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Submission #682675

# Submission time Handle Problem Language Result Execution time Memory
682675 2023-01-16T18:08:23 Z phoenix Segments (IZhO18_segments) C++17
100 / 100
 2383 ms 15132 KB 
#include<bits/stdc++.h>

using namespace std;

const int N = 200000;
const int B = 1800;

void UGABUGA(bool f) {
    if(!f) {
 
    }
}

struct SQRT {
    struct obj {
        int key;
        int val;
        obj(int key, int val) : key(key), val(val) {}
    };
    bool equal(obj a, obj b) {
        return (a.key == b.key && a.val == b.val);
    }
    vector<obj> arr[N / B + 5];
    vector<int> st[N / B + 5];
    int sz = 0, b_num = 0;
    void add(int key, int val) {
        int block = 0;
        while(block < b_num - 1 && (arr[block].empty() || arr[block].back().key < key)) 
            block++;
        int pos_arr = 0, pos_st = 0;
        for(int i = 0; i < (int)arr[block].size(); i++) {
            if(arr[block][i].key < key || (arr[block][i].key == key && arr[block][i].val < val)) pos_arr++;
            if(st[block][i] < val) pos_st++;
        }
        if(!sz) b_num = 1;
        sz++;
        st[block].insert(st[block].begin() + pos_st, val);
        arr[block].insert(arr[block].begin() + pos_arr, obj(key, val));
    }
    void del(int key, int val) {
        int block = 0;
        while(block < b_num - 1 && (arr[block].empty() || arr[block].back().key < key)) 
            block++;
        int pos_arr = 0, pos_st = 0;
        for(int i = 0; i < (int)arr[block].size(); i++) {
            if(arr[block][i].key < key || (arr[block][i].key == key && arr[block][i].val < val)) pos_arr++;
            if(st[block][i] < val) pos_st++;
        }
        assert(pos_arr < (int)arr[block].size() && equal(arr[block][pos_arr], obj(key, val)));
        // assert(pos_arr < (int)arr[block].size());
        arr[block].erase(arr[block].begin() + pos_arr);
        assert(pos_st < (int)st[block].size() && st[block][pos_st] == val);
        // assert(pos_st < (int)st[block].size());
        st[block].erase(st[block].begin() + pos_st);
        sz--;
        if(!sz) b_num = 0;
    }
    int get(int k, int x) {
        int ans = 0;
        int block_p = b_num - 1;
        while(block_p >= 0 && (arr[block_p].empty() || arr[block_p].front().key >= k)) {
            int lb = -1, rb = arr[block_p].size();
            while(rb - lb > 1) {
                int m = (lb + rb) / 2;
                if(st[block_p][m] < x) lb = m;
                else rb = m;
            }
            ans += lb + 1;
            block_p--;
        }
        if(block_p < 0) return ans;
        int arr_p = arr[block_p].size() - 1;
        while(arr_p >= 0 && arr[block_p][arr_p].key >= k) {
            ans += (arr[block_p][arr_p].val < x);
            arr_p--;
        }
        return ans;
    }
    void normalize() {
        vector<obj> v;
        for(int i = 0; i < b_num; i++) {
            for(obj x : arr[i]) 
                v.push_back(x);
        }
        for(int i = 0; i < sz; i++) {
            if(i % B == 0 && !arr[i / B].empty()) {
                arr[i / B].clear();
                st[i / B].clear();
            }
            arr[i / B].push_back(v[i]);
            st[i / B].push_back(v[i].val);
        }
        b_num = (sz - 1) / B + 1;
