oj.uz

Submission #798603

# Submission time Handle Problem Language Result Execution time Memory
798603 2023-07-30T21:32:00 Z kingfran1907 Segments (IZhO18_segments) C++14
75 / 100
 5000 ms 12332 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 = 400;

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];
}

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 < maxn / 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 9592 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 7 ms 9684 KB Output is correct
4 Correct 6 ms 9668 KB Output is correct
5 Correct 11 ms 9812 KB Output is correct
6 Correct 12 ms 9824 KB Output is correct
7 Correct 10 ms 9940 KB Output is correct
8 Correct 11 ms 9760 KB Output is correct
9 Correct 10 ms 9684 KB Output is correct
10 Correct 10 ms 9812 KB Output is correct
11 Correct 12 ms 9788 KB Output is correct
12 Correct 12 ms 9684 KB Output is correct
13 Correct 11 ms 9804 KB Output is correct
14 Correct 10 ms 9792 KB Output is correct
15 Correct 6 ms 9684 KB Output is correct
16 Correct 7 ms 9692 KB Output is correct
17 Correct 9 ms 9684 KB Output is correct
18 Correct 10 ms 9828 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 1954 ms 11200 KB Output is correct
2 Correct 1954 ms 11180 KB Output is correct
3 Correct 1931 ms 11172 KB Output is correct
4 Correct 2048 ms 11380 KB Output is correct
5 Correct 2217 ms 12164 KB Output is correct
6 Correct 2175 ms 12328 KB Output is correct
7 Correct 1940 ms 11180 KB Output is correct
8 Correct 1944 ms 11448 KB Output is correct
9 Correct 1954 ms 11236 KB Output is correct
10 Correct 983 ms 10544 KB Output is correct
11 Correct 1279 ms 10864 KB Output is correct
12 Correct 2232 ms 11608 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 10208 KB Output is correct
2 Correct 51 ms 10244 KB Output is correct
3 Correct 57 ms 10208 KB Output is correct
4 Correct 45 ms 10192 KB Output is correct
5 Correct 2295 ms 11780 KB Output is correct
6 Correct 2180 ms 11620 KB Output is correct
7 Correct 2232 ms 11548 KB Output is correct
8 Correct 2207 ms 12332 KB Output is correct
9 Correct 2167 ms 11980 KB Output is correct
10 Correct 1988 ms 11596 KB Output is correct
11 Correct 193 ms 10328 KB Output is correct
12 Correct 2025 ms 11620 KB Output is correct
13 Correct 1863 ms 11376 KB Output is correct
14 Correct 1108 ms 10932 KB Output is correct
15 Correct 959 ms 10740 KB Output is correct
16 Correct 679 ms 10660 KB Output is correct
17 Correct 1977 ms 11200 KB Output is correct
18 Correct 1986 ms 11384 KB Output is correct
19 Correct 1987 ms 11356 KB Output is correct
20 Correct 1982 ms 11284 KB Output is correct
21 Correct 267 ms 10336 KB Output is correct
22 Correct 1368 ms 10904 KB Output is correct
23 Correct 1680 ms 11156 KB Output is correct
24 Correct 1473 ms 10948 KB Output is correct
25 Correct 49 ms 10140 KB Output is correct
26 Correct 46 ms 10124 KB Output is correct
27 Correct 48 ms 10152 KB Output is correct
28 Correct 47 ms 10144 KB Output is correct
29 Correct 1791 ms 11580 KB Output is correct
30 Correct 1793 ms 11348 KB Output is correct
31 Correct 2171 ms 12072 KB Output is correct
32 Correct 1983 ms 11560 KB Output is correct
33 Correct 1876 ms 11428 KB Output is correct
34 Correct 928 ms 10712 KB Output is correct
35 Correct 1630 ms 11296 KB Output is correct
36 Correct 1933 ms 11488 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 10068 KB Output is correct
2 Correct 56 ms 10188 KB Output is correct
3 Correct 47 ms 10188 KB Output is correct
4 Correct 63 ms 10144 KB Output is correct
