oj.uz

Submission #798597

# Submission time Handle Problem Language Result Execution time Memory
798597 2023-07-30T21:23:53 Z kingfran1907 Segments (IZhO18_segments) C++14
75 / 100
 5000 ms 16276 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 = 600;

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 6 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 6 ms 9840 KB Output is correct
4 Correct 6 ms 9836 KB Output is correct
5 Correct 10 ms 9880 KB Output is correct
6 Correct 11 ms 9940 KB Output is correct
7 Correct 9 ms 9812 KB Output is correct
8 Correct 10 ms 9812 KB Output is correct
9 Correct 11 ms 9924 KB Output is correct
10 Correct 9 ms 9972 KB Output is correct
11 Correct 12 ms 9840 KB Output is correct
12 Correct 12 ms 9816 KB Output is correct
13 Correct 9 ms 9968 KB Output is correct
14 Correct 10 ms 9812 KB Output is correct
15 Correct 6 ms 9812 KB Output is correct
16 Correct 9 ms 9940 KB Output is correct
17 Correct 9 ms 9812 KB Output is correct
18 Correct 9 ms 9836 KB Output is correct
19 Correct 9 ms 9812 KB Output is correct
20 Correct 9 ms 9792 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1482 ms 12368 KB Output is correct
2 Correct 1483 ms 11960 KB Output is correct
3 Correct 1469 ms 11952 KB Output is correct
4 Correct 1533 ms 11984 KB Output is correct
5 Correct 1605 ms 12976 KB Output is correct
6 Correct 1584 ms 13076 KB Output is correct
7 Correct 1468 ms 11904 KB Output is correct
8 Correct 1473 ms 12048 KB Output is correct
9 Correct 1482 ms 11996 KB Output is correct
10 Correct 780 ms 11136 KB Output is correct
11 Correct 994 ms 11388 KB Output is correct
12 Correct 1661 ms 12488 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 11260 KB Output is correct
2 Correct 49 ms 10960 KB Output is correct
3 Correct 55 ms 10964 KB Output is correct
4 Correct 47 ms 10844 KB Output is correct
5 Correct 1673 ms 12796 KB Output is correct
6 Correct 1591 ms 12300 KB Output is correct
7 Correct 1640 ms 12312 KB Output is correct
8 Correct 1606 ms 12896 KB Output is correct
9 Correct 1586 ms 12972 KB Output is correct
10 Correct 1453 ms 12328 KB Output is correct
11 Correct 157 ms 10780 KB Output is correct
12 Correct 1478 ms 12380 KB Output is correct
13 Correct 1331 ms 12288 KB Output is correct
14 Correct 820 ms 11404 KB Output is correct
15 Correct 717 ms 11524 KB Output is correct
16 Correct 498 ms 11140 KB Output is correct
17 Correct 1454 ms 12092 KB Output is correct
18 Correct 1469 ms 11888 KB Output is correct
19 Correct 1458 ms 11980 KB Output is correct
20 Correct 1460 ms 11968 KB Output is correct
21 Correct 207 ms 10828 KB Output is correct
22 Correct 1008 ms 11664 KB Output is correct
23 Correct 1225 ms 11848 KB Output is correct
24 Correct 1056 ms 11600 KB Output is correct
25 Correct 51 ms 10648 KB Output is correct
26 Correct 47 ms 10632 KB Output is correct
27 Correct 49 ms 10700 KB Output is correct
28 Correct 48 ms 10628 KB Output is correct
29 Correct 1296 ms 11980 KB Output is correct
30 Correct 1306 ms 11996 KB Output is correct
31 Correct 1576 ms 13152 KB Output is correct
32 Correct 1451 ms 12296 KB Output is correct
33 Correct 1385 ms 12388 KB Output is correct
34 Correct 691 ms 11548 KB Output is correct
35 Correct 1213 ms 12280 KB Output is correct
36 Correct 1427 ms 12412 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 11204 KB Output is correct
2 Correct 54 ms 11116 KB Output is correct
3 Correct 53 ms 11140 KB Output is correct
4 Correct 56 ms 11196 KB Output is correct
