oj.uz

Submission #226013

# Submission time Handle Problem Language Result Execution time Memory
226013 2020-04-22T10:27:15 Z emil_physmath Segments (IZhO18_segments) C++17
100 / 100
 1654 ms 8068 KB 
#include <algorithm>
#include <iostream>
#include <stdio.h>
#include <queue>
#include <vector>
#include <set>
using namespace std;
struct Inter { int l, r; };
bool operator<(const Inter& a, const Inter& b) { return a.r - a.l < b.r - b.l; }
const int maxN = 200'000;
const int bl = 1450;

struct
{
    vector<int> ls[maxN / bl], rs[maxN / bl];
    vector<Inter> seg;
    vector<Inter> unProc;
    void add(int l, int r)
    {
        unProc.push_back({l, r});
        if (unProc.size() >= bl)
        {
            // Rebuild.
            vector<Inter> temp; temp.reserve(seg.size() + unProc.size());
            sort(unProc.begin(), unProc.end());
            merge(unProc.begin(), unProc.end(), seg.begin(), seg.end(), back_inserter(temp));
            seg.swap(temp);
            unProc.clear();
            for (int i = 0; i * bl < seg.size(); ++i)
            {
                ls[i].clear();
                rs[i].clear();
            }
            for (int i = 0; i < seg.size(); ++i)
            {
                ls[i / bl].push_back(seg[i].l);
                rs[i / bl].push_back(seg[i].r);
            }
            for (int i = 0; i * bl < seg.size(); ++i)
            {
                sort(ls[i].begin(), ls[i].end());
                sort(rs[i].begin(), rs[i].end());
            }
        }
    }
    int solve(int l, int r, int k)
    {
        if (r - l + 1 < k)
            return 0;
        int ans = 0;
        for (int i = 0; i < seg.size(); i += bl)
        {
            int e = min(i + bl - 1, (int)seg.size() - 1);
            if (seg[i].r - seg[i].l + 1 >= k)
            {
                ans += e - i + 1;
                ans -= lower_bound(rs[i / bl].begin(), rs[i / bl].end(), l + k - 1) - rs[i / bl].begin();
                ans -= ls[i / bl].end() - upper_bound(ls[i / bl].begin(), ls[i / bl].end(), r - (k - 1));
            }
            else if (seg[e].r - seg[e].l + 1 >= k)
                for (int j = i; j <= e; ++j)
                    ans += (min(seg[j].r, r) - max(seg[j].l, l) + 1 >= k);
        }
        for (auto p: unProc)
            if (min(r, p.r) - max(l, p.l) + 1 >= k)
                ++ans;
        return ans;
    }
} exist, del;

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, t;
    cin >> n >> t;
	int prevans = 0;
    vector<Inter> allSegs;
	while (n--)
	{
		int type, l, r, k, id;
		cin >> type;
		if (type == 1)
		{
			cin >> l >> r;
			l = (l ^ (t * prevans));
			r = (r ^ (t * prevans));
			if (l > r) swap(l, r);
            allSegs.push_back({l, r});
			exist.add(l, r);
		}
		else if (type == 2)
		{
			cin >> id; --id;
            del.add(allSegs[id].l, allSegs[id].r);
		}
		else if (type == 3)
		{
			cin >> l >> r >> k;
			l = (l ^ (t * prevans));
			r = (r ^ (t * prevans));
			if (l > r) swap(l, r);
            cout << (prevans = exist.solve(l, r, k) - del.solve(l, r, k)) << '\n';
#ifdef MANSON
            cout << flush;
#endif
		}
	}
}

Compilation message

segments.cpp: In member function 'void<unnamed struct>::add(int, int)':
