oj.uz

Submission #798605

# Submission time Handle Problem Language Result Execution time Memory
798605 2023-07-30T21:36:03 Z kingfran1907 Segments (IZhO18_segments) C++14
75 / 100
 5000 ms 12816 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;
int inds[maxn];
int ptr;

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

inline int inter(int ax, int ay, int bx, int by) {
	return min(ay, by) - max(ax, bx) + 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 < ptr; i += block) {
				int tr = i / block;
				int las = min(ptr, 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 >= ptr) 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 <= ptr / block; i++) {
				lef[i].clear();
				rig[i].clear();
			}
			
			for (auto &iter : v) {
				bio[iter.X] += iter.Y;
			}
			v.clear();
			
			ptr = 0;
			for (int i = 1; i <= cnt; i++) {
				if (bio[i]) inds[ptr++] = i;
			}
			sort(inds, inds + ptr, cmp);
			
			for (int i = 0; i < ptr; i++) {
				int tr = i / block;
				lef[tr].push_back(L[inds[i]]);
				rig[tr].push_back(R[inds[i]]);
			}
			for (int i = 0; i <= ptr / 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:29:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |  scanf("%d%d", &n, &t);
      |  ~~~~~^~~~~~~~~~~~~~~~
segments.cpp:33:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |   scanf("%d", &type);
      |   ~~~~~^~~~~~~~~~~~~
segments.cpp:36:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |    scanf("%d%d", &l, &r);
      |    ~~~~~^~~~~~~~~~~~~~~~
segments.cpp:47:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |    scanf("%d", &x);
      |    ~~~~~^~~~~~~~~~
segments.cpp:51:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |    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 6 ms 9684 KB Output is correct
3 Correct 7 ms 9720 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 11 ms 9856 KB Output is correct
6 Correct 11 ms 9812 KB Output is correct
7 Correct 9 ms 9684 KB Output is correct
8 Correct 9 ms 9812 KB Output is correct
9 Correct 13 ms 9700 KB Output is correct
10 Correct 10 ms 9812 KB Output is correct
11 Correct 12 ms 9812 KB Output is correct
12 Correct 12 ms 9808 KB Output is correct
13 Correct 10 ms 9812 KB Output is correct
14 Correct 9 ms 9804 KB Output is correct
15 Correct 6 ms 9684 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 9 ms 9684 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 9788 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1502 ms 11448 KB Output is correct
2 Correct 1466 ms 11552 KB Output is correct
3 Correct 1452 ms 11480 KB Output is correct
4 Correct 1557 ms 11468 KB Output is correct
5 Correct 1600 ms 12404 KB Output is correct
6 Correct 1586 ms 12596 KB Output is correct
7 Correct 1454 ms 11492 KB Output is correct
8 Correct 1482 ms 11348 KB Output is correct
9 Correct 1468 ms 11444 KB Output is correct
10 Correct 780 ms 10680 KB Output is correct
11 Correct 1000 ms 10884 KB Output is correct
12 Correct 1650 ms 11912 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 10188 KB Output is correct
2 Correct 49 ms 10156 KB Output is correct
3 Correct 55 ms 10188 KB Output is correct
4 Correct 53 ms 10132 KB Output is correct
5 Correct 1640 ms 11964 KB Output is correct
6 Correct 1582 ms 11700 KB Output is correct
7 Correct 1617 ms 11852 KB Output is correct
8 Correct 1577 ms 12660 KB Output is correct
9 Correct 1555 ms 12344 KB Output is correct
10 Correct 1451 ms 11768 KB Output is correct
11 Correct 150 ms 10252 KB Output is correct
12 Correct 1431 ms 12068 KB Output is correct
13 Correct 1324 ms 11712 KB Output is correct
14 Correct 809 ms 11012 KB Output is correct
15 Correct 703 ms 10872 KB Output is correct
16 Correct 493 ms 10608 KB Output is correct
17 Correct 1440 ms 11520 KB Output is correct
18 Correct 1449 ms 11372 KB Output is correct
