oj.uz

답안 #342174

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
342174 2021-01-01T14:09:53 Z _ani Segments (IZhO18_segments) C++17
100 / 100
 3093 ms 21708 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <cmath>
using namespace std;
using ll = long long;
const int len = 1469;
int d;
struct el {
	int l, r, id;
}segs[2 * 100002];
bool operator<(const el& a, const el& b) {
	return a.r - a.l < b.r - b.l;
}
vector<el> seg, add, dl;
int del[2 * 100002];
vector<int> bl[2 * 100002], br[2 * 100002];
void Decomp()
{
	for (int i = 0; i < seg.size(); i += len)
	{
		bl[i / len].clear();
		br[i / len].clear();
	}
	seg.clear();
	for (int i = 0; i < d; i++)
		if (del[i] == 0)
			seg.push_back(segs[i]);
	sort(seg.begin(), seg.end());
	add.clear();
	dl.clear();
	for (int i = 0; i < seg.size(); i++)
	{
		bl[i / len].push_back(seg[i].l);
		br[i / len].push_back(seg[i].r);
	}
	for (int i = 0; i < seg.size(); i += len)
	{
		sort(bl[i / len].begin(), bl[i / len].end());
		sort(br[i / len].begin(), br[i / len].end());
	}
}
int Cnt(int a, int b, int k)
{
	if (a > b - k + 1)
		return 0;
	int ind = lower_bound(seg.begin(), seg.end(), el{ 0, k - 1, 0 }) - seg.begin();
	int res = 0;
	for (auto ban : add)
			if (min(ban.r, b) - max(ban.l, a) + 1 >= k)
				res++;
	for (auto ban : dl)
			if (min(ban.r, b) - max(ban.l, a) + 1 >= k)
				res--;
	int ans = (int)seg.size() - ind;
	int l = ind / len;

	for (int i = ind, end = (l + 1) * len - 1; i <= min(end, (int)seg.size() - 1); i++)
		if (seg[i].r - seg[i].l + 1 >= k)
		{
			if (seg[i].r - k < a - 1)
				ans--;
			if (seg[i].l > b - k + 1)
				ans--;
		}
	for (int i = l + 1; i <= ((int)seg.size() - 1) / len; ++i)
	{
		auto x = upper_bound(bl[i].begin(), bl[i].end(), b - k + 1);
		ans -= (bl[i].end() - x);
		x = lower_bound(br[i].begin(), br[i].end(), a + k - 1);
		//if (x != br[i].end())
		ans -= (x - br[i].begin());
	}
	return ans + res;
}
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int lastans = 0;
	int n, t;
	cin >> n >> t;
	for (int i = 0; i < n; i++)
	{
		if (i % len == 0)
			Decomp();
		int type;
		cin >> type;
		if (type == 1)
		{
			int a, b;
			cin >> a >> b;
			a = a ^ (t * lastans);
			b = b ^ (t * lastans);
			if (a > b)
				swap(a, b);
			del[d] = 0;
			add.push_back({ a,b,d });
			segs[d] = { a,b,d };
			d++;
		}
		else if (type == 2)
		{
			int id;
			cin >> id;
			id--;
			del[id] = 1;
			dl.push_back(segs[id]);
		}
		else
		{
			int a, b, k;
			cin >> a >> b >> k;
			a = a ^ (t * lastans);
			b = b ^ (t * lastans);
			if (a > b)
				swap(a, b);
			lastans = Cnt(a, b, k);
			cout << lastans << '\n';
		}
	}
	return 0;
}

Compilation message

segments.cpp: In function 'void Decomp()':
segments.cpp:20:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<el>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |  for (int i = 0; i < seg.size(); i += len)
      |                  ~~^~~~~~~~~~~~
segments.cpp:32:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<el>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |  for (int i = 0; i < seg.size(); i++)
      |                  ~~^~~~~~~~~~~~
segments.cpp:37:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<el>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |  for (int i = 0; i < seg.size(); i += len)