        for(int i = 0; i < b_num; i++) 
            sort(st[i].begin(), st[i].end());
    }
};

SQRT ll, rr;
int lastans;

vector<pair<int, int>> v;
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    v.push_back({-1, -1});

    int n, t;
    cin >> n >> t;
    for(int iter = 1; iter <= n; iter++) {
        int type;
        cin >> type;
        if(type == 1) {
            int l, r;
            cin >> l >> r;
            l = (l ^ (t * lastans));
            r = (r ^ (t * lastans));
            if(l > r) swap(l, r);
            v.push_back({l, r});
            int len = r - l + 1;
            ll.add(len, l);
            rr.add(len, r);
        }
        if(type == 2) {
            int id;
            cin >> id;
            ll.del(v[id].second - v[id].first + 1, v[id].first);
            rr.del(v[id].second - v[id].first + 1, v[id].second);
        }
        if(type == 3) {
            int l, r, k;
            cin >> l >> r >> k;
            l = (l ^ (t * lastans));
            r = (r ^ (t * lastans));
            if(l > r) swap(l, r);
            lastans = 0;
            if(r - l + 1 < k) {
                cout << 0 << '\n';
                continue;
            }
            lastans = ll.get(k, r - k + 2) - rr.get(k, l + k - 1);
            cout << lastans << '\n';
        }
        if(iter % B == 0) {
            ll.normalize();
            rr.normalize();
        }
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 21 ms 624 KB Output is correct
6 Correct 20 ms 576 KB Output is correct
7 Correct 8 ms 340 KB Output is correct
8 Correct 19 ms 512 KB Output is correct
9 Correct 19 ms 504 KB Output is correct
10 Correct 22 ms 500 KB Output is correct
11 Correct 15 ms 528 KB Output is correct
12 Correct 16 ms 432 KB Output is correct
13 Correct 24 ms 516 KB Output is correct
14 Correct 19 ms 504 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 3 ms 340 KB Output is correct
17 Correct 13 ms 448 KB Output is correct
18 Correct 24 ms 512 KB Output is correct
19 Correct 14 ms 452 KB Output is correct
20 Correct 17 ms 456 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 703 ms 3540 KB Output is correct
2 Correct 679 ms 3612 KB Output is correct
3 Correct 688 ms 3592 KB Output is correct
4 Correct 763 ms 3744 KB Output is correct
5 Correct 802 ms 5720 KB Output is correct
6 Correct 825 ms 5844 KB Output is correct
7 Correct 697 ms 3664 KB Output is correct
8 Correct 685 ms 3648 KB Output is correct
9 Correct 677 ms 3824 KB Output is correct
10 Correct 443 ms 2184 KB Output is correct
11 Correct 498 ms 2436 KB Output is correct
12 Correct 778 ms 4812 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 1044 KB Output is correct
2 Correct 41 ms 980 KB Output is correct
3 Correct 91 ms 1052 KB Output is correct
4 Correct 47 ms 984 KB Output is correct
5 Correct 832 ms 5040 KB Output is correct
6 Correct 713 ms 4016 KB Output is correct
7 Correct 744 ms 4624 KB Output is correct
8 Correct 781 ms 5844 KB Output is correct
9 Correct 761 ms 5568 KB Output is correct
10 Correct 731 ms 4244 KB Output is correct
11 Correct 319 ms 2504 KB Output is correct
12 Correct 751 ms 6016 KB Output is correct
13 Correct 694 ms 5224 KB Output is correct
14 Correct 531 ms 3756 KB Output is correct
15 Correct 501 ms 3556 KB Output is correct