5 Correct 2273 ms 11824 KB Output is correct
6 Correct 751 ms 10476 KB Output is correct
7 Correct 2266 ms 12108 KB Output is correct
8 Correct 1033 ms 10572 KB Output is correct
9 Correct 1310 ms 10924 KB Output is correct
10 Correct 2081 ms 11712 KB Output is correct
11 Correct 588 ms 10448 KB Output is correct
12 Correct 2151 ms 12208 KB Output is correct
13 Correct 1842 ms 11536 KB Output is correct
14 Correct 1209 ms 10980 KB Output is correct
15 Correct 2161 ms 12048 KB Output is correct
16 Correct 1915 ms 11516 KB Output is correct
17 Correct 1949 ms 11156 KB Output is correct
18 Correct 1951 ms 11264 KB Output is correct
19 Correct 1939 ms 11272 KB Output is correct
20 Correct 1951 ms 11208 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9592 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 7 ms 9684 KB Output is correct
4 Correct 6 ms 9668 KB Output is correct
5 Correct 11 ms 9812 KB Output is correct
6 Correct 12 ms 9824 KB Output is correct
7 Correct 10 ms 9940 KB Output is correct
8 Correct 11 ms 9760 KB Output is correct
9 Correct 10 ms 9684 KB Output is correct
10 Correct 10 ms 9812 KB Output is correct
11 Correct 12 ms 9788 KB Output is correct
12 Correct 12 ms 9684 KB Output is correct
13 Correct 11 ms 9804 KB Output is correct
14 Correct 10 ms 9792 KB Output is correct
15 Correct 6 ms 9684 KB Output is correct
16 Correct 7 ms 9692 KB Output is correct
17 Correct 9 ms 9684 KB Output is correct
18 Correct 10 ms 9828 KB Output is correct
19 Correct 9 ms 9684 KB Output is correct
20 Correct 9 ms 9684 KB Output is correct
21 Correct 1954 ms 11200 KB Output is correct
22 Correct 1954 ms 11180 KB Output is correct
23 Correct 1931 ms 11172 KB Output is correct
24 Correct 2048 ms 11380 KB Output is correct
25 Correct 2217 ms 12164 KB Output is correct
26 Correct 2175 ms 12328 KB Output is correct
27 Correct 1940 ms 11180 KB Output is correct
28 Correct 1944 ms 11448 KB Output is correct
29 Correct 1954 ms 11236 KB Output is correct
30 Correct 983 ms 10544 KB Output is correct
31 Correct 1279 ms 10864 KB Output is correct
32 Correct 2232 ms 11608 KB Output is correct
33 Correct 46 ms 10068 KB Output is correct
34 Correct 56 ms 10188 KB Output is correct
35 Correct 47 ms 10188 KB Output is correct
36 Correct 63 ms 10144 KB Output is correct
37 Correct 2273 ms 11824 KB Output is correct
38 Correct 751 ms 10476 KB Output is correct
39 Correct 2266 ms 12108 KB Output is correct
40 Correct 1033 ms 10572 KB Output is correct
41 Correct 1310 ms 10924 KB Output is correct
42 Correct 2081 ms 11712 KB Output is correct
43 Correct 588 ms 10448 KB Output is correct
44 Correct 2151 ms 12208 KB Output is correct
45 Correct 1842 ms 11536 KB Output is correct
46 Correct 1209 ms 10980 KB Output is correct
47 Correct 2161 ms 12048 KB Output is correct
48 Correct 1915 ms 11516 KB Output is correct
49 Correct 1949 ms 11156 KB Output is correct
50 Correct 1951 ms 11264 KB Output is correct
51 Correct 1939 ms 11272 KB Output is correct
52 Correct 1951 ms 11208 KB Output is correct
53 Correct 51 ms 10196 KB Output is correct
54 Correct 57 ms 10184 KB Output is correct
55 Correct 48 ms 10068 KB Output is correct
56 Correct 47 ms 10060 KB Output is correct
57 Correct 1457 ms 10880 KB Output is correct
58 Correct 568 ms 10272 KB Output is correct
59 Correct 2163 ms 11484 KB Output is correct
60 Correct 466 ms 10228 KB Output is correct
61 Correct 1854 ms 11496 KB Output is correct
62 Correct 2152 ms 12152 KB Output is correct
63 Correct 2161 ms 12224 KB Output is correct
64 Correct 2156 ms 12112 KB Output is correct
