oj.uz

Submission #798606

# Submission time Handle Problem Language Result Execution time Memory
798606 2023-07-30T21:36:42 Z kingfran1907 Segments (IZhO18_segments) C++14
75 / 100
 5000 ms 18496 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 = 800;

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 4 ms 9684 KB Output is correct
3 Correct 7 ms 9812 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 10 ms 9812 KB Output is correct
6 Correct 12 ms 9832 KB Output is correct
7 Correct 8 ms 9684 KB Output is correct
8 Correct 10 ms 9816 KB Output is correct
9 Correct 9 ms 9744 KB Output is correct
10 Correct 8 ms 9728 KB Output is correct
11 Correct 12 ms 9796 KB Output is correct
12 Correct 12 ms 9684 KB Output is correct
13 Correct 9 ms 9760 KB Output is correct
14 Correct 9 ms 9792 KB Output is correct
15 Correct 8 ms 9684 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 9 ms 9784 KB Output is correct
18 Correct 9 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 1191 ms 11272 KB Output is correct
2 Correct 1233 ms 11192 KB Output is correct
3 Correct 1179 ms 11164 KB Output is correct
4 Correct 1220 ms 11372 KB Output is correct
5 Correct 1236 ms 12108 KB Output is correct
6 Correct 1197 ms 12096 KB Output is correct
7 Correct 1176 ms 11360 KB Output is correct
8 Correct 1175 ms 11272 KB Output is correct
9 Correct 1209 ms 11256 KB Output is correct
10 Correct 665 ms 10504 KB Output is correct
11 Correct 818 ms 10832 KB Output is correct
12 Correct 1335 ms 11688 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 10152 KB Output is correct
2 Correct 49 ms 10148 KB Output is correct
3 Correct 64 ms 10148 KB Output is correct
4 Correct 49 ms 10068 KB Output is correct
5 Correct 1271 ms 11808 KB Output is correct
6 Correct 1231 ms 11472 KB Output is correct
7 Correct 1258 ms 11696 KB Output is correct
8 Correct 1223 ms 12216 KB Output is correct
9 Correct 1199 ms 12300 KB Output is correct
10 Correct 1099 ms 11584 KB Output is correct
11 Correct 137 ms 10368 KB Output is correct
12 Correct 1114 ms 11596 KB Output is correct
13 Correct 1016 ms 11440 KB Output is correct
14 Correct 646 ms 10948 KB Output is correct
15 Correct 541 ms 10712 KB Output is correct
16 Correct 397 ms 10648 KB Output is correct
17 Correct 1110 ms 11292 KB Output is correct
18 Correct 1120 ms 11272 KB Output is correct
19 Correct 1116 ms 11268 KB Output is correct
20 Correct 1117 ms 11392 KB Output is correct
21 Correct 172 ms 10384 KB Output is correct
22 Correct 802 ms 10932 KB Output is correct
23 Correct 963 ms 11240 KB Output is correct
24 Correct 849 ms 10956 KB Output is correct
25 Correct 66 ms 10220 KB Output is correct
26 Correct 59 ms 10200 KB Output is correct
27 Correct 67 ms 10136 KB Output is correct
28 Correct 74 ms 10088 KB Output is correct
29 Correct 1008 ms 11360 KB Output is correct
30 Correct 993 ms 11272 KB Output is correct
31 Correct 1256 ms 11996 KB Output is correct
32 Correct 1129 ms 11568 KB Output is correct
33 Correct 1047 ms 11452 KB Output is correct
34 Correct 538 ms 10664 KB Output is correct
35 Correct 917 ms 11244 KB Output is correct
36 Correct 1091 ms 11536 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 10116 KB Output is correct
2 Correct 53 ms 10192 KB Output is correct
3 Correct 73 ms 10156 KB Output is correct
4 Correct 56 ms 10188 KB Output is correct
5 Correct 1338 ms 11944 KB Output is correct