16 Correct 431 ms 3112 KB Output is correct
17 Correct 650 ms 4796 KB Output is correct
18 Correct 648 ms 4892 KB Output is correct
19 Correct 647 ms 4912 KB Output is correct
20 Correct 656 ms 4948 KB Output is correct
21 Correct 334 ms 2672 KB Output is correct
22 Correct 589 ms 4444 KB Output is correct
23 Correct 663 ms 4892 KB Output is correct
24 Correct 606 ms 4572 KB Output is correct
25 Correct 63 ms 2376 KB Output is correct
26 Correct 49 ms 2264 KB Output is correct
27 Correct 63 ms 2288 KB Output is correct
28 Correct 52 ms 2296 KB Output is correct
29 Correct 681 ms 4940 KB Output is correct
30 Correct 687 ms 4908 KB Output is correct
31 Correct 783 ms 7040 KB Output is correct
32 Correct 739 ms 5376 KB Output is correct
33 Correct 763 ms 5268 KB Output is correct
34 Correct 499 ms 3472 KB Output is correct
35 Correct 707 ms 4804 KB Output is correct
36 Correct 771 ms 5292 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 1024 KB Output is correct
2 Correct 55 ms 996 KB Output is correct
3 Correct 57 ms 1008 KB Output is correct
4 Correct 56 ms 944 KB Output is correct
5 Correct 859 ms 5088 KB Output is correct
6 Correct 393 ms 1764 KB Output is correct
7 Correct 868 ms 5292 KB Output is correct
8 Correct 461 ms 2216 KB Output is correct
9 Correct 647 ms 2888 KB Output is correct
10 Correct 788 ms 7000 KB Output is correct
11 Correct 469 ms 3736 KB Output is correct
12 Correct 806 ms 7972 KB Output is correct
13 Correct 728 ms 5940 KB Output is correct
14 Correct 597 ms 4732 KB Output is correct
15 Correct 809 ms 7776 KB Output is correct
16 Correct 761 ms 6096 KB Output is correct
17 Correct 701 ms 6264 KB Output is correct
18 Correct 705 ms 6272 KB Output is correct
19 Correct 701 ms 6288 KB Output is correct
20 Correct 716 ms 6232 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 21 ms 624 KB Output is correct
6 Correct 20 ms 576 KB Output is correct
7 Correct 8 ms 340 KB Output is correct
8 Correct 19 ms 512 KB Output is correct
9 Correct 19 ms 504 KB Output is correct
10 Correct 22 ms 500 KB Output is correct
11 Correct 15 ms 528 KB Output is correct
12 Correct 16 ms 432 KB Output is correct
13 Correct 24 ms 516 KB Output is correct
14 Correct 19 ms 504 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 3 ms 340 KB Output is correct
17 Correct 13 ms 448 KB Output is correct
18 Correct 24 ms 512 KB Output is correct
19 Correct 14 ms 452 KB Output is correct
20 Correct 17 ms 456 KB Output is correct
21 Correct 703 ms 3540 KB Output is correct
22 Correct 679 ms 3612 KB Output is correct
23 Correct 688 ms 3592 KB Output is correct
24 Correct 763 ms 3744 KB Output is correct
25 Correct 802 ms 5720 KB Output is correct
26 Correct 825 ms 5844 KB Output is correct
27 Correct 697 ms 3664 KB Output is correct
28 Correct 685 ms 3648 KB Output is correct
29 Correct 677 ms 3824 KB Output is correct
30 Correct 443 ms 2184 KB Output is correct
31 Correct 498 ms 2436 KB Output is correct
32 Correct 778 ms 4812 KB Output is correct
33 Correct 59 ms 1024 KB Output is correct
34 Correct 55 ms 996 KB Output is correct
35 Correct 57 ms 1008 KB Output is correct
36 Correct 56 ms 944 KB Output is correct
37 Correct 859 ms 5088 KB Output is correct
38 Correct 393 ms 1764 KB Output is correct
39 Correct 868 ms 5292 KB Output is correct
