oj.uz

답안 #651132

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
651132 2022-10-17T10:18:26 Z rsjw Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
 1866 ms 62792 KB 
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <vector>
using namespace std;

const int MAXN = 1e6 + 5;
int maxn[MAXN * 4 + 10], lazy[MAXN * 4 + 10];

void pushup(int rt) { maxn[rt] = max(maxn[rt << 1], maxn[rt << 1 | 1]); }
void pushdown(int rt) {
	if (lazy[rt]) {
		maxn[rt << 1] += lazy[rt], maxn[rt << 1 | 1] += lazy[rt];
		lazy[rt << 1] += lazy[rt], lazy[rt << 1 | 1] += lazy[rt];
		lazy[rt] = 0;
	}
}
void update(int L, int R, int I, int l = 1, int r = MAXN, int rt = 1) {
	if (L <= l && r <= R) {
		maxn[rt] += I, lazy[rt] += I;
		return;
	}
	int m = (l + r) / 2;
	pushdown(rt);
	if (L <= m)
		update(L, R, I, l, m, rt << 1);
	if (R > m)
		update(L, R, I, m + 1, r, rt << 1 | 1);
	pushup(rt);
}
int query(int L, int R, int l = 1, int r = MAXN, int rt = 1) {
	if (L <= l && r <= R)
		return maxn[rt];
	int m = (l + r) / 2, ans = -1e9, placed = 0;
	pushdown(rt);
	if (L <= m) {
		ans = query(L, R, l, m, rt << 1);
		placed = 1;
	}
	if (R > m) {
		if(placed) ans = max(ans, query(L, R, m + 1, r, rt << 1 | 1));
		else ans = query(L, R, m + 1, r, rt << 1 | 1);
	}
	return ans;
}
void p_update(int x, int I, int len = MAXN) {
	int v = query(x, x);
	update(x, x, I - v);
}

typedef pair<int, int> pr;
#define mp make_pair
pr pool[MAXN];
int tot;

struct BIT {
	int t[MAXN + 20];
	void update(int x, int I) {
		while (x <= MAXN)
			t[x] += I, x += x & -x;
	}
	int query(int x) {
		int ans = 0;
		while (x)
			ans += t[x], x -= x & -x;
		return ans;
	}
} T;

void compress(int &x, int id) {
	x = lower_bound(pool + 1, pool + tot + 1, mp(x, id)) - pool;
}
std::vector<int> countScans(std::vector<int> A, std::vector<int> X,
                            std::vector<int> V) {
	int Q = X.size(), N = A.size();
	std::vector<int> answer(Q);
	for (int i = 0; i < N; i++)
		pool[++tot] = mp(A[i], i);
	for (int i = 0; i < Q; i++)
		pool[++tot] = mp(V[i], X[i]);
	sort(pool + 1, pool + tot + 1);
	tot = unique(pool + 1, pool + tot + 1) - pool - 1;
	// for (i = 1; i <= tot; i++) {
	// 	printf("%d %d\n",pool[i].first,pool[i].second);
	// }
	for (int i = 0; i < N; i++)
		compress(A[i], i), T.update(A[i], 1);
	for (int i = 0; i < Q; i++)
		compress(V[i], X[i]);
	for (int i = 0; i < 4 * MAXN + 10; i++)
		maxn[i] = -1e7;
	for (int i = 0; i < N; i++) {
		p_update(A[i], i - T.query(A[i] - 1));
		// cerr<<"ID"<<A[i]<<"EXPECTED"<<i - T.query(A[i] - 1)<<endl;
	}

	// cerr << "Compressed Results:" << endl;
	// for (int i = 0; i < N; i++)
	// 	cerr << A[i] << " \n"[i == N - 1];
	// for (int i = 0; i < Q; i++)
	// 	cerr << X[i] << " " << V[i] << endl;

	for (int i = 0; i < Q; i++) {
		int src = A[X[i]];