5 Correct 1712 ms 12860 KB Output is correct
6 Correct 649 ms 11044 KB Output is correct
7 Correct 1733 ms 12732 KB Output is correct
8 Correct 841 ms 11860 KB Output is correct
9 Correct 1014 ms 12648 KB Output is correct
10 Correct 1549 ms 13612 KB Output is correct
11 Correct 457 ms 12228 KB Output is correct
12 Correct 1615 ms 14376 KB Output is correct
13 Correct 1394 ms 13656 KB Output is correct
14 Correct 918 ms 13112 KB Output is correct
15 Correct 1585 ms 14624 KB Output is correct
16 Correct 1425 ms 13808 KB Output is correct
17 Correct 1489 ms 14264 KB Output is correct
18 Correct 1475 ms 14188 KB Output is correct
19 Correct 1482 ms 14032 KB Output is correct
20 Correct 1474 ms 14244 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 6 ms 9840 KB Output is correct
4 Correct 6 ms 9836 KB Output is correct
5 Correct 10 ms 9880 KB Output is correct
6 Correct 11 ms 9940 KB Output is correct
7 Correct 9 ms 9812 KB Output is correct
8 Correct 10 ms 9812 KB Output is correct
9 Correct 11 ms 9924 KB Output is correct
10 Correct 9 ms 9972 KB Output is correct
11 Correct 12 ms 9840 KB Output is correct
12 Correct 12 ms 9816 KB Output is correct
13 Correct 9 ms 9968 KB Output is correct
14 Correct 10 ms 9812 KB Output is correct
15 Correct 6 ms 9812 KB Output is correct
16 Correct 9 ms 9940 KB Output is correct
17 Correct 9 ms 9812 KB Output is correct
18 Correct 9 ms 9836 KB Output is correct
19 Correct 9 ms 9812 KB Output is correct
20 Correct 9 ms 9792 KB Output is correct
21 Correct 1482 ms 12368 KB Output is correct
22 Correct 1483 ms 11960 KB Output is correct
23 Correct 1469 ms 11952 KB Output is correct
24 Correct 1533 ms 11984 KB Output is correct
25 Correct 1605 ms 12976 KB Output is correct
26 Correct 1584 ms 13076 KB Output is correct
27 Correct 1468 ms 11904 KB Output is correct
28 Correct 1473 ms 12048 KB Output is correct
29 Correct 1482 ms 11996 KB Output is correct
30 Correct 780 ms 11136 KB Output is correct
31 Correct 994 ms 11388 KB Output is correct
32 Correct 1661 ms 12488 KB Output is correct
33 Correct 49 ms 11204 KB Output is correct
34 Correct 54 ms 11116 KB Output is correct
35 Correct 53 ms 11140 KB Output is correct
36 Correct 56 ms 11196 KB Output is correct
37 Correct 1712 ms 12860 KB Output is correct
38 Correct 649 ms 11044 KB Output is correct
39 Correct 1733 ms 12732 KB Output is correct
40 Correct 841 ms 11860 KB Output is correct
41 Correct 1014 ms 12648 KB Output is correct
42 Correct 1549 ms 13612 KB Output is correct
43 Correct 457 ms 12228 KB Output is correct
44 Correct 1615 ms 14376 KB Output is correct
45 Correct 1394 ms 13656 KB Output is correct
46 Correct 918 ms 13112 KB Output is correct
47 Correct 1585 ms 14624 KB Output is correct
48 Correct 1425 ms 13808 KB Output is correct
49 Correct 1489 ms 14264 KB Output is correct
50 Correct 1475 ms 14188 KB Output is correct
51 Correct 1482 ms 14032 KB Output is correct
52 Correct 1474 ms 14244 KB Output is correct
53 Correct 55 ms 12212 KB Output is correct
54 Correct 59 ms 12160 KB Output is correct
55 Correct 50 ms 12168 KB Output is correct
56 Correct 50 ms 12236 KB Output is correct
57 Correct 1123 ms 13912 KB Output is correct
58 Correct 469 ms 13340 KB Output is correct
59 Correct 1605 ms 14212 KB Output is correct
60 Correct 415 ms 13388 KB Output is correct
61 Correct 1369 ms 13728 KB Output is correct
62 Correct 1569 ms 14612 KB Output is correct
63 Correct 1581 ms 14792 KB Output is correct
64 Correct 1572 ms 14500 KB Output is correct