65 Correct 791 ms 10696 KB Output is correct
66 Correct 646 ms 10484 KB Output is correct
67 Correct 1939 ms 11604 KB Output is correct
68 Correct 1642 ms 11468 KB Output is correct
69 Correct 1934 ms 11260 KB Output is correct
70 Correct 1947 ms 11352 KB Output is correct
71 Correct 1939 ms 11268 KB Output is correct
72 Correct 1951 ms 11272 KB Output is correct
73 Correct 958 ms 10696 KB Output is correct
74 Correct 1633 ms 11304 KB Output is correct
75 Correct 2144 ms 12228 KB Output is correct
76 Correct 2163 ms 12164 KB Output is correct
77 Correct 49 ms 10072 KB Output is correct
78 Correct 46 ms 10060 KB Output is correct
79 Correct 54 ms 10120 KB Output is correct
80 Correct 48 ms 10060 KB Output is correct
81 Correct 1578 ms 11084 KB Output is correct
82 Correct 948 ms 10708 KB Output is correct
83 Correct 535 ms 10444 KB Output is correct
84 Correct 1595 ms 11168 KB Output is correct
85 Correct 1948 ms 11532 KB Output is correct
86 Correct 1980 ms 11720 KB Output is correct
87 Correct 1316 ms 10956 KB Output is correct
88 Correct 564 ms 10444 KB Output is correct

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9592 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 7 ms 9684 KB Output is correct
4 Correct 6 ms 9668 KB Output is correct
5 Correct 11 ms 9812 KB Output is correct
6 Correct 12 ms 9824 KB Output is correct
7 Correct 10 ms 9940 KB Output is correct
8 Correct 11 ms 9760 KB Output is correct
9 Correct 10 ms 9684 KB Output is correct
10 Correct 10 ms 9812 KB Output is correct
11 Correct 12 ms 9788 KB Output is correct
12 Correct 12 ms 9684 KB Output is correct
13 Correct 11 ms 9804 KB Output is correct
14 Correct 10 ms 9792 KB Output is correct
15 Correct 6 ms 9684 KB Output is correct
16 Correct 7 ms 9692 KB Output is correct
17 Correct 9 ms 9684 KB Output is correct
18 Correct 10 ms 9828 KB Output is correct
19 Correct 9 ms 9684 KB Output is correct
20 Correct 9 ms 9684 KB Output is correct
21 Correct 1954 ms 11200 KB Output is correct
22 Correct 1954 ms 11180 KB Output is correct
23 Correct 1931 ms 11172 KB Output is correct
24 Correct 2048 ms 11380 KB Output is correct
25 Correct 2217 ms 12164 KB Output is correct
26 Correct 2175 ms 12328 KB Output is correct
27 Correct 1940 ms 11180 KB Output is correct
28 Correct 1944 ms 11448 KB Output is correct
29 Correct 1954 ms 11236 KB Output is correct
30 Correct 983 ms 10544 KB Output is correct
31 Correct 1279 ms 10864 KB Output is correct
32 Correct 2232 ms 11608 KB Output is correct
33 Correct 48 ms 10208 KB Output is correct
34 Correct 51 ms 10244 KB Output is correct
35 Correct 57 ms 10208 KB Output is correct
36 Correct 45 ms 10192 KB Output is correct
37 Correct 2295 ms 11780 KB Output is correct
38 Correct 2180 ms 11620 KB Output is correct
39 Correct 2232 ms 11548 KB Output is correct
40 Correct 2207 ms 12332 KB Output is correct
41 Correct 2167 ms 11980 KB Output is correct
42 Correct 1988 ms 11596 KB Output is correct
43 Correct 193 ms 10328 KB Output is correct
44 Correct 2025 ms 11620 KB Output is correct
45 Correct 1863 ms 11376 KB Output is correct
46 Correct 1108 ms 10932 KB Output is correct
47 Correct 959 ms 10740 KB Output is correct
48 Correct 679 ms 10660 KB Output is correct
49 Correct 1977 ms 11200 KB Output is correct
50 Correct 1986 ms 11384 KB Output is correct
51 Correct 1987 ms 11356 KB Output is correct
52 Correct 1982 ms 11284 KB Output is correct
53 Correct 267 ms 10336 KB Output is correct
54 Correct 1368 ms 10904 KB Output is correct
55 Correct 1680 ms 11156 KB Output is correct
