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답안 #862584

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
862584 2023-10-18T14:09:13 Z Mizo_Compiler Osumnjičeni (COCI21_osumnjiceni) C++17
110 / 110
 807 ms 111392 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double ld;
#define pb push_back
#define sz(x) int(x.size())
#define all(x) x.begin(),x.end()
#define F first
#define S second
const int N = 2e5+5;
int n, mx[(1 << 20)], a[N], sp[N][18];
multiset<int, greater<>> val[N+N];

void mxupd(int l, int r, int x, int i, int v) {
	if (l == r) {
		mx[x] = v;
		return;
	}
	int m = (l + r) >> 1;
	if (i <= m)mxupd(l, m, x*2+1, i, v);
	else mxupd(m+1, r, x*2+2, i, v);
	mx[x] = max(mx[x*2+1], mx[x*2+2]);
}

int mxget(int li, int ri, int x, int l, int r) {
	if (li > r || ri < l)return 0;
	if (li >= l && ri <= r)return mx[x];
	int m = (li + ri) >> 1;
	return max(mxget(li, m, x*2+1, l, r), mxget(m+1, ri, x*2+2, l, r));
}
int l[N], r[N];
int main () {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cin >> n;
	set<int> st;
	for (int i = 1; i <= n; i++) {
		cin >> l[i] >> r[i];
		val[i].insert(0);
		val[n+i].insert(0);
		st.insert(l[i]), st.insert(r[i]);
	}
	int cur = 1;
	map<int, int> mp;
	for (auto &x : st) {
		mp[x] = cur++;
	}
	for (int i = 1; i <= n; i++) {
		l[i] = mp[l[i]], r[i] = mp[r[i]];
	}
	int cr = n;
	a[n] = n;
	val[l[n]].insert(r[n]);
	mxupd(1, 2*n, 0, l[n], r[n]);
	for (int cl = n-1; cl >= 1; cl--) {
		while (mxget(1, 2*n, 0, 1, r[cl]) >= l[cl]) {
			val[l[cr]].erase(val[l[cr]].find(r[cr]));
			mxupd(1, 2*n, 0, l[cr], *val[l[cr]].begin());
			cr--;
		}
		val[l[cl]].insert(r[cl]);
		mxupd(1, 2*n, 0, l[cl], *val[l[cl]].begin());
		a[cl] = cr;
	}
	for (int i = 1; i <= n; i++) {
		sp[i][0] = a[i];
	}
	for (int j = 1; j < 18; j++) {
		for (int i = 1; i <= n; i++) {
			if (sp[i][j-1] < n)sp[i][j] = sp[sp[i][j-1] + 1][j-1];
			else sp[i][j] = n;
		}
	}
	a[0] = -1;
	int q;
	cin >> q;
	while (q--) {
		int a, b;
		cin >> a >> b;
		int ans = 1;
		for (int i = 17; i >= 0 && a < n; i--) {
			if (sp[a][i] < b) {
				ans += (1 << i);
				a = sp[a][i] + 1;
			}
		}
		cout << ans << "\n";
	}
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 697 ms 93540 KB Output is correct
2 Correct 632 ms 96268 KB Output is correct
3 Correct 786 ms 96584 KB Output is correct
4 Correct 686 ms 97440 KB Output is correct
5 Correct 686 ms 99752 KB Output is correct
6 Correct 119 ms 59984 KB Output is correct
7 Correct 134 ms 60492 KB Output is correct
8 Correct 129 ms 60500 KB Output is correct
9 Correct 134 ms 59092 KB Output is correct
10 Correct 131 ms 58200 KB Output is correct
11 Correct 560 ms 107240 KB Output is correct
12 Correct 470 ms 102996 KB Output is correct
13 Correct 486 ms 102916 KB Output is correct
14 Correct 629 ms 103464 KB Output is correct
15 Correct 564 ms 100692 KB Output is correct
16 Correct 4 ms 25084 KB Output is correct
17 Correct 126 ms 61440 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 28504 KB Output is correct
2 Correct 15 ms 26460 KB Output is correct
3 Correct 12 ms 26456 KB Output is correct
4 Correct 12 ms 26460 KB Output is correct
5 Correct 13 ms 26516 KB Output is correct
6 Correct 10 ms 27740 KB Output is correct
7 Correct 8 ms 25692 KB Output is correct