6 Correct 565 ms 10428 KB Output is correct
7 Correct 1330 ms 11940 KB Output is correct
8 Correct 728 ms 10548 KB Output is correct
9 Correct 854 ms 10960 KB Output is correct
10 Correct 1155 ms 11672 KB Output is correct
11 Correct 388 ms 10400 KB Output is correct
12 Correct 1195 ms 12180 KB Output is correct
13 Correct 1063 ms 11432 KB Output is correct
14 Correct 718 ms 10896 KB Output is correct
15 Correct 1325 ms 12140 KB Output is correct
16 Correct 1092 ms 11412 KB Output is correct
17 Correct 1205 ms 11324 KB Output is correct
18 Correct 1202 ms 11152 KB Output is correct
19 Correct 1203 ms 11268 KB Output is correct
20 Correct 1366 ms 11256 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 7 ms 9812 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 10 ms 9812 KB Output is correct
6 Correct 12 ms 9832 KB Output is correct
7 Correct 8 ms 9684 KB Output is correct
8 Correct 10 ms 9816 KB Output is correct
9 Correct 9 ms 9744 KB Output is correct
10 Correct 8 ms 9728 KB Output is correct
11 Correct 12 ms 9796 KB Output is correct
12 Correct 12 ms 9684 KB Output is correct
13 Correct 9 ms 9760 KB Output is correct
14 Correct 9 ms 9792 KB Output is correct
15 Correct 8 ms 9684 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 9 ms 9784 KB Output is correct
18 Correct 9 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 1191 ms 11272 KB Output is correct
22 Correct 1233 ms 11192 KB Output is correct
23 Correct 1179 ms 11164 KB Output is correct
24 Correct 1220 ms 11372 KB Output is correct
25 Correct 1236 ms 12108 KB Output is correct
26 Correct 1197 ms 12096 KB Output is correct
27 Correct 1176 ms 11360 KB Output is correct
28 Correct 1175 ms 11272 KB Output is correct
29 Correct 1209 ms 11256 KB Output is correct
30 Correct 665 ms 10504 KB Output is correct
31 Correct 818 ms 10832 KB Output is correct
32 Correct 1335 ms 11688 KB Output is correct
33 Correct 73 ms 10116 KB Output is correct
34 Correct 53 ms 10192 KB Output is correct
35 Correct 73 ms 10156 KB Output is correct
36 Correct 56 ms 10188 KB Output is correct
37 Correct 1338 ms 11944 KB Output is correct
38 Correct 565 ms 10428 KB Output is correct
39 Correct 1330 ms 11940 KB Output is correct
40 Correct 728 ms 10548 KB Output is correct
41 Correct 854 ms 10960 KB Output is correct
42 Correct 1155 ms 11672 KB Output is correct
43 Correct 388 ms 10400 KB Output is correct
44 Correct 1195 ms 12180 KB Output is correct
45 Correct 1063 ms 11432 KB Output is correct
46 Correct 718 ms 10896 KB Output is correct
47 Correct 1325 ms 12140 KB Output is correct
48 Correct 1092 ms 11412 KB Output is correct
49 Correct 1205 ms 11324 KB Output is correct
50 Correct 1202 ms 11152 KB Output is correct
51 Correct 1203 ms 11268 KB Output is correct
52 Correct 1366 ms 11256 KB Output is correct
53 Correct 80 ms 10160 KB Output is correct
54 Correct 82 ms 10184 KB Output is correct
55 Correct 57 ms 10172 KB Output is correct
56 Correct 67 ms 10092 KB Output is correct
57 Correct 956 ms 10916 KB Output is correct
58 Correct 439 ms 10352 KB Output is correct
59 Correct 1308 ms 11396 KB Output is correct
60 Correct 409 ms 10336 KB Output is correct
61 Correct 1063 ms 11412 KB Output is correct
62 Correct 1230 ms 11952 KB Output is correct
63 Correct 1203 ms 12104 KB Output is correct
64 Correct 1202 ms 12020 KB Output is correct
65 Correct 519 ms 10616 KB Output is correct
66 Correct 420 ms 10624 KB Output is correct