segments.cpp:29:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int i = 0; i * bl < seg.size(); ++i)
                             ~~~~~~~^~~~~~~~~~~~
segments.cpp:34:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int i = 0; i < seg.size(); ++i)
                             ~~^~~~~~~~~~~~
segments.cpp:39:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int i = 0; i * bl < seg.size(); ++i)
                             ~~~~~~~^~~~~~~~~~~~
segments.cpp: In member function 'int<unnamed struct>::solve(int, int, int)':
segments.cpp:51:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < seg.size(); i += bl)
                         ~~^~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 12 ms 512 KB Output is correct
4 Correct 12 ms 512 KB Output is correct
5 Correct 12 ms 640 KB Output is correct
6 Correct 13 ms 640 KB Output is correct
7 Correct 13 ms 640 KB Output is correct
8 Correct 10 ms 640 KB Output is correct
9 Correct 12 ms 640 KB Output is correct
10 Correct 9 ms 640 KB Output is correct
11 Correct 21 ms 640 KB Output is correct
12 Correct 19 ms 640 KB Output is correct
13 Correct 9 ms 640 KB Output is correct
14 Correct 11 ms 640 KB Output is correct
15 Correct 12 ms 512 KB Output is correct
16 Correct 12 ms 512 KB Output is correct
17 Correct 12 ms 512 KB Output is correct
18 Correct 9 ms 640 KB Output is correct
19 Correct 12 ms 512 KB Output is correct
20 Correct 13 ms 640 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 527 ms 3988 KB Output is correct
2 Correct 507 ms 3356 KB Output is correct
3 Correct 557 ms 3468 KB Output is correct
4 Correct 581 ms 3420 KB Output is correct
5 Correct 472 ms 4784 KB Output is correct
6 Correct 452 ms 4768 KB Output is correct
7 Correct 560 ms 3176 KB Output is correct
8 Correct 526 ms 3212 KB Output is correct
9 Correct 546 ms 3128 KB Output is correct
10 Correct 466 ms 2792 KB Output is correct
11 Correct 540 ms 3020 KB Output is correct
12 Correct 500 ms 3712 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 323 ms 3688 KB Output is correct
2 Correct 324 ms 3180 KB Output is correct
3 Correct 323 ms 3500 KB Output is correct
4 Correct 316 ms 3304 KB Output is correct
5 Correct 460 ms 3980 KB Output is correct
6 Correct 483 ms 3296 KB Output is correct
7 Correct 447 ms 3600 KB Output is correct
8 Correct 455 ms 4700 KB Output is correct
9 Correct 439 ms 4528 KB Output is correct
10 Correct 396 ms 4384 KB Output is correct
11 Correct 332 ms 4108 KB Output is correct
12 Correct 393 ms 4372 KB Output is correct
13 Correct 361 ms 4328 KB Output is correct
14 Correct 321 ms 3952 KB Output is correct
15 Correct 318 ms 3940 KB Output is correct
16 Correct 311 ms 4004 KB Output is correct
17 Correct 437 ms 3084 KB Output is correct
18 Correct 430 ms 3212 KB Output is correct
19 Correct 446 ms 3224 KB Output is correct
20 Correct 435 ms 3360 KB Output is correct
21 Correct 327 ms 3936 KB Output is correct
22 Correct 360 ms 4216 KB Output is correct
23 Correct 374 ms 3980 KB Output is correct
24 Correct 363 ms 4128 KB Output is correct
25 Correct 318 ms 3336 KB Output is correct
26 Correct 328 ms 3324 KB Output is correct
27 Correct 313 ms 3180 KB Output is correct
28 Correct 316 ms 3048 KB Output is correct
