oj.uz

Submission #798594

# Submission time Handle Problem Language Result Execution time Memory
798594 2023-07-30T21:20:25 Z kingfran1907 Segments (IZhO18_segments) C++14
75 / 100
 5000 ms 17212 KB 
#include <bits/stdc++.h>
#define X first
#define Y second

using namespace std;
typedef long long llint;

const int maxn = 2e5+10;
const int block = 450;

int n, t;
int cnt = 0;
vector< int > lef[maxn], rig[maxn];
int L[maxn], R[maxn];
int bio[maxn];
vector< pair<int, int> > v;
vector< int > inds;

bool cmp(int x, int y) {
	return R[x] - L[x] < R[y] - L[y];
}

int inter(pair<int, int> a, pair<int, int> b) {
	return min(a.Y, b.Y) - max(a.X, b.X) + 1;
}

int main() {
	scanf("%d%d", &n, &t);
	int lastans = 0;
	while (n--) {
		int type;
		scanf("%d", &type);
		if (type == 1) {
			int l, r;
			scanf("%d%d", &l, &r);
			l = l ^ (t * lastans);
			r = r ^ (t * lastans);
			if (l > r) swap(l, r);
			//printf("adding: %d %d\n", l, r);
			
			++cnt;
			v.push_back({cnt, 1});
			L[cnt] = l, R[cnt] = r;
		} else if (type == 2) {
			int x;
			scanf("%d", &x);
			v.push_back({x, -1});
		} else {
			int l, r, k;
			scanf("%d%d%d", &l, &r, &k);
			l = l ^ (t * lastans);
			r = r ^ (t * lastans);
			if (l > r) swap(l, r);
			//printf("query: %d %d\n", l, r);
			
			lastans = 0;
			for (int i = 0; i < inds.size(); i += block) {
				int tr = i / block;
				int las = min((int)inds.size(), i + block) - 1;
				
				/*printf("block: ");
				for (int j = 0; j < block; j++) {
					if (i + j >= inds.size()) break;
					printf("(%d %d) ", L[inds[i + j]], R[inds[i + j]]);
				}
				printf("\n");*/
								
				if (R[inds[las]] - L[inds[las]] + 1 < k) continue;
				if (R[inds[i]] - L[inds[i]] + 1 >= k) {
					lastans += las - i + 1;
					int ind = lower_bound(rig[tr].begin(), rig[tr].end(), l + k - 1) - rig[tr].begin();
					//printf("removing: %d\n", ind);
					lastans -= ind;
					ind = upper_bound(lef[tr].begin(), lef[tr].end(), r - k + 1) - lef[tr].begin();
					lastans -= lef[tr].size() - ind;
					//printf("removing: %d\n", lef[tr].size() - ind);
				} else {
					for (int j = 0; j < block; j++) {
						if (i + j >= inds.size()) break;
						lastans += (inter({l, r}, {L[inds[i + j]], R[inds[i + j]]}) >= k);
					}
				}
			}
			
			for (auto iter : v) {
				int ind = iter.X;
				int cost = iter.Y;
				if (inter({l, r}, {L[ind], R[ind]}) >= k) lastans += cost;
			}
			printf("%d\n", lastans);
		}
		
		if (n % block == 0) {
			for (int i = 0; i < maxn / block; i++) {
				lef[i].clear();
				rig[i].clear();
			}
			
			for (auto iter : v) {
				bio[iter.X] += iter.Y;
			}
			v.clear();
			
			inds.clear();
			for (int i = 1; i <= cnt; i++) {
				if (bio[i]) inds.push_back(i);
			}
			sort(inds.begin(), inds.end(), cmp);
			
