oj.uz

Submission #960974

# Submission time Handle Problem Language Result Execution time Memory
960974 2024-04-11T10:20:10 Z pragmatist Segments (IZhO18_segments) C++17
100 / 100
 4128 ms 18944 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
const int N = 2e5+7;
const int K = 1000;
 
int n, t;
pair<int, int> a[N];
multiset<pair<int, int> > active;
 
struct Data {
	int l, r, x;
};
vector<Data> add;
vector<array<int, 3>> cur;
vector<int> b1[1000], b2[1000];
	
void build() {
    cur.clear();
	for(auto [x, y] : active) {
		int len = y-x+1;
		cur.push_back({len, x, y});		
	}	
	sort(cur.begin(), cur.end());
	int m = (int)cur.size();
	for(int i = 0; i <= (m-1)/K; ++i) {
		b1[i].clear();
		b2[i].clear();
	}
	for(int i = 0; i < m; ++i) {
		b1[i/K].push_back(cur[i][1]);
		b2[i/K].push_back(cur[i][2]);				
	}
	for(int i = 0; i <= (m-1)/K; ++i) {
		sort(b1[i].rbegin(), b1[i].rend());
		sort(b2[i].begin(), b2[i].end());
	}
	add.clear();
}
 
int get(int l, int r, int k) {
	if(r-l+1<k) {
		return 0;
	}		
	int res = 0;
	int m = (int)cur.size();
	for(int i = 0, id = 0; i < m; i += K, ++id) {
		if(cur[i][0]<k) {
		    int j = min(m, i+K), old = i;
		    if(cur[j-1][0]<k) {
		    	continue;
		    }
		    while(i<j) {
		    	if(cur[i][0]>=k) {
		    		res++;
		    		if(cur[i][2]<l+k-1) {
		    			res--;
		    		}            
		    		if(cur[i][1]>r-k+1) {
		    			res--;
		    		}
		    	}
		    	i++;
		    }
			i = old;
			continue;
		} else {
			res += (int)(b1[id].size());
			assert((int)b1[id].size() == (int)b2[id].size());
			int tl = 0, tr = (int)b1[id].size()-1, x1 = 0, x2 = 0;
			while(tl<=tr) {
				int mid = (tl+tr)/2;
				if(b1[id][mid]>r-k+1) {
					x1 = mid+1;
					tl = mid+1;
				} else {
					tr = mid-1;
				}
			} 
			res -= x1;
			tl = 0, tr = (int)b2[id].size()-1;
			while(tl<=tr) {
				int mid = (tl+tr)/2;
				if(b2[id][mid]<l+k-1) {
					x2 = mid+1;
					tl = mid+1;
				} else {
					tr = mid-1;
				}
			}			
			res -= x2;
		}
	} 
	for(auto [c, d, x] : add) {
		int len = min(d, r)-max(l, c)+1;
		if(len >= k) {
			res += x;
		}
	}
	return res;
}
 
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
	cin >> n >> t;
	int ans = 0, timer = 0;
	for(int i = 1; i <= n; ++i) {
		char tp;
		cin >> tp;
		if(tp == '1') {
			int l, r;
			cin >> l >> r;
			l = (l^(t*ans));
			r = (r^(t*ans));
			if(l>r) {
				swap(l, r);
			}
			a[++timer] = {l, r};
			add.push_back({l, r, 1});
			active.insert({l, r});		
		} else if(tp == '2') {
			int id;
			cin >> id;
			add.push_back({a[id].first, a[id].second, -1});
			auto it = active.find(a[id]);
			active.erase(it);
		} else {
			int l, r, k;
			cin >> l >> r >> k;
			l = (l^(t*ans));
			r = (r^(t*ans));
			if(l>r) {
				swap(l, r);
			}
			if(r-l+1<k) {
				cout << (ans=0) << "\n";
				continue;
			}
			cout << (ans = get(l, r, k)) << "\n";
		}
		if((int)add.size()>K) {
			build();
		}
	}
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 4 ms 348 KB Output is correct
4 Correct 3 ms 552 KB Output is correct
5 Correct 4 ms 604 KB Output is correct
6 Correct 5 ms 604 KB Output is correct
7 Correct 4 ms 596 KB Output is correct
8 Correct 4 ms 604 KB Output is correct
9 Correct 4 ms 604 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 7 ms 712 KB Output is correct
12 Correct 7 ms 604 KB Output is correct
13 Correct 4 ms 604 KB Output is correct
14 Correct 4 ms 604 KB Output is correct
15 Correct 4 ms 348 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 5 ms 604 KB Output is correct
18 Correct 4 ms 776 KB Output is correct
19 Correct 4 ms 604 KB Output is correct