		// cerr << "SGT - before:" << endl;
		// for (int i = 1; i <= 7; i++)
		// 	cerr << query(i, i) << " \n"[i == 7];

		if (src == V[i]) {
			answer[i] = query(1, MAXN);
			continue;
		}
		T.update(src, -1);
		T.update(V[i], 1);
		p_update(src, -1e7);
		p_update(V[i], X[i] - T.query(V[i] - 1));

		if (src < V[i]) {
			if (src + 1 <= V[i] - 1)
				update(src + 1, V[i] - 1, 1);
		} else {
			if (V[i] + 1 <= src - 1)
				update(V[i] + 1, src - 1, -1);
		}
		A[X[i]] = V[i];
		answer[i] = query(1, MAXN);
	}
	return answer;
}

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 16084 KB Output is correct
2 Correct 13 ms 16104 KB Output is correct
3 Correct 13 ms 16188 KB Output is correct
4 Correct 14 ms 16192 KB Output is correct
5 Correct 14 ms 16240 KB Output is correct
6 Correct 13 ms 16200 KB Output is correct
7 Correct 13 ms 16212 KB Output is correct
8 Correct 12 ms 16156 KB Output is correct
9 Correct 13 ms 16128 KB Output is correct
10 Correct 12 ms 16212 KB Output is correct
11 Correct 14 ms 16092 KB Output is correct
12 Correct 28 ms 16212 KB Output is correct
13 Correct 16 ms 16112 KB Output is correct
14 Correct 16 ms 16092 KB Output is correct
15 Correct 13 ms 16212 KB Output is correct
16 Correct 12 ms 16212 KB Output is correct
17 Correct 12 ms 16120 KB Output is correct
18 Correct 12 ms 16212 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 16084 KB Output is correct
2 Correct 13 ms 16104 KB Output is correct
3 Correct 13 ms 16188 KB Output is correct
4 Correct 14 ms 16192 KB Output is correct
5 Correct 14 ms 16240 KB Output is correct
6 Correct 13 ms 16200 KB Output is correct
7 Correct 13 ms 16212 KB Output is correct
8 Correct 12 ms 16156 KB Output is correct
9 Correct 13 ms 16128 KB Output is correct
10 Correct 12 ms 16212 KB Output is correct
11 Correct 14 ms 16092 KB Output is correct
12 Correct 28 ms 16212 KB Output is correct
13 Correct 16 ms 16112 KB Output is correct
14 Correct 16 ms 16092 KB Output is correct
15 Correct 13 ms 16212 KB Output is correct
16 Correct 12 ms 16212 KB Output is correct
17 Correct 12 ms 16120 KB Output is correct
18 Correct 12 ms 16212 KB Output is correct
19 Correct 24 ms 16680 KB Output is correct
20 Correct 26 ms 16768 KB Output is correct
21 Correct 32 ms 16724 KB Output is correct
22 Correct 27 ms 16724 KB Output is correct
23 Correct 27 ms 16672 KB Output is correct
24 Correct 31 ms 16820 KB Output is correct
25 Correct 26 ms 16712 KB Output is correct
26 Correct 25 ms 16692 KB Output is correct
27 Correct 26 ms 16668 KB Output is correct
28 Correct 26 ms 16620 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 16808 KB Output is correct
2 Correct 83 ms 18380 KB Output is correct
3 Correct 130 ms 19968 KB Output is correct
4 Correct 141 ms 19940 KB Output is correct
5 Correct 150 ms 19980 KB Output is correct
6 Correct 150 ms 19864 KB Output is correct
7 Correct 134 ms 19916 KB Output is correct
8 Correct 125 ms 19824 KB Output is correct
9 Correct 129 ms 19816 KB Output is correct
10 Correct 92 ms 19304 KB Output is correct
11 Correct 89 ms 19344 KB Output is correct
12 Correct 84 ms 19388 KB Output is correct
13 Correct 98 ms 19312 KB Output is correct
14 Correct 109 ms 19288 KB Output is correct