			for (int i = 0; i < inds.size(); i++) {
				int tr = i / block;
				lef[tr].push_back(L[inds[i]]);
				rig[tr].push_back(R[inds[i]]);
			}
			for (int i = 0; i < maxn / block; i++) {
				sort(lef[i].begin(), lef[i].end());
				sort(rig[i].begin(), rig[i].end());
			}
		}
	}
	return 0;
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:57:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |    for (int i = 0; i < inds.size(); i += block) {
      |                    ~~^~~~~~~~~~~~~
segments.cpp:79:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |       if (i + j >= inds.size()) break;
      |           ~~~~~~^~~~~~~~~~~~~~
segments.cpp:110:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  110 |    for (int i = 0; i < inds.size(); i++) {
      |                    ~~^~~~~~~~~~~~~
segments.cpp:28:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |  scanf("%d%d", &n, &t);
      |  ~~~~~^~~~~~~~~~~~~~~~
segments.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |   scanf("%d", &type);
      |   ~~~~~^~~~~~~~~~~~~
segments.cpp:35:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |    scanf("%d%d", &l, &r);
      |    ~~~~~^~~~~~~~~~~~~~~~
segments.cpp:46:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |    scanf("%d", &x);
      |    ~~~~~^~~~~~~~~~
segments.cpp:50:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |    scanf("%d%d%d", &l, &r, &k);
      |    ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct
4 Correct 9 ms 9684 KB Output is correct
5 Correct 13 ms 9812 KB Output is correct
6 Correct 12 ms 9800 KB Output is correct
7 Correct 9 ms 9736 KB Output is correct
8 Correct 11 ms 9792 KB Output is correct
9 Correct 14 ms 9796 KB Output is correct
10 Correct 10 ms 9812 KB Output is correct
11 Correct 12 ms 9684 KB Output is correct
12 Correct 13 ms 9792 KB Output is correct
13 Correct 10 ms 9840 KB Output is correct
14 Correct 11 ms 9684 KB Output is correct
15 Correct 7 ms 9684 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 10 ms 9764 KB Output is correct
18 Correct 10 ms 9812 KB Output is correct
19 Correct 9 ms 9684 KB Output is correct
20 Correct 9 ms 9684 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1847 ms 11848 KB Output is correct
2 Correct 1856 ms 13920 KB Output is correct
3 Correct 1862 ms 13928 KB Output is correct
4 Correct 1921 ms 13972 KB Output is correct
5 Correct 2114 ms 14368 KB Output is correct
6 Correct 2084 ms 14396 KB Output is correct
7 Correct 1836 ms 13908 KB Output is correct
8 Correct 1842 ms 13920 KB Output is correct
9 Correct 1836 ms 13860 KB Output is correct
10 Correct 942 ms 13508 KB Output is correct
11 Correct 1204 ms 13564 KB Output is correct
12 Correct 2120 ms 14052 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 10572 KB Output is correct
2 Correct 46 ms 10792 KB Output is correct
3 Correct 57 ms 10840 KB Output is correct
4 Correct 48 ms 10736 KB Output is correct
5 Correct 2141 ms 12280 KB Output is correct
6 Correct 2045 ms 13744 KB Output is correct
7 Correct 2090 ms 13764 KB Output is correct
8 Correct 2105 ms 14360 KB Output is correct
9 Correct 2054 ms 14108 KB Output is correct
10 Correct 1872 ms 13788 KB Output is correct
11 Correct 181 ms 12128 KB Output is correct
12 Correct 1889 ms 13660 KB Output is correct
13 Correct 1719 ms 13432 KB Output is correct
14 Correct 1039 ms 12748 KB Output is correct
15 Correct 907 ms 12712 KB Output is correct
16 Correct 638 ms 12468 KB Output is correct
17 Correct 1879 ms 13588 KB Output is correct
18 Correct 1870 ms 13672 KB Output is correct
19 Correct 1900 ms 13556 KB Output is correct
20 Correct 1858 ms 13584 KB Output is correct
21 Correct 251 ms 12212 KB Output is correct
22 Correct 1277 ms 13004 KB Output is correct
23 Correct 1575 ms 13348 KB Output is correct
24 Correct 1356 ms 13024 KB Output is correct
25 Correct 48 ms 11980 KB Output is correct
26 Correct 45 ms 11972 KB Output is correct
27 Correct 49 ms 11956 KB Output is correct
28 Correct 46 ms 12020 KB Output is correct
29 Correct 1681 ms 13416 KB Output is correct
30 Correct 1677 ms 13364 KB Output is correct
31 Correct 2037 ms 14172 KB Output is correct
32 Correct 1862 ms 13804 KB Output is correct
33 Correct 1742 ms 13448 KB Output is correct
34 Correct 885 ms 12580 KB Output is correct
35 Correct 1531 ms 13128 KB Output is correct
36 Correct 1801 ms 13492 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 10700 KB Output is correct
2 Correct 51 ms 10852 KB Output is correct
3 Correct 49 ms 10728 KB Output is correct
4 Correct 54 ms 10700 KB Output is correct
