oj.uz

Submission #180270

# Submission time Handle Problem Language Result Execution time Memory
180270 2020-01-08T14:07:12 Z srvlt Segments (IZhO18_segments) C++14
100 / 100
 4098 ms 8992 KB 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ordered_set tree <pair <int, int>, null_type, less <pair <int, int> >, rb_tree_tag, tree_order_statistics_node_update>
using namespace __gnu_pbds;

#define ll long long
#define db double
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define mp make_pair
#define size(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()

#define endl "\n"
//#define int long long

using namespace std;

void dout() {
    cerr << endl;
}
template <typename Head, typename... Tail>
void dout(Head H, Tail... T) {
    cerr << H << ' ';
    dout(T...);
}

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef pair <int, int> pii;

const int N = 200003, K = 1877;
int n, t, modify, m, cnt;
pii seg[N];
vector <int> tmp;

bool cur[N];
int arr[N];

bool cmp(const int & a, const int & b) {
    return seg[a].fi < seg[b].fi;
}

vector <int> vec1[N / K + 1], vec2[N / K + 1];

void rebuild() {
    for (auto i : tmp) {
        if (i < 0) {
            cur[-i] = false;
        }   else {
            cur[i] = true;
        }
    }
    tmp = {};
    for (int i = 0; i < cnt; i++) {
        arr[i] = 0;
    }
    cnt = 0;
    for (int i = 1; i <= m; i++) {
        if (cur[i]) {
            arr[cnt] = i;
            cnt++;
        }
    }
    sort(arr, arr + cnt, cmp);
    int b = (cnt - 1) / K + 1;
    for (int i = 0; i < b; i++) {
        vec1[i] = {};
        vec2[i] = {};
    }
    for (int i = 0; i < cnt; i++) {
        vec1[i / K].pb(seg[arr[i]].se);
        vec2[i / K].pb(seg[arr[i]].se - seg[arr[i]].fi);
    }
    for (int i = 0; i < b; i++) {
        sort(all(vec1[i]));
        sort(all(vec2[i]));
    }
}

int query(int l, int r, int k) {
    if (r - l < k) {
        return 0;
    }
    int i = 0, res = 0;
    while (i < cnt) {
        if (seg[arr[i]].fi > r - k) {
            break;
        }
        if (i % K == 0 && seg[arr[min(cnt - 1, i + K - 1)]].fi < l) {
            i += K;
            continue;
        }
        if (seg[arr[i]].fi < l) {
            i++;
            continue;
        }
        if (i % K == 0 && seg[arr[min(cnt - 1, i + K - 1)]].fi <= r - k) {
            int num = i / K;
            res += size(vec2[num]) - (lower_bound(all(vec2[num]), k) - vec2[num].begin());
            i += K;
        }   else {
            res += (seg[arr[i]].se - seg[arr[i]].fi >= k);
            i++;
        }
    }
    i = 0;
    while (i < cnt) {
        if (seg[arr[i]].fi >= l) {
            break;
        }
        if (i % K == 0 && seg[arr[min(cnt - 1, i + K - 1)]].fi < l) {
            int num = i / K;
            res += size(vec1[num]) - (lower_bound(all(vec1[num]), l + k) - vec1[num].begin());
            i += K;
        }   else {
            res += (seg[arr[i]].se >= l + k);
            i++;
        }
    }
    int L, R;
    for (auto i : tmp) {
        if (i < 0) {
            L = seg[-i].fi, R = seg[-i].se;
            res -= (L >= l && L <= r - k && R - L >= k) + (L < l && R >= l + k);
        }   else {
            L = seg[i].fi, R = seg[i].se;
            res += (L >= l && L <= r - k && R - L >= k) + (L < l && R >= l + k);
        }
    }
    return res;
}

void solve(int tc) {
    // check for (int i = 0; i < n; j++)
    cin >> n >> t;
    int tp, id, a, b, k, last = -1;
    for (int i = 0; i < n; i++) {
        cin >> tp;
        if (tp == 1) {
            cin >> a >> b;
            if (last != -1 && t == 1) {
                a ^= last;
                b ^= last;
            }
            if (a > b) {
                swap(a, b);
            }
            b++;
            m++;
            seg[m] = {a, b};
            tmp.pb(m);

            modify++;
        }   else if (tp == 2) {
            cin >> id;
            tmp.pb(-id);