65 Correct 607 ms 12800 KB Output is correct
66 Correct 505 ms 12704 KB Output is correct
67 Correct 1433 ms 13920 KB Output is correct
68 Correct 1222 ms 13520 KB Output is correct
69 Correct 1487 ms 14220 KB Output is correct
70 Correct 1481 ms 14048 KB Output is correct
71 Correct 1471 ms 14132 KB Output is correct
72 Correct 1489 ms 14148 KB Output is correct
73 Correct 722 ms 12856 KB Output is correct
74 Correct 1218 ms 13512 KB Output is correct
75 Correct 1559 ms 14700 KB Output is correct
76 Correct 1558 ms 14596 KB Output is correct
77 Correct 52 ms 12172 KB Output is correct
78 Correct 49 ms 12228 KB Output is correct
79 Correct 55 ms 12176 KB Output is correct
80 Correct 51 ms 12224 KB Output is correct
81 Correct 1170 ms 13440 KB Output is correct
82 Correct 721 ms 12880 KB Output is correct
83 Correct 429 ms 12728 KB Output is correct
84 Correct 1194 ms 13516 KB Output is correct
85 Correct 1440 ms 13808 KB Output is correct
86 Correct 1454 ms 13888 KB Output is correct
87 Correct 990 ms 13128 KB Output is correct
88 Correct 440 ms 12532 KB Output is correct

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 6 ms 9840 KB Output is correct
4 Correct 6 ms 9836 KB Output is correct
5 Correct 10 ms 9880 KB Output is correct
6 Correct 11 ms 9940 KB Output is correct
7 Correct 9 ms 9812 KB Output is correct
8 Correct 10 ms 9812 KB Output is correct
9 Correct 11 ms 9924 KB Output is correct
10 Correct 9 ms 9972 KB Output is correct
11 Correct 12 ms 9840 KB Output is correct
12 Correct 12 ms 9816 KB Output is correct
13 Correct 9 ms 9968 KB Output is correct
14 Correct 10 ms 9812 KB Output is correct
15 Correct 6 ms 9812 KB Output is correct
16 Correct 9 ms 9940 KB Output is correct
17 Correct 9 ms 9812 KB Output is correct
18 Correct 9 ms 9836 KB Output is correct
19 Correct 9 ms 9812 KB Output is correct
20 Correct 9 ms 9792 KB Output is correct
21 Correct 1482 ms 12368 KB Output is correct
22 Correct 1483 ms 11960 KB Output is correct
23 Correct 1469 ms 11952 KB Output is correct
24 Correct 1533 ms 11984 KB Output is correct
25 Correct 1605 ms 12976 KB Output is correct
26 Correct 1584 ms 13076 KB Output is correct
27 Correct 1468 ms 11904 KB Output is correct
28 Correct 1473 ms 12048 KB Output is correct
29 Correct 1482 ms 11996 KB Output is correct
30 Correct 780 ms 11136 KB Output is correct
31 Correct 994 ms 11388 KB Output is correct
32 Correct 1661 ms 12488 KB Output is correct
33 Correct 56 ms 11260 KB Output is correct
34 Correct 49 ms 10960 KB Output is correct
35 Correct 55 ms 10964 KB Output is correct
36 Correct 47 ms 10844 KB Output is correct
37 Correct 1673 ms 12796 KB Output is correct
38 Correct 1591 ms 12300 KB Output is correct
39 Correct 1640 ms 12312 KB Output is correct
40 Correct 1606 ms 12896 KB Output is correct
41 Correct 1586 ms 12972 KB Output is correct
42 Correct 1453 ms 12328 KB Output is correct
43 Correct 157 ms 10780 KB Output is correct
44 Correct 1478 ms 12380 KB Output is correct
45 Correct 1331 ms 12288 KB Output is correct
46 Correct 820 ms 11404 KB Output is correct
47 Correct 717 ms 11524 KB Output is correct
48 Correct 498 ms 11140 KB Output is correct
49 Correct 1454 ms 12092 KB Output is correct
50 Correct 1469 ms 11888 KB Output is correct
51 Correct 1458 ms 11980 KB Output is correct
52 Correct 1460 ms 11968 KB Output is correct
53 Correct 207 ms 10828 KB Output is correct
54 Correct 1008 ms 11664 KB Output is correct
55 Correct 1225 ms 11848 KB Output is correct
56 Correct 1056 ms 11600 KB Output is correct