56 Correct 1473 ms 10948 KB Output is correct
57 Correct 49 ms 10140 KB Output is correct
58 Correct 46 ms 10124 KB Output is correct
59 Correct 48 ms 10152 KB Output is correct
60 Correct 47 ms 10144 KB Output is correct
61 Correct 1791 ms 11580 KB Output is correct
62 Correct 1793 ms 11348 KB Output is correct
63 Correct 2171 ms 12072 KB Output is correct
64 Correct 1983 ms 11560 KB Output is correct
65 Correct 1876 ms 11428 KB Output is correct
66 Correct 928 ms 10712 KB Output is correct
67 Correct 1630 ms 11296 KB Output is correct
68 Correct 1933 ms 11488 KB Output is correct
69 Correct 46 ms 10068 KB Output is correct
70 Correct 56 ms 10188 KB Output is correct
71 Correct 47 ms 10188 KB Output is correct
72 Correct 63 ms 10144 KB Output is correct
73 Correct 2273 ms 11824 KB Output is correct
74 Correct 751 ms 10476 KB Output is correct
75 Correct 2266 ms 12108 KB Output is correct
76 Correct 1033 ms 10572 KB Output is correct
77 Correct 1310 ms 10924 KB Output is correct
78 Correct 2081 ms 11712 KB Output is correct
79 Correct 588 ms 10448 KB Output is correct
80 Correct 2151 ms 12208 KB Output is correct
81 Correct 1842 ms 11536 KB Output is correct
82 Correct 1209 ms 10980 KB Output is correct
83 Correct 2161 ms 12048 KB Output is correct
84 Correct 1915 ms 11516 KB Output is correct
85 Correct 1949 ms 11156 KB Output is correct
86 Correct 1951 ms 11264 KB Output is correct
87 Correct 1939 ms 11272 KB Output is correct
88 Correct 1951 ms 11208 KB Output is correct
89 Correct 51 ms 10196 KB Output is correct
90 Correct 57 ms 10184 KB Output is correct
91 Correct 48 ms 10068 KB Output is correct
92 Correct 47 ms 10060 KB Output is correct
93 Correct 1457 ms 10880 KB Output is correct
94 Correct 568 ms 10272 KB Output is correct
95 Correct 2163 ms 11484 KB Output is correct
96 Correct 466 ms 10228 KB Output is correct
97 Correct 1854 ms 11496 KB Output is correct
98 Correct 2152 ms 12152 KB Output is correct
99 Correct 2161 ms 12224 KB Output is correct
100 Correct 2156 ms 12112 KB Output is correct
101 Correct 791 ms 10696 KB Output is correct
102 Correct 646 ms 10484 KB Output is correct
103 Correct 1939 ms 11604 KB Output is correct
104 Correct 1642 ms 11468 KB Output is correct
105 Correct 1934 ms 11260 KB Output is correct
106 Correct 1947 ms 11352 KB Output is correct
107 Correct 1939 ms 11268 KB Output is correct
108 Correct 1951 ms 11272 KB Output is correct
109 Correct 958 ms 10696 KB Output is correct
110 Correct 1633 ms 11304 KB Output is correct
111 Correct 2144 ms 12228 KB Output is correct
112 Correct 2163 ms 12164 KB Output is correct
113 Correct 49 ms 10072 KB Output is correct
114 Correct 46 ms 10060 KB Output is correct
115 Correct 54 ms 10120 KB Output is correct
116 Correct 48 ms 10060 KB Output is correct
117 Correct 1578 ms 11084 KB Output is correct
118 Correct 948 ms 10708 KB Output is correct
119 Correct 535 ms 10444 KB Output is correct
120 Correct 1595 ms 11168 KB Output is correct
121 Correct 1948 ms 11532 KB Output is correct
122 Correct 1980 ms 11720 KB Output is correct
123 Correct 1316 ms 10956 KB Output is correct
124 Correct 564 ms 10444 KB Output is correct
125 Correct 103 ms 10644 KB Output is correct
126 Correct 120 ms 10760 KB Output is correct
127 Correct 142 ms 10656 KB Output is correct
128 Correct 116 ms 10624 KB Output is correct
129 Correct 99 ms 10632 KB Output is correct
130 Correct 120 ms 10572 KB Output is correct
131 Correct 2142 ms 11224 KB Output is correct
132 Execution timed out 5063 ms 12320 KB Time limit exceeded
133 Halted 0 ms 0 KB -