29 Correct 376 ms 3948 KB Output is correct
30 Correct 373 ms 3936 KB Output is correct
31 Correct 426 ms 4420 KB Output is correct
32 Correct 390 ms 4148 KB Output is correct
33 Correct 371 ms 4164 KB Output is correct
34 Correct 319 ms 3632 KB Output is correct
35 Correct 345 ms 4180 KB Output is correct
36 Correct 364 ms 4124 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 465 ms 3868 KB Output is correct
2 Correct 454 ms 3692 KB Output is correct
3 Correct 449 ms 3564 KB Output is correct
4 Correct 452 ms 3564 KB Output is correct
5 Correct 466 ms 4388 KB Output is correct
6 Correct 481 ms 2324 KB Output is correct
7 Correct 479 ms 4212 KB Output is correct
8 Correct 431 ms 2548 KB Output is correct
9 Correct 435 ms 4024 KB Output is correct
10 Correct 426 ms 4288 KB Output is correct
11 Correct 453 ms 3848 KB Output is correct
12 Correct 433 ms 4452 KB Output is correct
13 Correct 431 ms 4180 KB Output is correct
14 Correct 436 ms 3864 KB Output is correct
15 Correct 427 ms 4520 KB Output is correct
16 Correct 428 ms 4304 KB Output is correct
17 Correct 516 ms 3144 KB Output is correct
18 Correct 508 ms 3232 KB Output is correct
19 Correct 503 ms 2836 KB Output is correct
20 Correct 495 ms 2828 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 12 ms 512 KB Output is correct
4 Correct 12 ms 512 KB Output is correct
5 Correct 12 ms 640 KB Output is correct
6 Correct 13 ms 640 KB Output is correct
7 Correct 13 ms 640 KB Output is correct
8 Correct 10 ms 640 KB Output is correct
9 Correct 12 ms 640 KB Output is correct
10 Correct 9 ms 640 KB Output is correct
11 Correct 21 ms 640 KB Output is correct
12 Correct 19 ms 640 KB Output is correct
13 Correct 9 ms 640 KB Output is correct
14 Correct 11 ms 640 KB Output is correct
15 Correct 12 ms 512 KB Output is correct
16 Correct 12 ms 512 KB Output is correct
17 Correct 12 ms 512 KB Output is correct
18 Correct 9 ms 640 KB Output is correct
19 Correct 12 ms 512 KB Output is correct
20 Correct 13 ms 640 KB Output is correct
21 Correct 527 ms 3988 KB Output is correct
22 Correct 507 ms 3356 KB Output is correct
23 Correct 557 ms 3468 KB Output is correct
24 Correct 581 ms 3420 KB Output is correct
25 Correct 472 ms 4784 KB Output is correct
26 Correct 452 ms 4768 KB Output is correct
27 Correct 560 ms 3176 KB Output is correct
28 Correct 526 ms 3212 KB Output is correct
29 Correct 546 ms 3128 KB Output is correct
30 Correct 466 ms 2792 KB Output is correct
31 Correct 540 ms 3020 KB Output is correct
32 Correct 500 ms 3712 KB Output is correct
33 Correct 465 ms 3868 KB Output is correct
34 Correct 454 ms 3692 KB Output is correct
35 Correct 449 ms 3564 KB Output is correct
36 Correct 452 ms 3564 KB Output is correct
37 Correct 466 ms 4388 KB Output is correct
38 Correct 481 ms 2324 KB Output is correct
39 Correct 479 ms 4212 KB Output is correct
40 Correct 431 ms 2548 KB Output is correct
41 Correct 435 ms 4024 KB Output is correct
42 Correct 426 ms 4288 KB Output is correct
43 Correct 453 ms 3848 KB Output is correct
44 Correct 433 ms 4452 KB Output is correct
45 Correct 431 ms 4180 KB Output is correct
46 Correct 436 ms 3864 KB Output is correct
47 Correct 427 ms 4520 KB Output is correct
