oj.uz

답안 #963423

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
963423 2024-04-15T01:53:51 Z Pring Bubble Sort 2 (JOI18_bubblesort2) C++17
38 / 100
 9000 ms 17788 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 10 ms 14168 KB Output is correct
2 Correct 12 ms 14172 KB Output is correct
3 Correct 22 ms 14172 KB Output is correct
4 Correct 23 ms 14172 KB Output is correct
5 Correct 23 ms 14172 KB Output is correct
6 Correct 22 ms 14428 KB Output is correct
7 Correct 22 ms 14172 KB Output is correct
8 Correct 23 ms 14424 KB Output is correct
9 Correct 23 ms 14172 KB Output is correct
10 Correct 22 ms 14172 KB Output is correct
11 Correct 23 ms 14172 KB Output is correct
12 Correct 26 ms 14172 KB Output is correct
13 Correct 21 ms 14152 KB Output is correct
14 Correct 22 ms 14176 KB Output is correct
15 Correct 21 ms 14168 KB Output is correct
16 Correct 21 ms 14172 KB Output is correct
17 Correct 21 ms 14336 KB Output is correct
18 Correct 21 ms 14172 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14168 KB Output is correct
2 Correct 12 ms 14172 KB Output is correct
3 Correct 22 ms 14172 KB Output is correct
4 Correct 23 ms 14172 KB Output is correct
5 Correct 23 ms 14172 KB Output is correct
6 Correct 22 ms 14428 KB Output is correct
7 Correct 22 ms 14172 KB Output is correct
8 Correct 23 ms 14424 KB Output is correct
9 Correct 23 ms 14172 KB Output is correct
10 Correct 22 ms 14172 KB Output is correct
11 Correct 23 ms 14172 KB Output is correct
12 Correct 26 ms 14172 KB Output is correct
13 Correct 21 ms 14152 KB Output is correct
14 Correct 22 ms 14176 KB Output is correct
15 Correct 21 ms 14168 KB Output is correct
16 Correct 21 ms 14172 KB Output is correct
17 Correct 21 ms 14336 KB Output is correct
18 Correct 21 ms 14172 KB Output is correct
19 Correct 167 ms 14684 KB Output is correct
20 Correct 216 ms 14936 KB Output is correct
21 Correct 209 ms 14932 KB Output is correct
22 Correct 209 ms 14932 KB Output is correct
23 Correct 204 ms 14928 KB Output is correct
24 Correct 199 ms 14932 KB Output is correct
25 Correct 182 ms 14896 KB Output is correct
26 Correct 199 ms 14932 KB Output is correct
27 Correct 175 ms 14932 KB Output is correct
28 Correct 177 ms 14932 KB Output is correct

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 538 ms 16364 KB Output is correct
2 Execution timed out 9088 ms 17788 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14168 KB Output is correct
2 Correct 12 ms 14172 KB Output is correct
3 Correct 22 ms 14172 KB Output is correct
4 Correct 23 ms 14172 KB Output is correct
5 Correct 23 ms 14172 KB Output is correct
6 Correct 22 ms 14428 KB Output is correct
7 Correct 22 ms 14172 KB Output is correct
8 Correct 23 ms 14424 KB Output is correct
9 Correct 23 ms 14172 KB Output is correct
10 Correct 22 ms 14172 KB Output is correct
11 Correct 23 ms 14172 KB Output is correct
12 Correct 26 ms 14172 KB Output is correct
13 Correct 21 ms 14152 KB Output is correct
14 Correct 22 ms 14176 KB Output is correct
15 Correct 21 ms 14168 KB Output is correct
16 Correct 21 ms 14172 KB Output is correct
17 Correct 21 ms 14336 KB Output is correct
18 Correct 21 ms 14172 KB Output is correct
19 Correct 167 ms 14684 KB Output is correct
20 Correct 216 ms 14936 KB Output is correct
21 Correct 209 ms 14932 KB Output is correct
22 Correct 209 ms 14932 KB Output is correct
23 Correct 204 ms 14928 KB Output is correct
24 Correct 199 ms 14932 KB Output is correct
25 Correct 182 ms 14896 KB Output is correct
26 Correct 199 ms 14932 KB Output is correct
27 Correct 175 ms 14932 KB Output is correct
28 Correct 177 ms 14932 KB Output is correct
29 Correct 538 ms 16364 KB Output is correct
30 Execution timed out 9088 ms 17788 KB Time limit exceeded
31 Halted 0 ms 0 KB -