67 Correct 1142 ms 11776 KB Output is correct
68 Correct 963 ms 11172 KB Output is correct
69 Correct 1194 ms 11168 KB Output is correct
70 Correct 1175 ms 11160 KB Output is correct
71 Correct 1185 ms 11316 KB Output is correct
72 Correct 1199 ms 11272 KB Output is correct
73 Correct 586 ms 10664 KB Output is correct
74 Correct 969 ms 11204 KB Output is correct
75 Correct 1228 ms 12152 KB Output is correct
76 Correct 1299 ms 12140 KB Output is correct
77 Correct 56 ms 10084 KB Output is correct
78 Correct 68 ms 10216 KB Output is correct
79 Correct 72 ms 10116 KB Output is correct
80 Correct 65 ms 10084 KB Output is correct
81 Correct 974 ms 11104 KB Output is correct
82 Correct 617 ms 10712 KB Output is correct
83 Correct 356 ms 10420 KB Output is correct
84 Correct 924 ms 11160 KB Output is correct
85 Correct 1112 ms 11552 KB Output is correct
86 Correct 1131 ms 11712 KB Output is correct
87 Correct 781 ms 11092 KB Output is correct
88 Correct 371 ms 10480 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 7 ms 9812 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 10 ms 9812 KB Output is correct
6 Correct 12 ms 9832 KB Output is correct
7 Correct 8 ms 9684 KB Output is correct
8 Correct 10 ms 9816 KB Output is correct
9 Correct 9 ms 9744 KB Output is correct
10 Correct 8 ms 9728 KB Output is correct
11 Correct 12 ms 9796 KB Output is correct
12 Correct 12 ms 9684 KB Output is correct
13 Correct 9 ms 9760 KB Output is correct
14 Correct 9 ms 9792 KB Output is correct
15 Correct 8 ms 9684 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 9 ms 9784 KB Output is correct
18 Correct 9 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 1191 ms 11272 KB Output is correct
22 Correct 1233 ms 11192 KB Output is correct
23 Correct 1179 ms 11164 KB Output is correct
24 Correct 1220 ms 11372 KB Output is correct
25 Correct 1236 ms 12108 KB Output is correct
26 Correct 1197 ms 12096 KB Output is correct
27 Correct 1176 ms 11360 KB Output is correct
28 Correct 1175 ms 11272 KB Output is correct
29 Correct 1209 ms 11256 KB Output is correct
30 Correct 665 ms 10504 KB Output is correct
31 Correct 818 ms 10832 KB Output is correct
32 Correct 1335 ms 11688 KB Output is correct
33 Correct 52 ms 10152 KB Output is correct
34 Correct 49 ms 10148 KB Output is correct
35 Correct 64 ms 10148 KB Output is correct
36 Correct 49 ms 10068 KB Output is correct
37 Correct 1271 ms 11808 KB Output is correct
38 Correct 1231 ms 11472 KB Output is correct
39 Correct 1258 ms 11696 KB Output is correct
40 Correct 1223 ms 12216 KB Output is correct
41 Correct 1199 ms 12300 KB Output is correct
42 Correct 1099 ms 11584 KB Output is correct
43 Correct 137 ms 10368 KB Output is correct
44 Correct 1114 ms 11596 KB Output is correct
45 Correct 1016 ms 11440 KB Output is correct
46 Correct 646 ms 10948 KB Output is correct
47 Correct 541 ms 10712 KB Output is correct
48 Correct 397 ms 10648 KB Output is correct
49 Correct 1110 ms 11292 KB Output is correct
50 Correct 1120 ms 11272 KB Output is correct
51 Correct 1116 ms 11268 KB Output is correct
52 Correct 1117 ms 11392 KB Output is correct
53 Correct 172 ms 10384 KB Output is correct
54 Correct 802 ms 10932 KB Output is correct
55 Correct 963 ms 11240 KB Output is correct
56 Correct 849 ms 10956 KB Output is correct
57 Correct 66 ms 10220 KB Output is correct
58 Correct 59 ms 10200 KB Output is correct
59 Correct 67 ms 10136 KB Output is correct