20 Correct 4 ms 604 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 513 ms 4484 KB Output is correct
2 Correct 511 ms 4620 KB Output is correct
3 Correct 501 ms 4500 KB Output is correct
4 Correct 528 ms 4856 KB Output is correct
5 Correct 856 ms 7604 KB Output is correct
6 Correct 891 ms 7860 KB Output is correct
7 Correct 512 ms 4620 KB Output is correct
8 Correct 499 ms 4360 KB Output is correct
9 Correct 490 ms 4484 KB Output is correct
10 Correct 269 ms 2192 KB Output is correct
11 Correct 300 ms 2704 KB Output is correct
12 Correct 631 ms 6148 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 748 KB Output is correct
2 Correct 49 ms 852 KB Output is correct
3 Correct 53 ms 848 KB Output is correct
4 Correct 55 ms 852 KB Output is correct
5 Correct 663 ms 6268 KB Output is correct
6 Correct 569 ms 5504 KB Output is correct
7 Correct 647 ms 5540 KB Output is correct
8 Correct 903 ms 7444 KB Output is correct
9 Correct 935 ms 7260 KB Output is correct
10 Correct 771 ms 5404 KB Output is correct
11 Correct 97 ms 1180 KB Output is correct
12 Correct 771 ms 6096 KB Output is correct
13 Correct 681 ms 5128 KB Output is correct
14 Correct 397 ms 2960 KB Output is correct
15 Correct 354 ms 2640 KB Output is correct
16 Correct 251 ms 1876 KB Output is correct
17 Correct 549 ms 4532 KB Output is correct
18 Correct 523 ms 4484 KB Output is correct
19 Correct 532 ms 4520 KB Output is correct
20 Correct 524 ms 4512 KB Output is correct
21 Correct 122 ms 1136 KB Output is correct
22 Correct 515 ms 3424 KB Output is correct
23 Correct 601 ms 4320 KB Output is correct
24 Correct 506 ms 3644 KB Output is correct
25 Correct 50 ms 852 KB Output is correct
26 Correct 48 ms 860 KB Output is correct
27 Correct 56 ms 904 KB Output is correct
28 Correct 52 ms 760 KB Output is correct
29 Correct 661 ms 4696 KB Output is correct
30 Correct 645 ms 4668 KB Output is correct
31 Correct 869 ms 7340 KB Output is correct
32 Correct 747 ms 5324 KB Output is correct
33 Correct 671 ms 5132 KB Output is correct
34 Correct 327 ms 2696 KB Output is correct
35 Correct 581 ms 4256 KB Output is correct
36 Correct 700 ms 5232 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 848 KB Output is correct
2 Correct 50 ms 852 KB Output is correct
3 Correct 50 ms 712 KB Output is correct
4 Correct 52 ms 852 KB Output is correct
5 Correct 705 ms 6376 KB Output is correct
6 Correct 281 ms 1876 KB Output is correct
7 Correct 752 ms 6796 KB Output is correct
8 Correct 305 ms 2708 KB Output is correct
9 Correct 469 ms 3236 KB Output is correct
10 Correct 785 ms 6400 KB Output is correct
11 Correct 236 ms 2172 KB Output is correct
12 Correct 901 ms 7504 KB Output is correct
13 Correct 672 ms 4808 KB Output is correct
14 Correct 420 ms 2956 KB Output is correct
15 Correct 893 ms 7208 KB Output is correct
16 Correct 742 ms 5380 KB Output is correct
17 Correct 501 ms 4632 KB Output is correct
18 Correct 516 ms 4500 KB Output is correct
19 Correct 503 ms 4480 KB Output is correct
20 Correct 521 ms 4612 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 4 ms 348 KB Output is correct
4 Correct 3 ms 552 KB Output is correct
5 Correct 4 ms 604 KB Output is correct
6 Correct 5 ms 604 KB Output is correct
7 Correct 4 ms 596 KB Output is correct
8 Correct 4 ms 604 KB Output is correct
9 Correct 4 ms 604 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 7 ms 712 KB Output is correct
12 Correct 7 ms 604 KB Output is correct
13 Correct 4 ms 604 KB Output is correct
14 Correct 4 ms 604 KB Output is correct
15 Correct 4 ms 348 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 5 ms 604 KB Output is correct
18 Correct 4 ms 776 KB Output is correct