48 Correct 428 ms 4304 KB Output is correct
49 Correct 516 ms 3144 KB Output is correct
50 Correct 508 ms 3232 KB Output is correct
51 Correct 503 ms 2836 KB Output is correct
52 Correct 495 ms 2828 KB Output is correct
53 Correct 457 ms 3052 KB Output is correct
54 Correct 469 ms 2924 KB Output is correct
55 Correct 455 ms 3188 KB Output is correct
56 Correct 453 ms 2920 KB Output is correct
57 Correct 414 ms 2644 KB Output is correct
58 Correct 402 ms 1912 KB Output is correct
59 Correct 480 ms 3196 KB Output is correct
60 Correct 386 ms 1804 KB Output is correct
61 Correct 434 ms 3988 KB Output is correct
62 Correct 431 ms 4408 KB Output is correct
63 Correct 433 ms 4316 KB Output is correct
64 Correct 428 ms 4352 KB Output is correct
65 Correct 449 ms 3384 KB Output is correct
66 Correct 446 ms 3804 KB Output is correct
67 Correct 425 ms 4288 KB Output is correct
68 Correct 436 ms 3912 KB Output is correct
69 Correct 503 ms 2824 KB Output is correct
70 Correct 499 ms 2840 KB Output is correct
71 Correct 508 ms 2836 KB Output is correct
72 Correct 498 ms 2976 KB Output is correct
73 Correct 437 ms 3588 KB Output is correct
74 Correct 436 ms 4144 KB Output is correct
75 Correct 426 ms 4396 KB Output is correct
76 Correct 435 ms 4316 KB Output is correct
77 Correct 455 ms 3312 KB Output is correct
78 Correct 456 ms 3084 KB Output is correct
79 Correct 462 ms 2960 KB Output is correct
80 Correct 452 ms 3076 KB Output is correct
81 Correct 440 ms 3908 KB Output is correct
82 Correct 442 ms 3588 KB Output is correct
83 Correct 449 ms 3684 KB Output is correct
84 Correct 432 ms 3780 KB Output is correct
85 Correct 432 ms 4196 KB Output is correct
86 Correct 431 ms 4268 KB Output is correct
87 Correct 431 ms 3852 KB Output is correct
88 Correct 461 ms 3844 KB Output is correct

Subtask #6
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 12 ms 512 KB Output is correct
4 Correct 12 ms 512 KB Output is correct
5 Correct 12 ms 640 KB Output is correct
6 Correct 13 ms 640 KB Output is correct
7 Correct 13 ms 640 KB Output is correct
8 Correct 10 ms 640 KB Output is correct
9 Correct 12 ms 640 KB Output is correct
10 Correct 9 ms 640 KB Output is correct
11 Correct 21 ms 640 KB Output is correct
12 Correct 19 ms 640 KB Output is correct
13 Correct 9 ms 640 KB Output is correct
14 Correct 11 ms 640 KB Output is correct
15 Correct 12 ms 512 KB Output is correct
16 Correct 12 ms 512 KB Output is correct
17 Correct 12 ms 512 KB Output is correct
18 Correct 9 ms 640 KB Output is correct
19 Correct 12 ms 512 KB Output is correct
20 Correct 13 ms 640 KB Output is correct
21 Correct 527 ms 3988 KB Output is correct
22 Correct 507 ms 3356 KB Output is correct
23 Correct 557 ms 3468 KB Output is correct
24 Correct 581 ms 3420 KB Output is correct
25 Correct 472 ms 4784 KB Output is correct
26 Correct 452 ms 4768 KB Output is correct
27 Correct 560 ms 3176 KB Output is correct
28 Correct 526 ms 3212 KB Output is correct
29 Correct 546 ms 3128 KB Output is correct
30 Correct 466 ms 2792 KB Output is correct
31 Correct 540 ms 3020 KB Output is correct
32 Correct 500 ms 3712 KB Output is correct
33 Correct 323 ms 3688 KB Output is correct
34 Correct 324 ms 3180 KB Output is correct