      |                  ~~^~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 9708 KB Output is correct
2 Correct 7 ms 9708 KB Output is correct
3 Correct 10 ms 9836 KB Output is correct
4 Correct 10 ms 9836 KB Output is correct
5 Correct 12 ms 9964 KB Output is correct
6 Correct 14 ms 9964 KB Output is correct
7 Correct 11 ms 9836 KB Output is correct
8 Correct 12 ms 9964 KB Output is correct
9 Correct 12 ms 9964 KB Output is correct
10 Correct 10 ms 9964 KB Output is correct
11 Correct 15 ms 9964 KB Output is correct
12 Correct 15 ms 9964 KB Output is correct
13 Correct 11 ms 9964 KB Output is correct
14 Correct 12 ms 9964 KB Output is correct
15 Correct 10 ms 9836 KB Output is correct
16 Correct 10 ms 9836 KB Output is correct
17 Correct 12 ms 9836 KB Output is correct
18 Correct 11 ms 9964 KB Output is correct
19 Correct 13 ms 9836 KB Output is correct
20 Correct 13 ms 9836 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 753 ms 12068 KB Output is correct
2 Correct 769 ms 11984 KB Output is correct
3 Correct 770 ms 12196 KB Output is correct
4 Correct 783 ms 12196 KB Output is correct
5 Correct 744 ms 13472 KB Output is correct
6 Correct 717 ms 13728 KB Output is correct
7 Correct 757 ms 12068 KB Output is correct
8 Correct 758 ms 12196 KB Output is correct
9 Correct 750 ms 12068 KB Output is correct
10 Correct 484 ms 11136 KB Output is correct
11 Correct 578 ms 11304 KB Output is correct
12 Correct 801 ms 13092 KB Output is correct

Subtask #3
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 79 ms 10348 KB Output is correct
2 Correct 72 ms 10348 KB Output is correct
3 Correct 94 ms 10476 KB Output is correct
4 Correct 73 ms 10348 KB Output is correct
5 Correct 876 ms 13092 KB Output is correct
6 Correct 882 ms 12708 KB Output is correct
7 Correct 879 ms 13092 KB Output is correct
8 Correct 756 ms 13728 KB Output is correct
9 Correct 732 ms 13472 KB Output is correct
10 Correct 713 ms 12644 KB Output is correct
11 Correct 202 ms 10604 KB Output is correct
12 Correct 714 ms 13216 KB Output is correct
13 Correct 668 ms 12324 KB Output is correct
14 Correct 477 ms 11560 KB Output is correct
15 Correct 439 ms 11432 KB Output is correct
16 Correct 351 ms 10988 KB Output is correct
17 Correct 859 ms 12068 KB Output is correct
18 Correct 855 ms 12196 KB Output is correct
19 Correct 861 ms 12068 KB Output is correct
20 Correct 853 ms 12068 KB Output is correct
21 Correct 225 ms 10604 KB Output is correct
22 Correct 554 ms 11684 KB Output is correct
23 Correct 644 ms 12148 KB Output is correct
24 Correct 582 ms 11812 KB Output is correct
25 Correct 82 ms 10476 KB Output is correct
26 Correct 76 ms 10348 KB Output is correct
27 Correct 81 ms 10476 KB Output is correct
28 Correct 77 ms 10348 KB Output is correct
29 Correct 671 ms 12196 KB Output is correct
30 Correct 677 ms 12288 KB Output is correct
31 Correct 726 ms 13616 KB Output is correct
32 Correct 714 ms 12580 KB Output is correct
33 Correct 682 ms 12420 KB Output is correct
34 Correct 428 ms 11304 KB Output is correct
35 Correct 628 ms 11940 KB Output is correct
36 Correct 691 ms 12576 KB Output is correct

Subtask #4