40 Correct 461 ms 2216 KB Output is correct
41 Correct 647 ms 2888 KB Output is correct
42 Correct 788 ms 7000 KB Output is correct
43 Correct 469 ms 3736 KB Output is correct
44 Correct 806 ms 7972 KB Output is correct
45 Correct 728 ms 5940 KB Output is correct
46 Correct 597 ms 4732 KB Output is correct
47 Correct 809 ms 7776 KB Output is correct
48 Correct 761 ms 6096 KB Output is correct
49 Correct 701 ms 6264 KB Output is correct
50 Correct 705 ms 6272 KB Output is correct
51 Correct 701 ms 6288 KB Output is correct
52 Correct 716 ms 6232 KB Output is correct
53 Correct 64 ms 3040 KB Output is correct
54 Correct 61 ms 3136 KB Output is correct
55 Correct 50 ms 3092 KB Output is correct
56 Correct 48 ms 3124 KB Output is correct
57 Correct 561 ms 5488 KB Output is correct
58 Correct 307 ms 4524 KB Output is correct
59 Correct 769 ms 6688 KB Output is correct
60 Correct 300 ms 4276 KB Output is correct
61 Correct 718 ms 5960 KB Output is correct
62 Correct 783 ms 7560 KB Output is correct
63 Correct 794 ms 7852 KB Output is correct
64 Correct 784 ms 7696 KB Output is correct
65 Correct 579 ms 4152 KB Output is correct
66 Correct 473 ms 3816 KB Output is correct
67 Correct 753 ms 6152 KB Output is correct
68 Correct 702 ms 5552 KB Output is correct
69 Correct 679 ms 6252 KB Output is correct
70 Correct 691 ms 6340 KB Output is correct
71 Correct 718 ms 6272 KB Output is correct
72 Correct 686 ms 6280 KB Output is correct
73 Correct 516 ms 4468 KB Output is correct
74 Correct 652 ms 5612 KB Output is correct
75 Correct 754 ms 8072 KB Output is correct
76 Correct 754 ms 7904 KB Output is correct
77 Correct 55 ms 3016 KB Output is correct
78 Correct 47 ms 3036 KB Output is correct
79 Correct 59 ms 3028 KB Output is correct
80 Correct 49 ms 3140 KB Output is correct
81 Correct 655 ms 5700 KB Output is correct
82 Correct 511 ms 4356 KB Output is correct
83 Correct 431 ms 3680 KB Output is correct
84 Correct 654 ms 5644 KB Output is correct
85 Correct 740 ms 6148 KB Output is correct
86 Correct 758 ms 6764 KB Output is correct
87 Correct 610 ms 4988 KB Output is correct
88 Correct 442 ms 3708 KB Output is correct

Subtask #6
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 21 ms 624 KB Output is correct
6 Correct 20 ms 576 KB Output is correct
7 Correct 8 ms 340 KB Output is correct
8 Correct 19 ms 512 KB Output is correct
9 Correct 19 ms 504 KB Output is correct
10 Correct 22 ms 500 KB Output is correct
11 Correct 15 ms 528 KB Output is correct
12 Correct 16 ms 432 KB Output is correct
13 Correct 24 ms 516 KB Output is correct
14 Correct 19 ms 504 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 3 ms 340 KB Output is correct
17 Correct 13 ms 448 KB Output is correct
18 Correct 24 ms 512 KB Output is correct
19 Correct 14 ms 452 KB Output is correct
20 Correct 17 ms 456 KB Output is correct
21 Correct 703 ms 3540 KB Output is correct
22 Correct 679 ms 3612 KB Output is correct
23 Correct 688 ms 3592 KB Output is correct
24 Correct 763 ms 3744 KB Output is correct
25 Correct 802 ms 5720 KB Output is correct
26 Correct 825 ms 5844 KB Output is correct
27 Correct 697 ms 3664 KB Output is correct
28 Correct 685 ms 3648 KB Output is correct
29 Correct 677 ms 3824 KB Output is correct
30 Correct 443 ms 2184 KB Output is correct
31 Correct 498 ms 2436 KB Output is correct