60 Correct 74 ms 10088 KB Output is correct
61 Correct 1008 ms 11360 KB Output is correct
62 Correct 993 ms 11272 KB Output is correct
63 Correct 1256 ms 11996 KB Output is correct
64 Correct 1129 ms 11568 KB Output is correct
65 Correct 1047 ms 11452 KB Output is correct
66 Correct 538 ms 10664 KB Output is correct
67 Correct 917 ms 11244 KB Output is correct
68 Correct 1091 ms 11536 KB Output is correct
69 Correct 73 ms 10116 KB Output is correct
70 Correct 53 ms 10192 KB Output is correct
71 Correct 73 ms 10156 KB Output is correct
72 Correct 56 ms 10188 KB Output is correct
73 Correct 1338 ms 11944 KB Output is correct
74 Correct 565 ms 10428 KB Output is correct
75 Correct 1330 ms 11940 KB Output is correct
76 Correct 728 ms 10548 KB Output is correct
77 Correct 854 ms 10960 KB Output is correct
78 Correct 1155 ms 11672 KB Output is correct
79 Correct 388 ms 10400 KB Output is correct
80 Correct 1195 ms 12180 KB Output is correct
81 Correct 1063 ms 11432 KB Output is correct
82 Correct 718 ms 10896 KB Output is correct
83 Correct 1325 ms 12140 KB Output is correct
84 Correct 1092 ms 11412 KB Output is correct
85 Correct 1205 ms 11324 KB Output is correct
86 Correct 1202 ms 11152 KB Output is correct
87 Correct 1203 ms 11268 KB Output is correct
88 Correct 1366 ms 11256 KB Output is correct
89 Correct 80 ms 10160 KB Output is correct
90 Correct 82 ms 10184 KB Output is correct
91 Correct 57 ms 10172 KB Output is correct
92 Correct 67 ms 10092 KB Output is correct
93 Correct 956 ms 10916 KB Output is correct
94 Correct 439 ms 10352 KB Output is correct
95 Correct 1308 ms 11396 KB Output is correct
96 Correct 409 ms 10336 KB Output is correct
97 Correct 1063 ms 11412 KB Output is correct
98 Correct 1230 ms 11952 KB Output is correct
99 Correct 1203 ms 12104 KB Output is correct
100 Correct 1202 ms 12020 KB Output is correct
101 Correct 519 ms 10616 KB Output is correct
102 Correct 420 ms 10624 KB Output is correct
103 Correct 1142 ms 11776 KB Output is correct
104 Correct 963 ms 11172 KB Output is correct
105 Correct 1194 ms 11168 KB Output is correct
106 Correct 1175 ms 11160 KB Output is correct
107 Correct 1185 ms 11316 KB Output is correct
108 Correct 1199 ms 11272 KB Output is correct
109 Correct 586 ms 10664 KB Output is correct
110 Correct 969 ms 11204 KB Output is correct
111 Correct 1228 ms 12152 KB Output is correct
112 Correct 1299 ms 12140 KB Output is correct
113 Correct 56 ms 10084 KB Output is correct
114 Correct 68 ms 10216 KB Output is correct
115 Correct 72 ms 10116 KB Output is correct
116 Correct 65 ms 10084 KB Output is correct
117 Correct 974 ms 11104 KB Output is correct
118 Correct 617 ms 10712 KB Output is correct
119 Correct 356 ms 10420 KB Output is correct
120 Correct 924 ms 11160 KB Output is correct
121 Correct 1112 ms 11552 KB Output is correct
122 Correct 1131 ms 11712 KB Output is correct
123 Correct 781 ms 11092 KB Output is correct
124 Correct 371 ms 10480 KB Output is correct
125 Correct 146 ms 10696 KB Output is correct
126 Correct 118 ms 10612 KB Output is correct
127 Correct 145 ms 10604 KB Output is correct
128 Correct 123 ms 10612 KB Output is correct
129 Correct 108 ms 10636 KB Output is correct
130 Correct 129 ms 10596 KB Output is correct
131 Correct 1455 ms 11084 KB Output is correct
132 Correct 4369 ms 12860 KB Output is correct
133 Execution timed out 5066 ms 18496 KB Time limit exceeded
134 Halted 0 ms 0 KB -