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 74 ms 10476 KB Output is correct
2 Correct 75 ms 10412 KB Output is correct
3 Correct 75 ms 10348 KB Output is correct
4 Correct 81 ms 10392 KB Output is correct
5 Correct 800 ms 13092 KB Output is correct
6 Correct 417 ms 10732 KB Output is correct
7 Correct 781 ms 13232 KB Output is correct
8 Correct 510 ms 11048 KB Output is correct
9 Correct 506 ms 11684 KB Output is correct
10 Correct 710 ms 13092 KB Output is correct
11 Correct 284 ms 10860 KB Output is correct
12 Correct 706 ms 13744 KB Output is correct
13 Correct 658 ms 12452 KB Output is correct
14 Correct 476 ms 11688 KB Output is correct
15 Correct 715 ms 13344 KB Output is correct
16 Correct 674 ms 12520 KB Output is correct
17 Correct 759 ms 12084 KB Output is correct
18 Correct 760 ms 12068 KB Output is correct
19 Correct 756 ms 12160 KB Output is correct
20 Correct 756 ms 12068 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 9708 KB Output is correct
2 Correct 7 ms 9708 KB Output is correct
3 Correct 10 ms 9836 KB Output is correct
4 Correct 10 ms 9836 KB Output is correct
5 Correct 12 ms 9964 KB Output is correct
6 Correct 14 ms 9964 KB Output is correct
7 Correct 11 ms 9836 KB Output is correct
8 Correct 12 ms 9964 KB Output is correct
9 Correct 12 ms 9964 KB Output is correct
10 Correct 10 ms 9964 KB Output is correct
11 Correct 15 ms 9964 KB Output is correct
12 Correct 15 ms 9964 KB Output is correct
13 Correct 11 ms 9964 KB Output is correct
14 Correct 12 ms 9964 KB Output is correct
15 Correct 10 ms 9836 KB Output is correct
16 Correct 10 ms 9836 KB Output is correct
17 Correct 12 ms 9836 KB Output is correct
18 Correct 11 ms 9964 KB Output is correct
19 Correct 13 ms 9836 KB Output is correct
20 Correct 13 ms 9836 KB Output is correct
21 Correct 753 ms 12068 KB Output is correct
22 Correct 769 ms 11984 KB Output is correct
23 Correct 770 ms 12196 KB Output is correct
24 Correct 783 ms 12196 KB Output is correct
25 Correct 744 ms 13472 KB Output is correct
26 Correct 717 ms 13728 KB Output is correct
27 Correct 757 ms 12068 KB Output is correct
28 Correct 758 ms 12196 KB Output is correct
29 Correct 750 ms 12068 KB Output is correct
30 Correct 484 ms 11136 KB Output is correct
31 Correct 578 ms 11304 KB Output is correct
32 Correct 801 ms 13092 KB Output is correct
33 Correct 74 ms 10476 KB Output is correct
34 Correct 75 ms 10412 KB Output is correct
35 Correct 75 ms 10348 KB Output is correct
36 Correct 81 ms 10392 KB Output is correct
37 Correct 800 ms 13092 KB Output is correct
38 Correct 417 ms 10732 KB Output is correct
39 Correct 781 ms 13232 KB Output is correct
40 Correct 510 ms 11048 KB Output is correct
41 Correct 506 ms 11684 KB Output is correct
42 Correct 710 ms 13092 KB Output is correct
43 Correct 284 ms 10860 KB Output is correct
44 Correct 706 ms 13744 KB Output is correct
45 Correct 658 ms 12452 KB Output is correct
46 Correct 476 ms 11688 KB Output is correct
47 Correct 715 ms 13344 KB Output is correct
48 Correct 674 ms 12520 KB Output is correct
49 Correct 759 ms 12084 KB Output is correct
50 Correct 760 ms 12068 KB Output is correct
51 Correct 756 ms 12160 KB Output is correct
52 Correct 756 ms 12068 KB Output is correct
53 Correct 77 ms 10440 KB Output is correct
