oj.uz

답안 #99638

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
99638 2019-03-06T02:14:32 Z jasony123123 Bubble Sort 2 (JOI18_bubblesort2) C++11
100 / 100
 2901 ms 57464 KB 
#define _CRT_SECURE_NO_WARNINGS
#include "bubblesort2.h"
#include <bits/stdc++.h>
#include <array>
//#include <ext/pb_ds/tree_policy.hpp>
//#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
//using namespace __gnu_pbds;

#define FOR(i,start,end) for(int i=start;i<(int)(end);i++)
#define FORE(i,start,end) for(int i=start;i<=(int)end;i++)
#define RFOR(i,start,end) for(int i = start; i>end; i--)
#define RFORE(i,start,end) for(int i = start; i>=end; i--)
#define all(a) a.begin(), a.end()
#define mt make_tuple
#define mp make_pair
#define v vector
#define sf scanf
#define pf printf
#define dvar(x) cout << #x << " := " << x << "\n"
#define darr(x,n) FOR(i,0,n) cout << #x << "[" << i << "]" << " := " << x[i] << "\n"

typedef long long ll;
typedef long double ld;
typedef pair<int, int > pii;
typedef pair<ll, ll> pll;
//template <class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T> void minn(T &a, T b) { a = min(a, b); }
template<class T> void maxx(T &a, T b) { a = max(a, b); }

void io() {
#ifdef LOCAL_PROJECT 
	freopen("input.in", "r", stdin); freopen("output.out", "w", stdout);
#else 

#endif 
	ios_base::sync_with_stdio(false); cin.tie(NULL);
}
/***************************JOI Open 18 - bubblesort***********************************/

const int inf = 1 << 20;
struct LazySegTree {
	int sz;
	v<int> data, lazy;

	void init(int n, int val) {
		data = v<int>(4 * n, val), lazy = v<int>(4 * n, 0);
		sz = n;
	}
	void prop(int ind, int L, int R) {
		if (lazy[ind] != 0) {
			data[ind] += lazy[ind];
			if (L != R) {
				lazy[2 * ind] += lazy[ind];
				lazy[2 * ind + 1] += lazy[ind];
			}
			lazy[ind] = 0;
		}
	}
	void combine(int ind) {
		data[ind] = max(data[2 * ind], data[2 * ind + 1]);
	}

	int query() {
		return query(0, sz - 1, 1, 0, sz - 1);
	}
	void update(int lo, int hi, int val) {
		update(lo, hi, val, 1, 0, sz - 1);
	}

	void update(int lo, int hi, int val, int ind, int L, int R) {
		prop(ind, L, R);
		if (hi < L || R < lo) return;
		if (lo <= L && R <= hi) {
			lazy[ind] += val;
			prop(ind, L, R);
			return;
		}
		int M = (L + R) / 2;
		update(lo, hi, val, 2 * ind, L, M); update(lo, hi, val, 2 * ind + 1, M + 1, R);
		combine(ind);
	}
	int query(int lo, int hi, int ind, int L, int R) {
		prop(ind, L, R);
		if (lo > R || L > hi) return -inf;
		if (lo <= L && R <= hi) return data[ind];
		int M = (L + R) / 2;
		return max(query(lo, hi, 2 * ind, L, M), query(lo, hi, 2 * ind + 1, M + 1, R));
	}
};

v<int> countScans(v<int> A, v<int> X, v<int> V) {
	int n = A.size(), q = X.size();

	// compress
	v<pii> dat;
	dat.reserve(n + q);
	FOR(i, 0, n) dat.push_back({ A[i], i });
	FOR(i, 0, q) dat.push_back({ V[i], X[i] });
	sort(all(dat));
	dat.resize(unique(all(dat)) - dat.begin());
	FOR(i, 0, n) A[i] = lower_bound(all(dat), mp(A[i], i)) - dat.begin();
	FOR(i, 0, q) V[i] = lower_bound(all(dat), mp(V[i], X[i])) - dat.begin();

	// init
	LazySegTree tree;
	tree.init(dat.size(), -inf);
	FOR(i, 0, n) {
		tree.update(A[i] + 1, tree.sz - 1, -1);
		tree.update(A[i], A[i], inf+i);
	}

	// process q
	v<int> ans(q);
	FOR(i, 0, q) {
		int pos = X[i];
		int _new = V[i];
		int _old = A[pos];

		tree.update(_old, _old, -inf - pos);
		tree.update(_new, _new, inf + pos);
		if (_new < _old)
			tree.update(_new + 1, _old, -1);
		else if (_new > _old)
			tree.update(_old + 1, _new, +1);

		A[pos] = _new;
		ans[i] = tree.query();
	}

	return ans;
}
//
//int main() {
//	io();
//	countScans({ 1,2,3,4 }, { 0,2 }, { 3,1 });
//}