8 Correct 9 ms 27740 KB Output is correct
9 Correct 8 ms 25688 KB Output is correct
10 Correct 8 ms 25692 KB Output is correct
11 Correct 12 ms 28892 KB Output is correct
12 Correct 11 ms 26712 KB Output is correct
13 Correct 11 ms 26712 KB Output is correct
14 Correct 13 ms 28508 KB Output is correct
15 Correct 12 ms 28508 KB Output is correct
16 Correct 4 ms 25328 KB Output is correct
17 Correct 8 ms 25692 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 28504 KB Output is correct
2 Correct 15 ms 26460 KB Output is correct
3 Correct 12 ms 26456 KB Output is correct
4 Correct 12 ms 26460 KB Output is correct
5 Correct 13 ms 26516 KB Output is correct
6 Correct 10 ms 27740 KB Output is correct
7 Correct 8 ms 25692 KB Output is correct
8 Correct 9 ms 27740 KB Output is correct
9 Correct 8 ms 25688 KB Output is correct
10 Correct 8 ms 25692 KB Output is correct
11 Correct 12 ms 28892 KB Output is correct
12 Correct 11 ms 26712 KB Output is correct
13 Correct 11 ms 26712 KB Output is correct
14 Correct 13 ms 28508 KB Output is correct
15 Correct 12 ms 28508 KB Output is correct
16 Correct 4 ms 25328 KB Output is correct
17 Correct 8 ms 25692 KB Output is correct
18 Correct 65 ms 29164 KB Output is correct
19 Correct 59 ms 28936 KB Output is correct
20 Correct 65 ms 31316 KB Output is correct
21 Correct 58 ms 28752 KB Output is correct
22 Correct 60 ms 29008 KB Output is correct
23 Correct 54 ms 27988 KB Output is correct
24 Correct 56 ms 28268 KB Output is correct
25 Correct 57 ms 28240 KB Output is correct
26 Correct 59 ms 28356 KB Output is correct
27 Correct 51 ms 27956 KB Output is correct
28 Correct 44 ms 28752 KB Output is correct
29 Correct 47 ms 28696 KB Output is correct
30 Correct 49 ms 28924 KB Output is correct
31 Correct 46 ms 28496 KB Output is correct
32 Correct 52 ms 30776 KB Output is correct
33 Correct 4 ms 24920 KB Output is correct
34 Correct 48 ms 27860 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 732 ms 96020 KB Output is correct
2 Correct 684 ms 98828 KB Output is correct
3 Correct 648 ms 94544 KB Output is correct
4 Correct 612 ms 94036 KB Output is correct
5 Correct 677 ms 95572 KB Output is correct
6 Correct 125 ms 60500 KB Output is correct
7 Correct 125 ms 59968 KB Output is correct
8 Correct 130 ms 59988 KB Output is correct
9 Correct 126 ms 59980 KB Output is correct
10 Correct 145 ms 61816 KB Output is correct
11 Correct 488 ms 102400 KB Output is correct
12 Correct 568 ms 108520 KB Output is correct
13 Correct 470 ms 102628 KB Output is correct
14 Correct 544 ms 99864 KB Output is correct
15 Correct 624 ms 104168 KB Output is correct
16 Correct 5 ms 24924 KB Output is correct
17 Correct 123 ms 60584 KB Output is correct

Subtask #5
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 697 ms 93540 KB Output is correct
2 Correct 632 ms 96268 KB Output is correct
3 Correct 786 ms 96584 KB Output is correct
4 Correct 686 ms 97440 KB Output is correct
5 Correct 686 ms 99752 KB Output is correct
6 Correct 119 ms 59984 KB Output is correct
7 Correct 134 ms 60492 KB Output is correct
8 Correct 129 ms 60500 KB Output is correct
9 Correct 134 ms 59092 KB Output is correct
10 Correct 131 ms 58200 KB Output is correct
11 Correct 560 ms 107240 KB Output is correct
12 Correct 470 ms 102996 KB Output is correct