19 Correct 4 ms 604 KB Output is correct
20 Correct 4 ms 604 KB Output is correct
21 Correct 513 ms 4484 KB Output is correct
22 Correct 511 ms 4620 KB Output is correct
23 Correct 501 ms 4500 KB Output is correct
24 Correct 528 ms 4856 KB Output is correct
25 Correct 856 ms 7604 KB Output is correct
26 Correct 891 ms 7860 KB Output is correct
27 Correct 512 ms 4620 KB Output is correct
28 Correct 499 ms 4360 KB Output is correct
29 Correct 490 ms 4484 KB Output is correct
30 Correct 269 ms 2192 KB Output is correct
31 Correct 300 ms 2704 KB Output is correct
32 Correct 631 ms 6148 KB Output is correct
33 Correct 55 ms 848 KB Output is correct
34 Correct 50 ms 852 KB Output is correct
35 Correct 50 ms 712 KB Output is correct
36 Correct 52 ms 852 KB Output is correct
37 Correct 705 ms 6376 KB Output is correct
38 Correct 281 ms 1876 KB Output is correct
39 Correct 752 ms 6796 KB Output is correct
40 Correct 305 ms 2708 KB Output is correct
41 Correct 469 ms 3236 KB Output is correct
42 Correct 785 ms 6400 KB Output is correct
43 Correct 236 ms 2172 KB Output is correct
44 Correct 901 ms 7504 KB Output is correct
45 Correct 672 ms 4808 KB Output is correct
46 Correct 420 ms 2956 KB Output is correct
47 Correct 893 ms 7208 KB Output is correct
48 Correct 742 ms 5380 KB Output is correct
49 Correct 501 ms 4632 KB Output is correct
50 Correct 516 ms 4500 KB Output is correct
51 Correct 503 ms 4480 KB Output is correct
52 Correct 521 ms 4612 KB Output is correct
53 Correct 55 ms 852 KB Output is correct
54 Correct 54 ms 848 KB Output is correct
55 Correct 56 ms 848 KB Output is correct
56 Correct 64 ms 684 KB Output is correct
57 Correct 391 ms 3232 KB Output is correct
58 Correct 165 ms 1556 KB Output is correct
59 Correct 548 ms 5300 KB Output is correct
60 Correct 210 ms 1396 KB Output is correct
61 Correct 691 ms 4996 KB Output is correct
62 Correct 863 ms 7004 KB Output is correct
63 Correct 888 ms 7580 KB Output is correct
64 Correct 881 ms 6912 KB Output is correct
65 Correct 299 ms 2184 KB Output is correct
66 Correct 256 ms 1912 KB Output is correct
67 Correct 746 ms 5440 KB Output is correct
68 Correct 596 ms 4488 KB Output is correct
69 Correct 502 ms 4408 KB Output is correct
70 Correct 500 ms 4488 KB Output is correct
71 Correct 525 ms 4360 KB Output is correct
72 Correct 504 ms 4472 KB Output is correct
73 Correct 353 ms 2640 KB Output is correct
74 Correct 597 ms 4364 KB Output is correct
75 Correct 933 ms 7884 KB Output is correct
76 Correct 889 ms 7716 KB Output is correct
77 Correct 60 ms 736 KB Output is correct
78 Correct 58 ms 860 KB Output is correct
79 Correct 53 ms 800 KB Output is correct
80 Correct 52 ms 1108 KB Output is correct
81 Correct 573 ms 3848 KB Output is correct
82 Correct 351 ms 2612 KB Output is correct
83 Correct 219 ms 1644 KB Output is correct
84 Correct 587 ms 4248 KB Output is correct
85 Correct 728 ms 5600 KB Output is correct
86 Correct 753 ms 6136 KB Output is correct
87 Correct 473 ms 3324 KB Output is correct
88 Correct 232 ms 2124 KB Output is correct

Subtask #6
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 4 ms 348 KB Output is correct
4 Correct 3 ms 552 KB Output is correct
5 Correct 4 ms 604 KB Output is correct
6 Correct 5 ms 604 KB Output is correct
7 Correct 4 ms 596 KB Output is correct
8 Correct 4 ms 604 KB Output is correct
9 Correct 4 ms 604 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 7 ms 712 KB Output is correct
12 Correct 7 ms 604 KB Output is correct
13 Correct 4 ms 604 KB Output is correct
14 Correct 4 ms 604 KB Output is correct
