 KB Output is correct
29 Correct 549 ms 16388 KB Output is correct
30 Execution timed out 9103 ms 18148 KB Time limit exceeded
31 Halted 0 ms 0 KB -