57 Correct 51 ms 10648 KB Output is correct
58 Correct 47 ms 10632 KB Output is correct
59 Correct 49 ms 10700 KB Output is correct
60 Correct 48 ms 10628 KB Output is correct
61 Correct 1296 ms 11980 KB Output is correct
62 Correct 1306 ms 11996 KB Output is correct
63 Correct 1576 ms 13152 KB Output is correct
64 Correct 1451 ms 12296 KB Output is correct
65 Correct 1385 ms 12388 KB Output is correct
66 Correct 691 ms 11548 KB Output is correct
67 Correct 1213 ms 12280 KB Output is correct
68 Correct 1427 ms 12412 KB Output is correct
69 Correct 49 ms 11204 KB Output is correct
70 Correct 54 ms 11116 KB Output is correct
71 Correct 53 ms 11140 KB Output is correct
72 Correct 56 ms 11196 KB Output is correct
73 Correct 1712 ms 12860 KB Output is correct
74 Correct 649 ms 11044 KB Output is correct
75 Correct 1733 ms 12732 KB Output is correct
76 Correct 841 ms 11860 KB Output is correct
77 Correct 1014 ms 12648 KB Output is correct
78 Correct 1549 ms 13612 KB Output is correct
79 Correct 457 ms 12228 KB Output is correct
80 Correct 1615 ms 14376 KB Output is correct
81 Correct 1394 ms 13656 KB Output is correct
82 Correct 918 ms 13112 KB Output is correct
83 Correct 1585 ms 14624 KB Output is correct
84 Correct 1425 ms 13808 KB Output is correct
85 Correct 1489 ms 14264 KB Output is correct
86 Correct 1475 ms 14188 KB Output is correct
87 Correct 1482 ms 14032 KB Output is correct
88 Correct 1474 ms 14244 KB Output is correct
89 Correct 55 ms 12212 KB Output is correct
90 Correct 59 ms 12160 KB Output is correct
91 Correct 50 ms 12168 KB Output is correct
92 Correct 50 ms 12236 KB Output is correct
93 Correct 1123 ms 13912 KB Output is correct
94 Correct 469 ms 13340 KB Output is correct
95 Correct 1605 ms 14212 KB Output is correct
96 Correct 415 ms 13388 KB Output is correct
97 Correct 1369 ms 13728 KB Output is correct
98 Correct 1569 ms 14612 KB Output is correct
99 Correct 1581 ms 14792 KB Output is correct
100 Correct 1572 ms 14500 KB Output is correct
101 Correct 607 ms 12800 KB Output is correct
102 Correct 505 ms 12704 KB Output is correct
103 Correct 1433 ms 13920 KB Output is correct
104 Correct 1222 ms 13520 KB Output is correct
105 Correct 1487 ms 14220 KB Output is correct
106 Correct 1481 ms 14048 KB Output is correct
107 Correct 1471 ms 14132 KB Output is correct
108 Correct 1489 ms 14148 KB Output is correct
109 Correct 722 ms 12856 KB Output is correct
110 Correct 1218 ms 13512 KB Output is correct
111 Correct 1559 ms 14700 KB Output is correct
112 Correct 1558 ms 14596 KB Output is correct
113 Correct 52 ms 12172 KB Output is correct
114 Correct 49 ms 12228 KB Output is correct
115 Correct 55 ms 12176 KB Output is correct
116 Correct 51 ms 12224 KB Output is correct
117 Correct 1170 ms 13440 KB Output is correct
118 Correct 721 ms 12880 KB Output is correct
119 Correct 429 ms 12728 KB Output is correct
120 Correct 1194 ms 13516 KB Output is correct
121 Correct 1440 ms 13808 KB Output is correct
122 Correct 1454 ms 13888 KB Output is correct
123 Correct 990 ms 13128 KB Output is correct
124 Correct 440 ms 12532 KB Output is correct
125 Correct 110 ms 13292 KB Output is correct
126 Correct 120 ms 13308 KB Output is correct
127 Correct 141 ms 13316 KB Output is correct
128 Correct 117 ms 13424 KB Output is correct
129 Correct 101 ms 13316 KB Output is correct
130 Correct 130 ms 13440 KB Output is correct
131 Correct 1733 ms 13900 KB Output is correct
132 Execution timed out 5032 ms 16276 KB Time limit exceeded
133 Halted 0 ms 0 KB -