32 Correct 778 ms 4812 KB Output is correct
33 Correct 59 ms 1044 KB Output is correct
34 Correct 41 ms 980 KB Output is correct
35 Correct 91 ms 1052 KB Output is correct
36 Correct 47 ms 984 KB Output is correct
37 Correct 832 ms 5040 KB Output is correct
38 Correct 713 ms 4016 KB Output is correct
39 Correct 744 ms 4624 KB Output is correct
40 Correct 781 ms 5844 KB Output is correct
41 Correct 761 ms 5568 KB Output is correct
42 Correct 731 ms 4244 KB Output is correct
43 Correct 319 ms 2504 KB Output is correct
44 Correct 751 ms 6016 KB Output is correct
45 Correct 694 ms 5224 KB Output is correct
46 Correct 531 ms 3756 KB Output is correct
47 Correct 501 ms 3556 KB Output is correct
48 Correct 431 ms 3112 KB Output is correct
49 Correct 650 ms 4796 KB Output is correct
50 Correct 648 ms 4892 KB Output is correct
51 Correct 647 ms 4912 KB Output is correct
52 Correct 656 ms 4948 KB Output is correct
53 Correct 334 ms 2672 KB Output is correct
54 Correct 589 ms 4444 KB Output is correct
55 Correct 663 ms 4892 KB Output is correct
56 Correct 606 ms 4572 KB Output is correct
57 Correct 63 ms 2376 KB Output is correct
58 Correct 49 ms 2264 KB Output is correct
59 Correct 63 ms 2288 KB Output is correct
60 Correct 52 ms 2296 KB Output is correct
61 Correct 681 ms 4940 KB Output is correct
62 Correct 687 ms 4908 KB Output is correct
63 Correct 783 ms 7040 KB Output is correct
64 Correct 739 ms 5376 KB Output is correct
65 Correct 763 ms 5268 KB Output is correct
66 Correct 499 ms 3472 KB Output is correct
67 Correct 707 ms 4804 KB Output is correct
68 Correct 771 ms 5292 KB Output is correct
69 Correct 59 ms 1024 KB Output is correct
70 Correct 55 ms 996 KB Output is correct
71 Correct 57 ms 1008 KB Output is correct
72 Correct 56 ms 944 KB Output is correct
73 Correct 859 ms 5088 KB Output is correct
74 Correct 393 ms 1764 KB Output is correct
75 Correct 868 ms 5292 KB Output is correct
76 Correct 461 ms 2216 KB Output is correct
77 Correct 647 ms 2888 KB Output is correct
78 Correct 788 ms 7000 KB Output is correct
79 Correct 469 ms 3736 KB Output is correct
80 Correct 806 ms 7972 KB Output is correct
81 Correct 728 ms 5940 KB Output is correct
82 Correct 597 ms 4732 KB Output is correct
83 Correct 809 ms 7776 KB Output is correct
84 Correct 761 ms 6096 KB Output is correct
85 Correct 701 ms 6264 KB Output is correct
86 Correct 705 ms 6272 KB Output is correct
87 Correct 701 ms 6288 KB Output is correct
88 Correct 716 ms 6232 KB Output is correct
89 Correct 64 ms 3040 KB Output is correct
90 Correct 61 ms 3136 KB Output is correct
91 Correct 50 ms 3092 KB Output is correct
92 Correct 48 ms 3124 KB Output is correct
93 Correct 561 ms 5488 KB Output is correct
94 Correct 307 ms 4524 KB Output is correct
95 Correct 769 ms 6688 KB Output is correct
96 Correct 300 ms 4276 KB Output is correct
97 Correct 718 ms 5960 KB Output is correct
98 Correct 783 ms 7560 KB Output is correct
99 Correct 794 ms 7852 KB Output is correct
100 Correct 784 ms 7696 KB Output is correct
101 Correct 579 ms 4152 KB Output is correct
102 Correct 473 ms 3816 KB Output is correct
103 Correct 753 ms 6152 KB Output is correct
104 Correct 702 ms 5552 KB Output is correct
105 Correct 679 ms 6252 KB Output is correct
106 Correct 691 ms 6340 KB Output is correct