15 Correct 4 ms 348 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 5 ms 604 KB Output is correct
18 Correct 4 ms 776 KB Output is correct
19 Correct 4 ms 604 KB Output is correct
20 Correct 4 ms 604 KB Output is correct
21 Correct 513 ms 4484 KB Output is correct
22 Correct 511 ms 4620 KB Output is correct
23 Correct 501 ms 4500 KB Output is correct
24 Correct 528 ms 4856 KB Output is correct
25 Correct 856 ms 7604 KB Output is correct
26 Correct 891 ms 7860 KB Output is correct
27 Correct 512 ms 4620 KB Output is correct
28 Correct 499 ms 4360 KB Output is correct
29 Correct 490 ms 4484 KB Output is correct
30 Correct 269 ms 2192 KB Output is correct
31 Correct 300 ms 2704 KB Output is correct
32 Correct 631 ms 6148 KB Output is correct
33 Correct 50 ms 748 KB Output is correct
34 Correct 49 ms 852 KB Output is correct
35 Correct 53 ms 848 KB Output is correct
36 Correct 55 ms 852 KB Output is correct
37 Correct 663 ms 6268 KB Output is correct
38 Correct 569 ms 5504 KB Output is correct
39 Correct 647 ms 5540 KB Output is correct
40 Correct 903 ms 7444 KB Output is correct
41 Correct 935 ms 7260 KB Output is correct
42 Correct 771 ms 5404 KB Output is correct
43 Correct 97 ms 1180 KB Output is correct
44 Correct 771 ms 6096 KB Output is correct
45 Correct 681 ms 5128 KB Output is correct
46 Correct 397 ms 2960 KB Output is correct
47 Correct 354 ms 2640 KB Output is correct
48 Correct 251 ms 1876 KB Output is correct
49 Correct 549 ms 4532 KB Output is correct
50 Correct 523 ms 4484 KB Output is correct
51 Correct 532 ms 4520 KB Output is correct
52 Correct 524 ms 4512 KB Output is correct
53 Correct 122 ms 1136 KB Output is correct
54 Correct 515 ms 3424 KB Output is correct
55 Correct 601 ms 4320 KB Output is correct
56 Correct 506 ms 3644 KB Output is correct
57 Correct 50 ms 852 KB Output is correct
58 Correct 48 ms 860 KB Output is correct
59 Correct 56 ms 904 KB Output is correct
60 Correct 52 ms 760 KB Output is correct
61 Correct 661 ms 4696 KB Output is correct
62 Correct 645 ms 4668 KB Output is correct
63 Correct 869 ms 7340 KB Output is correct
64 Correct 747 ms 5324 KB Output is correct
65 Correct 671 ms 5132 KB Output is correct
66 Correct 327 ms 2696 KB Output is correct
67 Correct 581 ms 4256 KB Output is correct
68 Correct 700 ms 5232 KB Output is correct
69 Correct 55 ms 848 KB Output is correct
70 Correct 50 ms 852 KB Output is correct
71 Correct 50 ms 712 KB Output is correct
72 Correct 52 ms 852 KB Output is correct
73 Correct 705 ms 6376 KB Output is correct
74 Correct 281 ms 1876 KB Output is correct
75 Correct 752 ms 6796 KB Output is correct
76 Correct 305 ms 2708 KB Output is correct
77 Correct 469 ms 3236 KB Output is correct
78 Correct 785 ms 6400 KB Output is correct
79 Correct 236 ms 2172 KB Output is correct
80 Correct 901 ms 7504 KB Output is correct
81 Correct 672 ms 4808 KB Output is correct
82 Correct 420 ms 2956 KB Output is correct
83 Correct 893 ms 7208 KB Output is correct
84 Correct 742 ms 5380 KB Output is correct
85 Correct 501 ms 4632 KB Output is correct
86 Correct 516 ms 4500 KB Output is correct
87 Correct 503 ms 4480 KB Output is correct
88 Correct 521 ms 4612 KB Output is correct
89 Correct 55 ms 852 KB Output is correct
90 Correct 54 ms 848 KB Output is correct
91 Correct 56 ms 848 KB Output is correct
92 Correct 64 ms 684 KB Output is correct
93 Correct 391 ms 3232 KB Output is correct
94 Correct 165 ms 1556 KB Output is correct
95 Correct 548 ms 5300 KB Output is correct
96 Correct 210 ms 1396 KB Output is correct
97 Correct 691 ms 4996 KB Output is correct
98 Correct 863 ms 7004 KB Output is correct
99 Correct 888 ms 7580 KB Output is correct