54 Correct 80 ms 10444 KB Output is correct
55 Correct 74 ms 10348 KB Output is correct
56 Correct 74 ms 10420 KB Output is correct
57 Correct 629 ms 11420 KB Output is correct
58 Correct 346 ms 10732 KB Output is correct
59 Correct 800 ms 12468 KB Output is correct
60 Correct 328 ms 10604 KB Output is correct
61 Correct 649 ms 12324 KB Output is correct
62 Correct 724 ms 13344 KB Output is correct
63 Correct 715 ms 13548 KB Output is correct
64 Correct 718 ms 13344 KB Output is correct
65 Correct 356 ms 11056 KB Output is correct
66 Correct 314 ms 10988 KB Output is correct
67 Correct 677 ms 12580 KB Output is correct
68 Correct 603 ms 12068 KB Output is correct
69 Correct 749 ms 12196 KB Output is correct
70 Correct 757 ms 12136 KB Output is correct
71 Correct 751 ms 12068 KB Output is correct
72 Correct 780 ms 12276 KB Output is correct
73 Correct 401 ms 11432 KB Output is correct
74 Correct 599 ms 12068 KB Output is correct
75 Correct 702 ms 13616 KB Output is correct
76 Correct 719 ms 13492 KB Output is correct
77 Correct 77 ms 10348 KB Output is correct
78 Correct 74 ms 10348 KB Output is correct
79 Correct 78 ms 10348 KB Output is correct
80 Correct 75 ms 10348 KB Output is correct
81 Correct 582 ms 11856 KB Output is correct
82 Correct 402 ms 11176 KB Output is correct
83 Correct 279 ms 11116 KB Output is correct
84 Correct 585 ms 11940 KB Output is correct
85 Correct 685 ms 12600 KB Output is correct
86 Correct 692 ms 13132 KB Output is correct
87 Correct 515 ms 11684 KB Output is correct
88 Correct 283 ms 10860 KB Output is correct

Subtask #6
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 9708 KB Output is correct
2 Correct 7 ms 9708 KB Output is correct
3 Correct 10 ms 9836 KB Output is correct
4 Correct 10 ms 9836 KB Output is correct
5 Correct 12 ms 9964 KB Output is correct
6 Correct 14 ms 9964 KB Output is correct
7 Correct 11 ms 9836 KB Output is correct
8 Correct 12 ms 9964 KB Output is correct
9 Correct 12 ms 9964 KB Output is correct
10 Correct 10 ms 9964 KB Output is correct
11 Correct 15 ms 9964 KB Output is correct
12 Correct 15 ms 9964 KB Output is correct
13 Correct 11 ms 9964 KB Output is correct
14 Correct 12 ms 9964 KB Output is correct
15 Correct 10 ms 9836 KB Output is correct
16 Correct 10 ms 9836 KB Output is correct
17 Correct 12 ms 9836 KB Output is correct
18 Correct 11 ms 9964 KB Output is correct
19 Correct 13 ms 9836 KB Output is correct
20 Correct 13 ms 9836 KB Output is correct
21 Correct 753 ms 12068 KB Output is correct
22 Correct 769 ms 11984 KB Output is correct
23 Correct 770 ms 12196 KB Output is correct
24 Correct 783 ms 12196 KB Output is correct
25 Correct 744 ms 13472 KB Output is correct
26 Correct 717 ms 13728 KB Output is correct
27 Correct 757 ms 12068 KB Output is correct
28 Correct 758 ms 12196 KB Output is correct
29 Correct 750 ms 12068 KB Output is correct
30 Correct 484 ms 11136 KB Output is correct
31 Correct 578 ms 11304 KB Output is correct
32 Correct 801 ms 13092 KB Output is correct
33 Correct 79 ms 10348 KB Output is correct
34 Correct 72 ms 10348 KB Output is correct
35 Correct 94 ms 10476 KB Output is correct
36 Correct 73 ms 10348 KB Output is correct
37 Correct 876 ms 13092 KB Output is correct