5 Correct 2162 ms 12560 KB Output is correct
6 Correct 722 ms 13376 KB Output is correct
7 Correct 2226 ms 14216 KB Output is correct
8 Correct 998 ms 13600 KB Output is correct
9 Correct 1273 ms 13056 KB Output is correct
10 Correct 1951 ms 13744 KB Output is correct
11 Correct 552 ms 12552 KB Output is correct
12 Correct 2021 ms 14276 KB Output is correct
13 Correct 1734 ms 13512 KB Output is correct
14 Correct 1134 ms 12996 KB Output is correct
15 Correct 2045 ms 14160 KB Output is correct
16 Correct 1865 ms 13588 KB Output is correct
17 Correct 1837 ms 13892 KB Output is correct
18 Correct 1876 ms 13864 KB Output is correct
19 Correct 1888 ms 13860 KB Output is correct
20 Correct 1841 ms 13872 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct
4 Correct 9 ms 9684 KB Output is correct
5 Correct 13 ms 9812 KB Output is correct
6 Correct 12 ms 9800 KB Output is correct
7 Correct 9 ms 9736 KB Output is correct
8 Correct 11 ms 9792 KB Output is correct
9 Correct 14 ms 9796 KB Output is correct
10 Correct 10 ms 9812 KB Output is correct
11 Correct 12 ms 9684 KB Output is correct
12 Correct 13 ms 9792 KB Output is correct
13 Correct 10 ms 9840 KB Output is correct
14 Correct 11 ms 9684 KB Output is correct
15 Correct 7 ms 9684 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 10 ms 9764 KB Output is correct
18 Correct 10 ms 9812 KB Output is correct
19 Correct 9 ms 9684 KB Output is correct
20 Correct 9 ms 9684 KB Output is correct
21 Correct 1847 ms 11848 KB Output is correct
22 Correct 1856 ms 13920 KB Output is correct
23 Correct 1862 ms 13928 KB Output is correct
24 Correct 1921 ms 13972 KB Output is correct
25 Correct 2114 ms 14368 KB Output is correct
26 Correct 2084 ms 14396 KB Output is correct
27 Correct 1836 ms 13908 KB Output is correct
28 Correct 1842 ms 13920 KB Output is correct
29 Correct 1836 ms 13860 KB Output is correct
30 Correct 942 ms 13508 KB Output is correct
31 Correct 1204 ms 13564 KB Output is correct
32 Correct 2120 ms 14052 KB Output is correct
33 Correct 46 ms 10700 KB Output is correct
34 Correct 51 ms 10852 KB Output is correct
35 Correct 49 ms 10728 KB Output is correct
36 Correct 54 ms 10700 KB Output is correct
37 Correct 2162 ms 12560 KB Output is correct
38 Correct 722 ms 13376 KB Output is correct
39 Correct 2226 ms 14216 KB Output is correct
40 Correct 998 ms 13600 KB Output is correct
41 Correct 1273 ms 13056 KB Output is correct
42 Correct 1951 ms 13744 KB Output is correct
43 Correct 552 ms 12552 KB Output is correct
44 Correct 2021 ms 14276 KB Output is correct
45 Correct 1734 ms 13512 KB Output is correct
46 Correct 1134 ms 12996 KB Output is correct
47 Correct 2045 ms 14160 KB Output is correct
48 Correct 1865 ms 13588 KB Output is correct
49 Correct 1837 ms 13892 KB Output is correct
50 Correct 1876 ms 13864 KB Output is correct
51 Correct 1888 ms 13860 KB Output is correct
52 Correct 1841 ms 13872 KB Output is correct
53 Correct 59 ms 12148 KB Output is correct
54 Correct 58 ms 12228 KB Output is correct
55 Correct 54 ms 12212 KB Output is correct
56 Correct 60 ms 12164 KB Output is correct
57 Correct 1361 ms 13648 KB Output is correct
58 Correct 523 ms 13384 KB Output is correct
59 Correct 2012 ms 14004 KB Output is correct
60 Correct 465 ms 13356 KB Output is correct
61 Correct 1755 ms 13492 KB Output is correct
62 Correct 2039 ms 14136 KB Output is correct
63 Correct 2037 ms 14296 KB Output is correct
64 Correct 2041 ms 14132 KB Output is correct
65 Correct 772 ms 12852 KB Output is correct
66 Correct 627 ms 12532 KB Output is correct
67 Correct 1843 ms 13572 KB Output is correct
68 Correct 1557 ms 13320 KB Output is correct
69 Correct 1877 ms 13916 KB Output is correct
70 Correct 1894 ms 13848 KB Output is correct
71 Correct 1834 ms 13868 KB Output is correct
72 Correct 1851 ms 13812 KB Output is correct
73 Correct 910 ms 12924 KB Output is correct
74 Correct 1548 ms 13228 KB Output is correct
75 Correct 2017 ms 14284 KB Output is correct
76 Correct 2025 ms 14212 KB Output is correct
77 Correct 65 ms 12260 KB Output is correct
78 Correct 47 ms 12236 KB Output is correct
79 Correct 53 ms 12252 KB Output is correct
80 Correct 49 ms 12236 KB Output is correct
81 Correct 1491 ms 13212 KB Output is correct
82 Correct 897 ms 12900 KB Output is correct
83 Correct 510 ms 12492 KB Output is correct
84 Correct 1499 ms 13312 KB Output is correct
85 Correct 1875 ms 13588 KB Output is correct
86 Correct 1867 ms 13760 KB Output is correct
87 Correct 1244 ms 13152 KB Output is correct
88 Correct 536 ms 12544 KB Output is correct