35 Correct 323 ms 3500 KB Output is correct
36 Correct 316 ms 3304 KB Output is correct
37 Correct 460 ms 3980 KB Output is correct
38 Correct 483 ms 3296 KB Output is correct
39 Correct 447 ms 3600 KB Output is correct
40 Correct 455 ms 4700 KB Output is correct
41 Correct 439 ms 4528 KB Output is correct
42 Correct 396 ms 4384 KB Output is correct
43 Correct 332 ms 4108 KB Output is correct
44 Correct 393 ms 4372 KB Output is correct
45 Correct 361 ms 4328 KB Output is correct
46 Correct 321 ms 3952 KB Output is correct
47 Correct 318 ms 3940 KB Output is correct
48 Correct 311 ms 4004 KB Output is correct
49 Correct 437 ms 3084 KB Output is correct
50 Correct 430 ms 3212 KB Output is correct
51 Correct 446 ms 3224 KB Output is correct
52 Correct 435 ms 3360 KB Output is correct
53 Correct 327 ms 3936 KB Output is correct
54 Correct 360 ms 4216 KB Output is correct
55 Correct 374 ms 3980 KB Output is correct
56 Correct 363 ms 4128 KB Output is correct
57 Correct 318 ms 3336 KB Output is correct
58 Correct 328 ms 3324 KB Output is correct
59 Correct 313 ms 3180 KB Output is correct
60 Correct 316 ms 3048 KB Output is correct
61 Correct 376 ms 3948 KB Output is correct
62 Correct 373 ms 3936 KB Output is correct
63 Correct 426 ms 4420 KB Output is correct
64 Correct 390 ms 4148 KB Output is correct
65 Correct 371 ms 4164 KB Output is correct
66 Correct 319 ms 3632 KB Output is correct
67 Correct 345 ms 4180 KB Output is correct
68 Correct 364 ms 4124 KB Output is correct
69 Correct 465 ms 3868 KB Output is correct
70 Correct 454 ms 3692 KB Output is correct
71 Correct 449 ms 3564 KB Output is correct
72 Correct 452 ms 3564 KB Output is correct
73 Correct 466 ms 4388 KB Output is correct
74 Correct 481 ms 2324 KB Output is correct
75 Correct 479 ms 4212 KB Output is correct
76 Correct 431 ms 2548 KB Output is correct
77 Correct 435 ms 4024 KB Output is correct
78 Correct 426 ms 4288 KB Output is correct
79 Correct 453 ms 3848 KB Output is correct
80 Correct 433 ms 4452 KB Output is correct
81 Correct 431 ms 4180 KB Output is correct
82 Correct 436 ms 3864 KB Output is correct
83 Correct 427 ms 4520 KB Output is correct
84 Correct 428 ms 4304 KB Output is correct
85 Correct 516 ms 3144 KB Output is correct
86 Correct 508 ms 3232 KB Output is correct
87 Correct 503 ms 2836 KB Output is correct
88 Correct 495 ms 2828 KB Output is correct
89 Correct 457 ms 3052 KB Output is correct
90 Correct 469 ms 2924 KB Output is correct
91 Correct 455 ms 3188 KB Output is correct
92 Correct 453 ms 2920 KB Output is correct
93 Correct 414 ms 2644 KB Output is correct
94 Correct 402 ms 1912 KB Output is correct
95 Correct 480 ms 3196 KB Output is correct
96 Correct 386 ms 1804 KB Output is correct
97 Correct 434 ms 3988 KB Output is correct
98 Correct 431 ms 4408 KB Output is correct
99 Correct 433 ms 4316 KB Output is correct
100 Correct 428 ms 4352 KB Output is correct
101 Correct 449 ms 3384 KB Output is correct
102 Correct 446 ms 3804 KB Output is correct
103 Correct 425 ms 4288 KB Output is correct
104 Correct 436 ms 3912 KB Output is correct
105 Correct 503 ms 2824 KB Output is correct
106 Correct 499 ms 2840 KB Output is correct
107 Correct 508 ms 2836 KB Output is correct
108 Correct 498 ms 2976 KB Output is correct