107 Correct 718 ms 6272 KB Output is correct
108 Correct 686 ms 6280 KB Output is correct
109 Correct 516 ms 4468 KB Output is correct
110 Correct 652 ms 5612 KB Output is correct
111 Correct 754 ms 8072 KB Output is correct
112 Correct 754 ms 7904 KB Output is correct
113 Correct 55 ms 3016 KB Output is correct
114 Correct 47 ms 3036 KB Output is correct
115 Correct 59 ms 3028 KB Output is correct
116 Correct 49 ms 3140 KB Output is correct
117 Correct 655 ms 5700 KB Output is correct
118 Correct 511 ms 4356 KB Output is correct
119 Correct 431 ms 3680 KB Output is correct
120 Correct 654 ms 5644 KB Output is correct
121 Correct 740 ms 6148 KB Output is correct
122 Correct 758 ms 6764 KB Output is correct
123 Correct 610 ms 4988 KB Output is correct
124 Correct 442 ms 3708 KB Output is correct
125 Correct 113 ms 5824 KB Output is correct
126 Correct 121 ms 5768 KB Output is correct
127 Correct 185 ms 5856 KB Output is correct
128 Correct 131 ms 5716 KB Output is correct
129 Correct 102 ms 5708 KB Output is correct
130 Correct 143 ms 5804 KB Output is correct
131 Correct 824 ms 8752 KB Output is correct
132 Correct 2016 ms 11584 KB Output is correct
133 Correct 2363 ms 12832 KB Output is correct
134 Correct 1099 ms 9280 KB Output is correct
135 Correct 2383 ms 14280 KB Output is correct
136 Correct 449 ms 7624 KB Output is correct
137 Correct 2240 ms 15028 KB Output is correct
138 Correct 1969 ms 10944 KB Output is correct
139 Correct 2177 ms 13392 KB Output is correct
140 Correct 2213 ms 14340 KB Output is correct
141 Correct 2104 ms 11716 KB Output is correct
142 Correct 848 ms 6252 KB Output is correct
143 Correct 1294 ms 7860 KB Output is correct
144 Correct 779 ms 6080 KB Output is correct
145 Correct 2244 ms 14320 KB Output is correct
146 Correct 1670 ms 9400 KB Output is correct
147 Correct 1311 ms 7792 KB Output is correct
148 Correct 1231 ms 7700 KB Output is correct
149 Correct 2140 ms 11864 KB Output is correct
150 Correct 2140 ms 11932 KB Output is correct
151 Correct 2174 ms 11936 KB Output is correct
152 Correct 2152 ms 11928 KB Output is correct
153 Correct 2190 ms 11960 KB Output is correct
154 Correct 2118 ms 11856 KB Output is correct
155 Correct 987 ms 6964 KB Output is correct
156 Correct 1329 ms 7896 KB Output is correct
157 Correct 2209 ms 14664 KB Output is correct
158 Correct 2214 ms 14772 KB Output is correct
159 Correct 2021 ms 11172 KB Output is correct
160 Correct 1705 ms 9648 KB Output is correct
161 Correct 169 ms 5840 KB Output is correct
162 Correct 155 ms 5732 KB Output is correct
163 Correct 143 ms 5776 KB Output is correct
164 Correct 340 ms 5864 KB Output is correct
165 Correct 173 ms 5852 KB Output is correct
166 Correct 138 ms 5828 KB Output is correct
167 Correct 2212 ms 15132 KB Output is correct
168 Correct 2204 ms 14968 KB Output is correct
169 Correct 2243 ms 14500 KB Output is correct
170 Correct 2234 ms 13924 KB Output is correct
171 Correct 2142 ms 11892 KB Output is correct
172 Correct 1524 ms 8672 KB Output is correct
173 Correct 2255 ms 14444 KB Output is correct
174 Correct 1628 ms 8764 KB Output is correct
175 Correct 2213 ms 13020 KB Output is correct
176 Correct 1260 ms 7520 KB Output is correct
177 Correct 2054 ms 11096 KB Output is correct
178 Correct 1991 ms 10948 KB Output is correct