13 Correct 486 ms 102916 KB Output is correct
14 Correct 629 ms 103464 KB Output is correct
15 Correct 564 ms 100692 KB Output is correct
16 Correct 4 ms 25084 KB Output is correct
17 Correct 126 ms 61440 KB Output is correct
18 Correct 14 ms 28504 KB Output is correct
19 Correct 15 ms 26460 KB Output is correct
20 Correct 12 ms 26456 KB Output is correct
21 Correct 12 ms 26460 KB Output is correct
22 Correct 13 ms 26516 KB Output is correct
23 Correct 10 ms 27740 KB Output is correct
24 Correct 8 ms 25692 KB Output is correct
25 Correct 9 ms 27740 KB Output is correct
26 Correct 8 ms 25688 KB Output is correct
27 Correct 8 ms 25692 KB Output is correct
28 Correct 12 ms 28892 KB Output is correct
29 Correct 11 ms 26712 KB Output is correct
30 Correct 11 ms 26712 KB Output is correct
31 Correct 13 ms 28508 KB Output is correct
32 Correct 12 ms 28508 KB Output is correct
33 Correct 4 ms 25328 KB Output is correct
34 Correct 8 ms 25692 KB Output is correct
35 Correct 65 ms 29164 KB Output is correct
36 Correct 59 ms 28936 KB Output is correct
37 Correct 65 ms 31316 KB Output is correct
38 Correct 58 ms 28752 KB Output is correct
39 Correct 60 ms 29008 KB Output is correct
40 Correct 54 ms 27988 KB Output is correct
41 Correct 56 ms 28268 KB Output is correct
42 Correct 57 ms 28240 KB Output is correct
43 Correct 59 ms 28356 KB Output is correct
44 Correct 51 ms 27956 KB Output is correct
45 Correct 44 ms 28752 KB Output is correct
46 Correct 47 ms 28696 KB Output is correct
47 Correct 49 ms 28924 KB Output is correct
48 Correct 46 ms 28496 KB Output is correct
49 Correct 52 ms 30776 KB Output is correct
50 Correct 4 ms 24920 KB Output is correct
51 Correct 48 ms 27860 KB Output is correct
52 Correct 732 ms 96020 KB Output is correct
53 Correct 684 ms 98828 KB Output is correct
54 Correct 648 ms 94544 KB Output is correct
55 Correct 612 ms 94036 KB Output is correct
56 Correct 677 ms 95572 KB Output is correct
57 Correct 125 ms 60500 KB Output is correct
58 Correct 125 ms 59968 KB Output is correct
59 Correct 130 ms 59988 KB Output is correct
60 Correct 126 ms 59980 KB Output is correct
61 Correct 145 ms 61816 KB Output is correct
62 Correct 488 ms 102400 KB Output is correct
63 Correct 568 ms 108520 KB Output is correct
64 Correct 470 ms 102628 KB Output is correct
65 Correct 544 ms 99864 KB Output is correct
66 Correct 624 ms 104168 KB Output is correct
67 Correct 5 ms 24924 KB Output is correct
68 Correct 123 ms 60584 KB Output is correct
69 Correct 807 ms 99288 KB Output is correct
70 Correct 756 ms 102680 KB Output is correct
71 Correct 693 ms 97400 KB Output is correct
72 Correct 777 ms 100644 KB Output is correct
73 Correct 742 ms 99660 KB Output is correct
74 Correct 213 ms 65520 KB Output is correct
75 Correct 199 ms 63832 KB Output is correct
76 Correct 215 ms 65616 KB Output is correct
77 Correct 236 ms 61616 KB Output is correct
78 Correct 231 ms 64092 KB Output is correct
79 Correct 574 ms 111392 KB Output is correct
80 Correct 576 ms 105780 KB Output is correct
81 Correct 529 ms 105540 KB Output is correct
82 Correct 609 ms 104084 KB Output is correct
83 Correct 599 ms 101200 KB Output is correct
84 Correct 5 ms 24920 KB Output is correct
85 Correct 173 ms 63740 KB Output is correct