109 Correct 437 ms 3588 KB Output is correct
110 Correct 436 ms 4144 KB Output is correct
111 Correct 426 ms 4396 KB Output is correct
112 Correct 435 ms 4316 KB Output is correct
113 Correct 455 ms 3312 KB Output is correct
114 Correct 456 ms 3084 KB Output is correct
115 Correct 462 ms 2960 KB Output is correct
116 Correct 452 ms 3076 KB Output is correct
117 Correct 440 ms 3908 KB Output is correct
118 Correct 442 ms 3588 KB Output is correct
119 Correct 449 ms 3684 KB Output is correct
120 Correct 432 ms 3780 KB Output is correct
121 Correct 432 ms 4196 KB Output is correct
122 Correct 431 ms 4268 KB Output is correct
123 Correct 431 ms 3852 KB Output is correct
124 Correct 461 ms 3844 KB Output is correct
125 Correct 1244 ms 5476 KB Output is correct
126 Correct 1243 ms 5096 KB Output is correct
127 Correct 1243 ms 4892 KB Output is correct
128 Correct 1226 ms 5148 KB Output is correct
129 Correct 1235 ms 4988 KB Output is correct
130 Correct 1227 ms 4804 KB Output is correct
131 Correct 1153 ms 2952 KB Output is correct
132 Correct 1461 ms 4088 KB Output is correct
133 Correct 1654 ms 5756 KB Output is correct
134 Correct 1158 ms 3152 KB Output is correct
135 Correct 1651 ms 5944 KB Output is correct
136 Correct 847 ms 2168 KB Output is correct
137 Correct 1590 ms 7852 KB Output is correct
138 Correct 1386 ms 7208 KB Output is correct
139 Correct 1469 ms 7512 KB Output is correct
140 Correct 1533 ms 7760 KB Output is correct
141 Correct 1440 ms 7512 KB Output is correct
142 Correct 1261 ms 7652 KB Output is correct
143 Correct 1273 ms 7216 KB Output is correct
144 Correct 1230 ms 8068 KB Output is correct
145 Correct 1533 ms 7676 KB Output is correct
146 Correct 1313 ms 6828 KB Output is correct
147 Correct 1270 ms 7296 KB Output is correct
148 Correct 1259 ms 7320 KB Output is correct
149 Correct 1620 ms 4596 KB Output is correct
150 Correct 1634 ms 4428 KB Output is correct
151 Correct 1614 ms 4532 KB Output is correct
152 Correct 1627 ms 4496 KB Output is correct
153 Correct 1641 ms 4508 KB Output is correct
154 Correct 1626 ms 4712 KB Output is correct
155 Correct 1270 ms 6272 KB Output is correct
156 Correct 1297 ms 6772 KB Output is correct
157 Correct 1551 ms 7532 KB Output is correct
158 Correct 1550 ms 7648 KB Output is correct
159 Correct 1391 ms 7168 KB Output is correct
160 Correct 1321 ms 6908 KB Output is correct
161 Correct 1230 ms 4796 KB Output is correct
162 Correct 1234 ms 4708 KB Output is correct
163 Correct 1221 ms 4828 KB Output is correct
164 Correct 1256 ms 5072 KB Output is correct
165 Correct 1227 ms 4800 KB Output is correct
166 Correct 1239 ms 4948 KB Output is correct
167 Correct 1605 ms 7784 KB Output is correct
168 Correct 1609 ms 7576 KB Output is correct
169 Correct 1541 ms 7300 KB Output is correct
170 Correct 1492 ms 7420 KB Output is correct
171 Correct 1417 ms 6968 KB Output is correct
172 Correct 1304 ms 6368 KB Output is correct
173 Correct 1548 ms 7540 KB Output is correct
174 Correct 1325 ms 6284 KB Output is correct
175 Correct 1440 ms 7168 KB Output is correct
176 Correct 1267 ms 6872 KB Output is correct
177 Correct 1387 ms 6980 KB Output is correct
178 Correct 1386 ms 7296 KB Output is correct