38 Correct 882 ms 12708 KB Output is correct
39 Correct 879 ms 13092 KB Output is correct
40 Correct 756 ms 13728 KB Output is correct
41 Correct 732 ms 13472 KB Output is correct
42 Correct 713 ms 12644 KB Output is correct
43 Correct 202 ms 10604 KB Output is correct
44 Correct 714 ms 13216 KB Output is correct
45 Correct 668 ms 12324 KB Output is correct
46 Correct 477 ms 11560 KB Output is correct
47 Correct 439 ms 11432 KB Output is correct
48 Correct 351 ms 10988 KB Output is correct
49 Correct 859 ms 12068 KB Output is correct
50 Correct 855 ms 12196 KB Output is correct
51 Correct 861 ms 12068 KB Output is correct
52 Correct 853 ms 12068 KB Output is correct
53 Correct 225 ms 10604 KB Output is correct
54 Correct 554 ms 11684 KB Output is correct
55 Correct 644 ms 12148 KB Output is correct
56 Correct 582 ms 11812 KB Output is correct
57 Correct 82 ms 10476 KB Output is correct
58 Correct 76 ms 10348 KB Output is correct
59 Correct 81 ms 10476 KB Output is correct
60 Correct 77 ms 10348 KB Output is correct
61 Correct 671 ms 12196 KB Output is correct
62 Correct 677 ms 12288 KB Output is correct
63 Correct 726 ms 13616 KB Output is correct
64 Correct 714 ms 12580 KB Output is correct
65 Correct 682 ms 12420 KB Output is correct
66 Correct 428 ms 11304 KB Output is correct
67 Correct 628 ms 11940 KB Output is correct
68 Correct 691 ms 12576 KB Output is correct
69 Correct 74 ms 10476 KB Output is correct
70 Correct 75 ms 10412 KB Output is correct
71 Correct 75 ms 10348 KB Output is correct
72 Correct 81 ms 10392 KB Output is correct
73 Correct 800 ms 13092 KB Output is correct
74 Correct 417 ms 10732 KB Output is correct
75 Correct 781 ms 13232 KB Output is correct
76 Correct 510 ms 11048 KB Output is correct
77 Correct 506 ms 11684 KB Output is correct
78 Correct 710 ms 13092 KB Output is correct
79 Correct 284 ms 10860 KB Output is correct
80 Correct 706 ms 13744 KB Output is correct
81 Correct 658 ms 12452 KB Output is correct
82 Correct 476 ms 11688 KB Output is correct
83 Correct 715 ms 13344 KB Output is correct
84 Correct 674 ms 12520 KB Output is correct
85 Correct 759 ms 12084 KB Output is correct
86 Correct 760 ms 12068 KB Output is correct
87 Correct 756 ms 12160 KB Output is correct
88 Correct 756 ms 12068 KB Output is correct
89 Correct 77 ms 10440 KB Output is correct
90 Correct 80 ms 10444 KB Output is correct
91 Correct 74 ms 10348 KB Output is correct
92 Correct 74 ms 10420 KB Output is correct
93 Correct 629 ms 11420 KB Output is correct
94 Correct 346 ms 10732 KB Output is correct
95 Correct 800 ms 12468 KB Output is correct
96 Correct 328 ms 10604 KB Output is correct
97 Correct 649 ms 12324 KB Output is correct
98 Correct 724 ms 13344 KB Output is correct
99 Correct 715 ms 13548 KB Output is correct
100 Correct 718 ms 13344 KB Output is correct
101 Correct 356 ms 11056 KB Output is correct
102 Correct 314 ms 10988 KB Output is correct
103 Correct 677 ms 12580 KB Output is correct
104 Correct 603 ms 12068 KB Output is correct
105 Correct 749 ms 12196 KB Output is correct
106 Correct 757 ms 12136 KB Output is correct
107 Correct 751 ms 12068 KB Output is correct
108 Correct 780 ms 12276 KB Output is correct
109 Correct 401 ms 11432 KB Output is correct