15 Correct 102 ms 19532 KB Output is correct
16 Correct 110 ms 19328 KB Output is correct
17 Correct 111 ms 19404 KB Output is correct
18 Correct 110 ms 19308 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 16084 KB Output is correct
2 Correct 13 ms 16104 KB Output is correct
3 Correct 13 ms 16188 KB Output is correct
4 Correct 14 ms 16192 KB Output is correct
5 Correct 14 ms 16240 KB Output is correct
6 Correct 13 ms 16200 KB Output is correct
7 Correct 13 ms 16212 KB Output is correct
8 Correct 12 ms 16156 KB Output is correct
9 Correct 13 ms 16128 KB Output is correct
10 Correct 12 ms 16212 KB Output is correct
11 Correct 14 ms 16092 KB Output is correct
12 Correct 28 ms 16212 KB Output is correct
13 Correct 16 ms 16112 KB Output is correct
14 Correct 16 ms 16092 KB Output is correct
15 Correct 13 ms 16212 KB Output is correct
16 Correct 12 ms 16212 KB Output is correct
17 Correct 12 ms 16120 KB Output is correct
18 Correct 12 ms 16212 KB Output is correct
19 Correct 24 ms 16680 KB Output is correct
20 Correct 26 ms 16768 KB Output is correct
21 Correct 32 ms 16724 KB Output is correct
22 Correct 27 ms 16724 KB Output is correct
23 Correct 27 ms 16672 KB Output is correct
24 Correct 31 ms 16820 KB Output is correct
25 Correct 26 ms 16712 KB Output is correct
26 Correct 25 ms 16692 KB Output is correct
27 Correct 26 ms 16668 KB Output is correct
28 Correct 26 ms 16620 KB Output is correct
29 Correct 36 ms 16808 KB Output is correct
30 Correct 83 ms 18380 KB Output is correct
31 Correct 130 ms 19968 KB Output is correct
32 Correct 141 ms 19940 KB Output is correct
33 Correct 150 ms 19980 KB Output is correct
34 Correct 150 ms 19864 KB Output is correct
35 Correct 134 ms 19916 KB Output is correct
36 Correct 125 ms 19824 KB Output is correct
37 Correct 129 ms 19816 KB Output is correct
38 Correct 92 ms 19304 KB Output is correct
39 Correct 89 ms 19344 KB Output is correct
40 Correct 84 ms 19388 KB Output is correct
41 Correct 98 ms 19312 KB Output is correct
42 Correct 109 ms 19288 KB Output is correct
43 Correct 102 ms 19532 KB Output is correct
44 Correct 110 ms 19328 KB Output is correct
45 Correct 111 ms 19404 KB Output is correct
46 Correct 110 ms 19308 KB Output is correct
47 Correct 447 ms 29628 KB Output is correct
48 Correct 1685 ms 53680 KB Output is correct
49 Correct 1866 ms 62460 KB Output is correct
50 Correct 1825 ms 62536 KB Output is correct
51 Correct 1821 ms 62632 KB Output is correct
52 Correct 1747 ms 62508 KB Output is correct
53 Correct 1749 ms 62508 KB Output is correct
54 Correct 1796 ms 62664 KB Output is correct
55 Correct 1863 ms 62792 KB Output is correct
56 Correct 1579 ms 62680 KB Output is correct
57 Correct 1706 ms 62680 KB Output is correct
58 Correct 1591 ms 62716 KB Output is correct
59 Correct 1535 ms 59960 KB Output is correct
60 Correct 1509 ms 59836 KB Output is correct
61 Correct 1563 ms 59848 KB Output is correct
62 Correct 1491 ms 58964 KB Output is correct
63 Correct 1464 ms 59028 KB Output is correct
64 Correct 1463 ms 59016 KB Output is correct
65 Correct 1448 ms 58072 KB Output is correct
66 Correct 1407 ms 58052 KB Output is correct
67 Correct 1436 ms 58140 KB Output is correct