19 Correct 1447 ms 11420 KB Output is correct
20 Correct 1434 ms 11372 KB Output is correct
21 Correct 223 ms 10348 KB Output is correct
22 Correct 999 ms 11140 KB Output is correct
23 Correct 1205 ms 11380 KB Output is correct
24 Correct 1047 ms 11184 KB Output is correct
25 Correct 50 ms 10096 KB Output is correct
26 Correct 47 ms 10152 KB Output is correct
27 Correct 50 ms 10196 KB Output is correct
28 Correct 48 ms 10096 KB Output is correct
29 Correct 1286 ms 11536 KB Output is correct
30 Correct 1296 ms 11552 KB Output is correct
31 Correct 1576 ms 12336 KB Output is correct
32 Correct 1415 ms 11740 KB Output is correct
33 Correct 1345 ms 11664 KB Output is correct
34 Correct 691 ms 10860 KB Output is correct
35 Correct 1170 ms 11388 KB Output is correct
36 Correct 1372 ms 11732 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 10096 KB Output is correct
2 Correct 50 ms 10152 KB Output is correct
3 Correct 51 ms 10080 KB Output is correct
4 Correct 54 ms 10188 KB Output is correct
5 Correct 1679 ms 11960 KB Output is correct
6 Correct 617 ms 10444 KB Output is correct
7 Correct 1648 ms 12172 KB Output is correct
8 Correct 816 ms 10680 KB Output is correct
9 Correct 983 ms 10968 KB Output is correct
10 Correct 1472 ms 11848 KB Output is correct
11 Correct 453 ms 10548 KB Output is correct
12 Correct 1552 ms 12416 KB Output is correct
13 Correct 1336 ms 11612 KB Output is correct
14 Correct 882 ms 10940 KB Output is correct
15 Correct 1533 ms 12344 KB Output is correct
16 Correct 1421 ms 11716 KB Output is correct
17 Correct 1540 ms 11408 KB Output is correct
18 Correct 1525 ms 11464 KB Output is correct
19 Correct 1532 ms 11436 KB Output is correct
20 Correct 1521 ms 11444 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 6 ms 9684 KB Output is correct
3 Correct 7 ms 9720 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 11 ms 9856 KB Output is correct
6 Correct 11 ms 9812 KB Output is correct
7 Correct 9 ms 9684 KB Output is correct
8 Correct 9 ms 9812 KB Output is correct
9 Correct 13 ms 9700 KB Output is correct
10 Correct 10 ms 9812 KB Output is correct
11 Correct 12 ms 9812 KB Output is correct
12 Correct 12 ms 9808 KB Output is correct
13 Correct 10 ms 9812 KB Output is correct
14 Correct 9 ms 9804 KB Output is correct
15 Correct 6 ms 9684 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 9 ms 9684 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 9788 KB Output is correct
21 Correct 1502 ms 11448 KB Output is correct
22 Correct 1466 ms 11552 KB Output is correct
23 Correct 1452 ms 11480 KB Output is correct
24 Correct 1557 ms 11468 KB Output is correct
25 Correct 1600 ms 12404 KB Output is correct
26 Correct 1586 ms 12596 KB Output is correct
27 Correct 1454 ms 11492 KB Output is correct
28 Correct 1482 ms 11348 KB Output is correct
29 Correct 1468 ms 11444 KB Output is correct
30 Correct 780 ms 10680 KB Output is correct
31 Correct 1000 ms 10884 KB Output is correct
32 Correct 1650 ms 11912 KB Output is correct
33 Correct 51 ms 10096 KB Output is correct
34 Correct 50 ms 10152 KB Output is correct
35 Correct 51 ms 10080 KB Output is correct
36 Correct 54 ms 10188 KB Output is correct
37 Correct 1679 ms 11960 KB Output is correct
38 Correct 617 ms 10444 KB Output is correct
39 Correct 1648 ms 12172 KB Output is correct
40 Correct 816 ms 10680 KB Output is correct
41 Correct 983 ms 10968 KB Output is correct
42 Correct 1472 ms 11848 KB Output is correct
43 Correct 453 ms 10548 KB Output is correct
44 Correct 1552 ms 12416 KB Output is correct
45 Correct 1336 ms 11612 KB Output is correct
46 Correct 882 ms 10940 KB Output is correct
47 Correct 1533 ms 12344 KB Output is correct
48 Correct 1421 ms 11716 KB Output is correct
49 Correct 1540 ms 11408 KB Output is correct