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 8 ms 512 KB Output is correct
4 Correct 7 ms 640 KB Output is correct
5 Correct 9 ms 512 KB Output is correct
6 Correct 7 ms 512 KB Output is correct
7 Correct 8 ms 512 KB Output is correct
8 Correct 6 ms 512 KB Output is correct
9 Correct 6 ms 512 KB Output is correct
10 Correct 7 ms 512 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 512 KB Output is correct
13 Correct 8 ms 512 KB Output is correct
14 Correct 7 ms 512 KB Output is correct
15 Correct 6 ms 512 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
17 Correct 6 ms 512 KB Output is correct
18 Correct 6 ms 512 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 8 ms 512 KB Output is correct
4 Correct 7 ms 640 KB Output is correct
5 Correct 9 ms 512 KB Output is correct
6 Correct 7 ms 512 KB Output is correct
7 Correct 8 ms 512 KB Output is correct
8 Correct 6 ms 512 KB Output is correct
9 Correct 6 ms 512 KB Output is correct
10 Correct 7 ms 512 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 512 KB Output is correct
13 Correct 8 ms 512 KB Output is correct
14 Correct 7 ms 512 KB Output is correct
15 Correct 6 ms 512 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
17 Correct 6 ms 512 KB Output is correct
18 Correct 6 ms 512 KB Output is correct
19 Correct 18 ms 1152 KB Output is correct
20 Correct 24 ms 1132 KB Output is correct
21 Correct 27 ms 1272 KB Output is correct
22 Correct 25 ms 1152 KB Output is correct
23 Correct 20 ms 1152 KB Output is correct
24 Correct 20 ms 1152 KB Output is correct
25 Correct 20 ms 896 KB Output is correct
26 Correct 19 ms 1152 KB Output is correct
27 Correct 17 ms 1024 KB Output is correct
28 Correct 18 ms 1024 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 1792 KB Output is correct
2 Correct 109 ms 3704 KB Output is correct
3 Correct 145 ms 5644 KB Output is correct
4 Correct 169 ms 5624 KB Output is correct
5 Correct 151 ms 5752 KB Output is correct
6 Correct 202 ms 5624 KB Output is correct
7 Correct 147 ms 5368 KB Output is correct
8 Correct 156 ms 5576 KB Output is correct
9 Correct 142 ms 5472 KB Output is correct
10 Correct 139 ms 4288 KB Output is correct
11 Correct 109 ms 4292 KB Output is correct
12 Correct 108 ms 4216 KB Output is correct
13 Correct 96 ms 4216 KB Output is correct
14 Correct 94 ms 4172 KB Output is correct
15 Correct 94 ms 4188 KB Output is correct
16 Correct 115 ms 4244 KB Output is correct
17 Correct 98 ms 4216 KB Output is correct
18 Correct 94 ms 4216 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 8 ms 512 KB Output is correct
4 Correct 7 ms 640 KB Output is correct
5 Correct 9 ms 512 KB Output is correct
6 Correct 7 ms 512 KB Output is correct
7 Correct 8 ms 512 KB Output is correct
8 Correct 6 ms 512 KB Output is correct
9 Correct 6 ms 512 KB Output is correct
10 Correct 7 ms 512 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 512 KB Output is correct
13 Correct 8 ms 512 KB Output is correct
14 Correct 7 ms 512 KB Output is correct
15 Correct 6 ms 512 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
17 Correct 6 ms 512 KB Output is correct
18 Correct 6 ms 512 KB Output is correct
19 Correct 18 ms 1152 KB Output is correct
20 Correct 24 ms 1132 KB Output is correct
21 Correct 27 ms 1272 KB Output is correct
22 Correct 25 ms 1152 KB Output is correct
23 Correct 20 ms 1152 KB Output is correct
24 Correct 20 ms 1152 KB Output is correct
25 Correct 20 ms 896 KB Output is correct
26 Correct 19 ms 1152 KB Output is correct
27 Correct 17 ms 1024 KB Output is correct
28 Correct 18 ms 1024 KB Output is correct
29 Correct 32 ms 1792 KB Output is correct
30 Correct 109 ms 3704 KB Output is correct
31 Correct 145 ms 5644 KB Output is correct
32 Correct 169 ms 5624 KB Output is correct
33 Correct 151 ms 5752 KB Output is correct
34 Correct 202 ms 5624 KB Output is correct
35 Correct 147 ms 5368 KB Output is correct
36 Correct 156 ms 5576 KB Output is correct
37 Correct 142 ms 5472 KB Output is correct
38 Correct 139 ms 4288 KB Output is correct
39 Correct 109 ms 4292 KB Output is correct
40 Correct 108 ms 4216 KB Output is correct
41 Correct 96 ms 4216 KB Output is correct
42 Correct 94 ms 4172 KB Output is correct
43 Correct 94 ms 4188 KB Output is correct
44 Correct 115 ms 4244 KB Output is correct
45 Correct 98 ms 4216 KB Output is correct
46 Correct 94 ms 4216 KB Output is correct
47 Correct 607 ms 15872 KB Output is correct
48 Correct 2326 ms 53112 KB Output is correct
49 Correct 2581 ms 57436 KB Output is correct
50 Correct 2492 ms 57336 KB Output is correct
51 Correct 2694 ms 57436 KB Output is correct
52 Correct 2641 ms 57364 KB Output is correct
53 Correct 2901 ms 57464 KB Output is correct
54 Correct 2455 ms 57368 KB Output is correct
55 Correct 2569 ms 57336 KB Output is correct
56 Correct 2609 ms 57336 KB Output is correct
57 Correct 2574 ms 57244 KB Output is correct
58 Correct 2473 ms 57336 KB Output is correct
59 Correct 2095 ms 53468 KB Output is correct
60 Correct 2477 ms 53368 KB Output is correct
61 Correct 2170 ms 53288 KB Output is correct
62 Correct 1980 ms 51448 KB Output is correct
63 Correct 1992 ms 51428 KB Output is correct
64 Correct 2144 ms 51448 KB Output is correct
65 Correct 2085 ms 49180 KB Output is correct
66 Correct 2164 ms 49400 KB Output is correct
67 Correct 2021 ms 49276 KB Output is correct