100 Correct 881 ms 6912 KB Output is correct
101 Correct 299 ms 2184 KB Output is correct
102 Correct 256 ms 1912 KB Output is correct
103 Correct 746 ms 5440 KB Output is correct
104 Correct 596 ms 4488 KB Output is correct
105 Correct 502 ms 4408 KB Output is correct
106 Correct 500 ms 4488 KB Output is correct
107 Correct 525 ms 4360 KB Output is correct
108 Correct 504 ms 4472 KB Output is correct
109 Correct 353 ms 2640 KB Output is correct
110 Correct 597 ms 4364 KB Output is correct
111 Correct 933 ms 7884 KB Output is correct
112 Correct 889 ms 7716 KB Output is correct
113 Correct 60 ms 736 KB Output is correct
114 Correct 58 ms 860 KB Output is correct
115 Correct 53 ms 800 KB Output is correct
116 Correct 52 ms 1108 KB Output is correct
117 Correct 573 ms 3848 KB Output is correct
118 Correct 351 ms 2612 KB Output is correct
119 Correct 219 ms 1644 KB Output is correct
120 Correct 587 ms 4248 KB Output is correct
121 Correct 728 ms 5600 KB Output is correct
122 Correct 753 ms 6136 KB Output is correct
123 Correct 473 ms 3324 KB Output is correct
124 Correct 232 ms 2124 KB Output is correct
125 Correct 104 ms 1104 KB Output is correct
126 Correct 109 ms 1108 KB Output is correct
127 Correct 121 ms 1104 KB Output is correct
128 Correct 118 ms 1116 KB Output is correct
129 Correct 103 ms 988 KB Output is correct
130 Correct 112 ms 1088 KB Output is correct
131 Correct 689 ms 2716 KB Output is correct
132 Correct 1555 ms 7600 KB Output is correct
133 Correct 2247 ms 10620 KB Output is correct
134 Correct 776 ms 3720 KB Output is correct
135 Correct 2477 ms 11604 KB Output is correct
136 Correct 392 ms 1616 KB Output is correct
137 Correct 3620 ms 14896 KB Output is correct
138 Correct 2611 ms 13448 KB Output is correct
139 Correct 3223 ms 15592 KB Output is correct
140 Correct 3419 ms 17560 KB Output is correct
141 Correct 2891 ms 14508 KB Output is correct
142 Correct 438 ms 6100 KB Output is correct
143 Correct 1106 ms 8544 KB Output is correct
144 Correct 292 ms 5904 KB Output is correct
145 Correct 3527 ms 17312 KB Output is correct
146 Correct 1767 ms 10524 KB Output is correct
147 Correct 1138 ms 8240 KB Output is correct
148 Correct 1014 ms 8020 KB Output is correct
149 Correct 1824 ms 13912 KB Output is correct
150 Correct 2032 ms 13860 KB Output is correct
151 Correct 1953 ms 13908 KB Output is correct
152 Correct 1887 ms 13848 KB Output is correct
153 Correct 1841 ms 14028 KB Output is correct
154 Correct 1872 ms 13744 KB Output is correct
155 Correct 713 ms 7056 KB Output is correct
156 Correct 1277 ms 8448 KB Output is correct
157 Correct 4128 ms 18048 KB Output is correct
158 Correct 4101 ms 17992 KB Output is correct
159 Correct 2982 ms 13588 KB Output is correct
160 Correct 1964 ms 10764 KB Output is correct
161 Correct 120 ms 5276 KB Output is correct
162 Correct 115 ms 5260 KB Output is correct
163 Correct 123 ms 5212 KB Output is correct
164 Correct 163 ms 5612 KB Output is correct
165 Correct 125 ms 5332 KB Output is correct
166 Correct 128 ms 5312 KB Output is correct
167 Correct 3981 ms 18796 KB Output is correct
168 Correct 3844 ms 18944 KB Output is correct
169 Correct 3628 ms 17304 KB Output is correct
170 Correct 3492 ms 16828 KB Output is correct
171 Correct 2899 ms 14508 KB Output is correct
172 Correct 1565 ms 9732 KB Output is correct
173 Correct 3617 ms 18152 KB Output is correct
174 Correct 1701 ms 10092 KB Output is correct
175 Correct 3096 ms 15948 KB Output is correct
176 Correct 1004 ms 7948 KB Output is correct
177 Correct 2705 ms 13332 KB Output is correct
178 Correct 2550 ms 12872 KB Output is correct