50 Correct 1525 ms 11464 KB Output is correct
51 Correct 1532 ms 11436 KB Output is correct
52 Correct 1521 ms 11444 KB Output is correct
53 Correct 70 ms 10100 KB Output is correct
54 Correct 72 ms 10172 KB Output is correct
55 Correct 52 ms 10172 KB Output is correct
56 Correct 50 ms 10144 KB Output is correct
57 Correct 1118 ms 10908 KB Output is correct
58 Correct 470 ms 10400 KB Output is correct
59 Correct 1599 ms 11648 KB Output is correct
60 Correct 420 ms 10336 KB Output is correct
61 Correct 1433 ms 11592 KB Output is correct
62 Correct 1586 ms 12292 KB Output is correct
63 Correct 1565 ms 12440 KB Output is correct
64 Correct 1568 ms 12284 KB Output is correct
65 Correct 591 ms 10652 KB Output is correct
66 Correct 509 ms 10604 KB Output is correct
67 Correct 1428 ms 11640 KB Output is correct
68 Correct 1215 ms 11376 KB Output is correct
69 Correct 1482 ms 11368 KB Output is correct
70 Correct 1460 ms 11340 KB Output is correct
71 Correct 1459 ms 11392 KB Output is correct
72 Correct 1458 ms 11432 KB Output is correct
73 Correct 713 ms 10708 KB Output is correct
74 Correct 1343 ms 11332 KB Output is correct
75 Correct 1597 ms 12536 KB Output is correct
76 Correct 1551 ms 12448 KB Output is correct
77 Correct 55 ms 10192 KB Output is correct
78 Correct 49 ms 10172 KB Output is correct
79 Correct 86 ms 10080 KB Output is correct
80 Correct 52 ms 10184 KB Output is correct
81 Correct 1171 ms 11232 KB Output is correct
82 Correct 736 ms 10812 KB Output is correct
83 Correct 433 ms 10488 KB Output is correct
84 Correct 1197 ms 11256 KB Output is correct
85 Correct 1421 ms 11716 KB Output is correct
86 Correct 1473 ms 11756 KB Output is correct
87 Correct 993 ms 11092 KB Output is correct
88 Correct 436 ms 10524 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 6 ms 9684 KB Output is correct
3 Correct 7 ms 9720 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 11 ms 9856 KB Output is correct
6 Correct 11 ms 9812 KB Output is correct
7 Correct 9 ms 9684 KB Output is correct
8 Correct 9 ms 9812 KB Output is correct
9 Correct 13 ms 9700 KB Output is correct
10 Correct 10 ms 9812 KB Output is correct
11 Correct 12 ms 9812 KB Output is correct
12 Correct 12 ms 9808 KB Output is correct
13 Correct 10 ms 9812 KB Output is correct
14 Correct 9 ms 9804 KB Output is correct
15 Correct 6 ms 9684 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 9 ms 9684 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 9788 KB Output is correct
21 Correct 1502 ms 11448 KB Output is correct
22 Correct 1466 ms 11552 KB Output is correct
23 Correct 1452 ms 11480 KB Output is correct
24 Correct 1557 ms 11468 KB Output is correct
25 Correct 1600 ms 12404 KB Output is correct
26 Correct 1586 ms 12596 KB Output is correct
27 Correct 1454 ms 11492 KB Output is correct
28 Correct 1482 ms 11348 KB Output is correct
29 Correct 1468 ms 11444 KB Output is correct
30 Correct 780 ms 10680 KB Output is correct
31 Correct 1000 ms 10884 KB Output is correct
32 Correct 1650 ms 11912 KB Output is correct
33 Correct 49 ms 10188 KB Output is correct
34 Correct 49 ms 10156 KB Output is correct
35 Correct 55 ms 10188 KB Output is correct
36 Correct 53 ms 10132 KB Output is correct
37 Correct 1640 ms 11964 KB Output is correct
38 Correct 1582 ms 11700 KB Output is correct
39 Correct 1617 ms 11852 KB Output is correct
40 Correct 1577 ms 12660 KB Output is correct
41 Correct 1555 ms 12344 KB Output is correct
42 Correct 1451 ms 11768 KB Output is correct
43 Correct 150 ms 10252 KB Output is correct
44 Correct 1431 ms 12068 KB Output is correct
45 Correct 1324 ms 11712 KB Output is correct
46 Correct 809 ms 11012 KB Output is correct
47 Correct 703 ms 10872 KB Output is correct
48 Correct 493 ms 10608 KB Output is correct
49 Correct 1440 ms 11520 KB Output is correct
50 Correct 1449 ms 11372 KB Output is correct