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct
4 Correct 9 ms 9684 KB Output is correct
5 Correct 13 ms 9812 KB Output is correct
6 Correct 12 ms 9800 KB Output is correct
7 Correct 9 ms 9736 KB Output is correct
8 Correct 11 ms 9792 KB Output is correct
9 Correct 14 ms 9796 KB Output is correct
10 Correct 10 ms 9812 KB Output is correct
11 Correct 12 ms 9684 KB Output is correct
12 Correct 13 ms 9792 KB Output is correct
13 Correct 10 ms 9840 KB Output is correct
14 Correct 11 ms 9684 KB Output is correct
15 Correct 7 ms 9684 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 10 ms 9764 KB Output is correct
18 Correct 10 ms 9812 KB Output is correct
19 Correct 9 ms 9684 KB Output is correct
20 Correct 9 ms 9684 KB Output is correct
21 Correct 1847 ms 11848 KB Output is correct
22 Correct 1856 ms 13920 KB Output is correct
23 Correct 1862 ms 13928 KB Output is correct
24 Correct 1921 ms 13972 KB Output is correct
25 Correct 2114 ms 14368 KB Output is correct
26 Correct 2084 ms 14396 KB Output is correct
27 Correct 1836 ms 13908 KB Output is correct
28 Correct 1842 ms 13920 KB Output is correct
29 Correct 1836 ms 13860 KB Output is correct
30 Correct 942 ms 13508 KB Output is correct
31 Correct 1204 ms 13564 KB Output is correct
32 Correct 2120 ms 14052 KB Output is correct
33 Correct 48 ms 10572 KB Output is correct
34 Correct 46 ms 10792 KB Output is correct
35 Correct 57 ms 10840 KB Output is correct
36 Correct 48 ms 10736 KB Output is correct
37 Correct 2141 ms 12280 KB Output is correct
38 Correct 2045 ms 13744 KB Output is correct
39 Correct 2090 ms 13764 KB Output is correct
40 Correct 2105 ms 14360 KB Output is correct
41 Correct 2054 ms 14108 KB Output is correct
42 Correct 1872 ms 13788 KB Output is correct
43 Correct 181 ms 12128 KB Output is correct
44 Correct 1889 ms 13660 KB Output is correct
45 Correct 1719 ms 13432 KB Output is correct
46 Correct 1039 ms 12748 KB Output is correct
47 Correct 907 ms 12712 KB Output is correct
48 Correct 638 ms 12468 KB Output is correct
49 Correct 1879 ms 13588 KB Output is correct
50 Correct 1870 ms 13672 KB Output is correct
51 Correct 1900 ms 13556 KB Output is correct
52 Correct 1858 ms 13584 KB Output is correct
53 Correct 251 ms 12212 KB Output is correct
54 Correct 1277 ms 13004 KB Output is correct
55 Correct 1575 ms 13348 KB Output is correct
56 Correct 1356 ms 13024 KB Output is correct
57 Correct 48 ms 11980 KB Output is correct
58 Correct 45 ms 11972 KB Output is correct
59 Correct 49 ms 11956 KB Output is correct
60 Correct 46 ms 12020 KB Output is correct
61 Correct 1681 ms 13416 KB Output is correct
62 Correct 1677 ms 13364 KB Output is correct
63 Correct 2037 ms 14172 KB Output is correct
64 Correct 1862 ms 13804 KB Output is correct
65 Correct 1742 ms 13448 KB Output is correct
66 Correct 885 ms 12580 KB Output is correct
67 Correct 1531 ms 13128 KB Output is correct
68 Correct 1801 ms 13492 KB Output is correct