110 Correct 599 ms 12068 KB Output is correct
111 Correct 702 ms 13616 KB Output is correct
112 Correct 719 ms 13492 KB Output is correct
113 Correct 77 ms 10348 KB Output is correct
114 Correct 74 ms 10348 KB Output is correct
115 Correct 78 ms 10348 KB Output is correct
116 Correct 75 ms 10348 KB Output is correct
117 Correct 582 ms 11856 KB Output is correct
118 Correct 402 ms 11176 KB Output is correct
119 Correct 279 ms 11116 KB Output is correct
120 Correct 585 ms 11940 KB Output is correct
121 Correct 685 ms 12600 KB Output is correct
122 Correct 692 ms 13132 KB Output is correct
123 Correct 515 ms 11684 KB Output is correct
124 Correct 283 ms 10860 KB Output is correct
125 Correct 149 ms 11120 KB Output is correct
126 Correct 152 ms 11116 KB Output is correct
127 Correct 169 ms 10988 KB Output is correct
128 Correct 156 ms 10988 KB Output is correct
129 Correct 149 ms 11116 KB Output is correct
130 Correct 158 ms 10988 KB Output is correct
131 Correct 1066 ms 11560 KB Output is correct
132 Correct 2633 ms 14900 KB Output is correct
133 Correct 3047 ms 20756 KB Output is correct
134 Correct 1443 ms 18216 KB Output is correct
135 Correct 3093 ms 20908 KB Output is correct
136 Correct 560 ms 17132 KB Output is correct
137 Correct 2797 ms 21532 KB Output is correct
138 Correct 2397 ms 18844 KB Output is correct
139 Correct 2711 ms 20396 KB Output is correct
140 Correct 2820 ms 21020 KB Output is correct
141 Correct 2598 ms 20128 KB Output is correct
142 Correct 544 ms 15852 KB Output is correct
143 Correct 1205 ms 16804 KB Output is correct
144 Correct 412 ms 15724 KB Output is correct
145 Correct 2803 ms 21020 KB Output is correct
146 Correct 1823 ms 17696 KB Output is correct
147 Correct 1264 ms 16932 KB Output is correct
148 Correct 1150 ms 16676 KB Output is correct
149 Correct 2792 ms 19752 KB Output is correct
150 Correct 2827 ms 19784 KB Output is correct
151 Correct 2802 ms 19940 KB Output is correct
152 Correct 2807 ms 20008 KB Output is correct
153 Correct 2789 ms 19760 KB Output is correct
154 Correct 2803 ms 19676 KB Output is correct
155 Correct 821 ms 16296 KB Output is correct
156 Correct 1342 ms 16804 KB Output is correct
157 Correct 2800 ms 21156 KB Output is correct
158 Correct 2806 ms 21268 KB Output is correct
159 Correct 2492 ms 19288 KB Output is correct
160 Correct 1919 ms 17832 KB Output is correct
161 Correct 165 ms 15212 KB Output is correct
162 Correct 164 ms 15340 KB Output is correct
163 Correct 163 ms 15212 KB Output is correct
164 Correct 219 ms 15340 KB Output is correct
165 Correct 173 ms 15340 KB Output is correct
166 Correct 159 ms 15232 KB Output is correct
167 Correct 2796 ms 21708 KB Output is correct
168 Correct 2798 ms 21604 KB Output is correct
169 Correct 2801 ms 21156 KB Output is correct
170 Correct 2803 ms 20892 KB Output is correct
171 Correct 2591 ms 19744 KB Output is correct
172 Correct 1666 ms 17488 KB Output is correct
173 Correct 2811 ms 21276 KB Output is correct
174 Correct 1773 ms 17700 KB Output is correct
175 Correct 2652 ms 19848 KB Output is correct
176 Correct 1149 ms 16548 KB Output is correct
177 Correct 2460 ms 19172 KB Output is correct
178 Correct 2358 ms 18876 KB Output is correct