51 Correct 1447 ms 11420 KB Output is correct
52 Correct 1434 ms 11372 KB Output is correct
53 Correct 223 ms 10348 KB Output is correct
54 Correct 999 ms 11140 KB Output is correct
55 Correct 1205 ms 11380 KB Output is correct
56 Correct 1047 ms 11184 KB Output is correct
57 Correct 50 ms 10096 KB Output is correct
58 Correct 47 ms 10152 KB Output is correct
59 Correct 50 ms 10196 KB Output is correct
60 Correct 48 ms 10096 KB Output is correct
61 Correct 1286 ms 11536 KB Output is correct
62 Correct 1296 ms 11552 KB Output is correct
63 Correct 1576 ms 12336 KB Output is correct
64 Correct 1415 ms 11740 KB Output is correct
65 Correct 1345 ms 11664 KB Output is correct
66 Correct 691 ms 10860 KB Output is correct
67 Correct 1170 ms 11388 KB Output is correct
68 Correct 1372 ms 11732 KB Output is correct
69 Correct 51 ms 10096 KB Output is correct
70 Correct 50 ms 10152 KB Output is correct
71 Correct 51 ms 10080 KB Output is correct
72 Correct 54 ms 10188 KB Output is correct
73 Correct 1679 ms 11960 KB Output is correct
74 Correct 617 ms 10444 KB Output is correct
75 Correct 1648 ms 12172 KB Output is correct
76 Correct 816 ms 10680 KB Output is correct
77 Correct 983 ms 10968 KB Output is correct
78 Correct 1472 ms 11848 KB Output is correct
79 Correct 453 ms 10548 KB Output is correct
80 Correct 1552 ms 12416 KB Output is correct
81 Correct 1336 ms 11612 KB Output is correct
82 Correct 882 ms 10940 KB Output is correct
83 Correct 1533 ms 12344 KB Output is correct
84 Correct 1421 ms 11716 KB Output is correct
85 Correct 1540 ms 11408 KB Output is correct
86 Correct 1525 ms 11464 KB Output is correct
87 Correct 1532 ms 11436 KB Output is correct
88 Correct 1521 ms 11444 KB Output is correct
89 Correct 70 ms 10100 KB Output is correct
90 Correct 72 ms 10172 KB Output is correct
91 Correct 52 ms 10172 KB Output is correct
92 Correct 50 ms 10144 KB Output is correct
93 Correct 1118 ms 10908 KB Output is correct
94 Correct 470 ms 10400 KB Output is correct
95 Correct 1599 ms 11648 KB Output is correct
96 Correct 420 ms 10336 KB Output is correct
97 Correct 1433 ms 11592 KB Output is correct
98 Correct 1586 ms 12292 KB Output is correct
99 Correct 1565 ms 12440 KB Output is correct
100 Correct 1568 ms 12284 KB Output is correct
101 Correct 591 ms 10652 KB Output is correct
102 Correct 509 ms 10604 KB Output is correct
103 Correct 1428 ms 11640 KB Output is correct
104 Correct 1215 ms 11376 KB Output is correct
105 Correct 1482 ms 11368 KB Output is correct
106 Correct 1460 ms 11340 KB Output is correct
107 Correct 1459 ms 11392 KB Output is correct
108 Correct 1458 ms 11432 KB Output is correct
109 Correct 713 ms 10708 KB Output is correct
110 Correct 1343 ms 11332 KB Output is correct
111 Correct 1597 ms 12536 KB Output is correct
112 Correct 1551 ms 12448 KB Output is correct
113 Correct 55 ms 10192 KB Output is correct
114 Correct 49 ms 10172 KB Output is correct
115 Correct 86 ms 10080 KB Output is correct
116 Correct 52 ms 10184 KB Output is correct
117 Correct 1171 ms 11232 KB Output is correct
118 Correct 736 ms 10812 KB Output is correct
119 Correct 433 ms 10488 KB Output is correct
120 Correct 1197 ms 11256 KB Output is correct
121 Correct 1421 ms 11716 KB Output is correct
122 Correct 1473 ms 11756 KB Output is correct
123 Correct 993 ms 11092 KB Output is correct
124 Correct 436 ms 10524 KB Output is correct
125 Correct 127 ms 10604 KB Output is correct
126 Correct 134 ms 10596 KB Output is correct
127 Correct 151 ms 10700 KB Output is correct
128 Correct 119 ms 10560 KB Output is correct
129 Correct 102 ms 10620 KB Output is correct
130 Correct 123 ms 10652 KB Output is correct
131 Correct 1692 ms 11196 KB Output is correct
132 Execution timed out 5030 ms 12816 KB Time limit exceeded
133 Halted 0 ms 0 KB -