69 Correct 46 ms 10700 KB Output is correct
70 Correct 51 ms 10852 KB Output is correct
71 Correct 49 ms 10728 KB Output is correct
72 Correct 54 ms 10700 KB Output is correct
73 Correct 2162 ms 12560 KB Output is correct
74 Correct 722 ms 13376 KB Output is correct
75 Correct 2226 ms 14216 KB Output is correct
76 Correct 998 ms 13600 KB Output is correct
77 Correct 1273 ms 13056 KB Output is correct
78 Correct 1951 ms 13744 KB Output is correct
79 Correct 552 ms 12552 KB Output is correct
80 Correct 2021 ms 14276 KB Output is correct
81 Correct 1734 ms 13512 KB Output is correct
82 Correct 1134 ms 12996 KB Output is correct
83 Correct 2045 ms 14160 KB Output is correct
84 Correct 1865 ms 13588 KB Output is correct
85 Correct 1837 ms 13892 KB Output is correct
86 Correct 1876 ms 13864 KB Output is correct
87 Correct 1888 ms 13860 KB Output is correct
88 Correct 1841 ms 13872 KB Output is correct
89 Correct 59 ms 12148 KB Output is correct
90 Correct 58 ms 12228 KB Output is correct
91 Correct 54 ms 12212 KB Output is correct
92 Correct 60 ms 12164 KB Output is correct
93 Correct 1361 ms 13648 KB Output is correct
94 Correct 523 ms 13384 KB Output is correct
95 Correct 2012 ms 14004 KB Output is correct
96 Correct 465 ms 13356 KB Output is correct
97 Correct 1755 ms 13492 KB Output is correct
98 Correct 2039 ms 14136 KB Output is correct
99 Correct 2037 ms 14296 KB Output is correct
100 Correct 2041 ms 14132 KB Output is correct
101 Correct 772 ms 12852 KB Output is correct
102 Correct 627 ms 12532 KB Output is correct
103 Correct 1843 ms 13572 KB Output is correct
104 Correct 1557 ms 13320 KB Output is correct
105 Correct 1877 ms 13916 KB Output is correct
106 Correct 1894 ms 13848 KB Output is correct
107 Correct 1834 ms 13868 KB Output is correct
108 Correct 1851 ms 13812 KB Output is correct
109 Correct 910 ms 12924 KB Output is correct
110 Correct 1548 ms 13228 KB Output is correct
111 Correct 2017 ms 14284 KB Output is correct
112 Correct 2025 ms 14212 KB Output is correct
113 Correct 65 ms 12260 KB Output is correct
114 Correct 47 ms 12236 KB Output is correct
115 Correct 53 ms 12252 KB Output is correct
116 Correct 49 ms 12236 KB Output is correct
117 Correct 1491 ms 13212 KB Output is correct
118 Correct 897 ms 12900 KB Output is correct
119 Correct 510 ms 12492 KB Output is correct
120 Correct 1499 ms 13312 KB Output is correct
121 Correct 1875 ms 13588 KB Output is correct
122 Correct 1867 ms 13760 KB Output is correct
123 Correct 1244 ms 13152 KB Output is correct
124 Correct 536 ms 12544 KB Output is correct
125 Correct 118 ms 14924 KB Output is correct
126 Correct 121 ms 14800 KB Output is correct
127 Correct 140 ms 14828 KB Output is correct
128 Correct 117 ms 14796 KB Output is correct
129 Correct 103 ms 14828 KB Output is correct
130 Correct 119 ms 14796 KB Output is correct
131 Correct 2032 ms 17212 KB Output is correct
132 Execution timed out 5059 ms 16688 KB Time limit exceeded
133 Halted 0 ms 0 KB -