            modify++;
        }   else {
            cin >> a >> b >> k;
            if (last != -1 && t == 1) {
                a ^= last;
                b ^= last;
            }
            if (a > b) {
                swap(a, b);
            }
            b++;
            last = query(a, b, k);
            cout << last << endl;
        }
        if (modify == K) {
            rebuild();
            modify = 0;
        }
    }
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);
    int tc = 1;
//    cin >> tc;
    for (int i = 0; i < tc; i++) {
        solve(i);
//        cleanup();
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 17 ms 376 KB Output is correct
4 Correct 16 ms 376 KB Output is correct
5 Correct 13 ms 504 KB Output is correct
6 Correct 13 ms 504 KB Output is correct
7 Correct 18 ms 376 KB Output is correct
8 Correct 14 ms 376 KB Output is correct
9 Correct 15 ms 376 KB Output is correct
10 Correct 7 ms 504 KB Output is correct
11 Correct 27 ms 376 KB Output is correct
12 Correct 27 ms 376 KB Output is correct
13 Correct 7 ms 504 KB Output is correct
14 Correct 16 ms 380 KB Output is correct
15 Correct 17 ms 376 KB Output is correct
16 Correct 17 ms 504 KB Output is correct
17 Correct 20 ms 504 KB Output is correct
18 Correct 9 ms 504 KB Output is correct
19 Correct 18 ms 376 KB Output is correct
20 Correct 18 ms 504 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1512 ms 2800 KB Output is correct
2 Correct 1492 ms 4584 KB Output is correct
3 Correct 1491 ms 4484 KB Output is correct
4 Correct 1236 ms 4600 KB Output is correct
5 Correct 841 ms 4956 KB Output is correct
6 Correct 809 ms 4920 KB Output is correct
7 Correct 1501 ms 4600 KB Output is correct
8 Correct 1461 ms 4640 KB Output is correct
9 Correct 1482 ms 4688 KB Output is correct
10 Correct 1250 ms 4304 KB Output is correct
11 Correct 1444 ms 4384 KB Output is correct
12 Correct 1149 ms 4676 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 353 ms 840 KB Output is correct
2 Correct 340 ms 920 KB Output is correct
3 Correct 377 ms 992 KB Output is correct
4 Correct 345 ms 908 KB Output is correct
5 Correct 1078 ms 2424 KB Output is correct
6 Correct 1246 ms 4356 KB Output is correct
7 Correct 1473 ms 4344 KB Output is correct
8 Correct 847 ms 4812 KB Output is correct
9 Correct 837 ms 4648 KB Output is correct
10 Correct 936 ms 4088 KB Output is correct
11 Correct 632 ms 2996 KB Output is correct
12 Correct 937 ms 4232 KB Output is correct
13 Correct 899 ms 4188 KB Output is correct
14 Correct 817 ms 3320 KB Output is correct
15 Correct 809 ms 3452 KB Output is correct
16 Correct 709 ms 3192 KB Output is correct
17 Correct 1601 ms 4216 KB Output is correct
18 Correct 1597 ms 4344 KB Output is correct
19 Correct 1589 ms 4216 KB Output is correct
20 Correct 1564 ms 4248 KB Output is correct
21 Correct 678 ms 2828 KB Output is correct
22 Correct 966 ms 3688 KB Output is correct
23 Correct 986 ms 4024 KB Output is correct
24 Correct 951 ms 3576 KB Output is correct
25 Correct 359 ms 2680 KB Output is correct
26 Correct 341 ms 2764 KB Output is correct
27 Correct 356 ms 2680 KB Output is correct
28 Correct 345 ms 2552 KB Output is correct
29 Correct 954 ms 4100 KB Output is correct
30 Correct 948 ms 3832 KB Output is correct
31 Correct 821 ms 4856 KB Output is correct
32 Correct 944 ms 4244 KB Output is correct
33 Correct 890 ms 4088 KB Output is correct
34 Correct 766 ms 3192 KB Output is correct
35 Correct 876 ms 3848 KB Output is correct
36 Correct 877 ms 4112 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 326 ms 764 KB Output is correct
2 Correct 328 ms 756 KB Output is correct
3 Correct 333 ms 888 KB Output is correct
4 Correct 336 ms 760 KB Output is correct
5 Correct 939 ms 2424 KB Output is correct
6 Correct 1203 ms 4244 KB Output is correct
7 Correct 975 ms 4756 KB Output is correct
8 Correct 931 ms 4424 KB Output is correct
9 Correct 896 ms 3832 KB Output is correct
10 Correct 933 ms 4484 KB Output is correct
11 Correct 740 ms 3292 KB Output is correct
12 Correct 799 ms 4728 KB Output is correct
13 Correct 876 ms 4088 KB Output is correct
14 Correct 795 ms 3736 KB Output is correct
15 Correct 832 ms 4600 KB Output is correct
16 Correct 901 ms 4120 KB Output is correct
17 Correct 1498 ms 4528 KB Output is correct
18 Correct 1458 ms 4460 KB Output is correct
19 Correct 1483 ms 4584 KB Output is correct
20 Correct 1501 ms 4636 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 17 ms 376 KB Output is correct
4 Correct 16 ms 376 KB Output is correct
5 Correct 13 ms 504 KB Output is correct
6 Correct 13 ms 504 KB Output is correct
7 Correct 18 ms 376 KB Output is correct
8 Correct 14 ms 376 KB Output is correct
9 Correct 15 ms 376 KB Output is correct
10 Correct 7 ms 504 KB Output is correct
11 Correct 27 ms 376 KB Output is correct
12 Correct 27 ms 376 KB Output is correct
13 Correct 7 ms 504 KB Output is correct
14 Correct 16 ms 380 KB Output is correct
15 Correct 17 ms 376 KB Output is correct
16 Correct 17 ms 504 KB Output is correct
17 Correct 20 ms 504 KB Output is correct
18 Correct 9 ms 504 KB Output is correct
19 Correct 18 ms 376 KB Output is correct
20 Correct 18 ms 504 KB Output is correct
21 Correct 1512 ms 2800 KB Output is correct
22 Correct 1492 ms 4584 KB Output is correct
23 Correct 1491 ms 4484 KB Output is correct
24 Correct 1236 ms 4600 KB Output is correct
25 Correct 841 ms 4956 KB Output is correct
26 Correct 809 ms 4920 KB Output is correct
27 Correct 1501 ms 4600 KB Output is correct
28 Correct 1461 ms 4640 KB Output is correct
29 Correct 1482 ms 4688 KB Output is correct
30 Correct 1250 ms 4304 KB Output is correct
31 Correct 1444 ms 4384 KB Output is correct
32 Correct 1149 ms 4676 KB Output is correct
33 Correct 326 ms 764 KB Output is correct
34 Correct 328 ms 756 KB Output is correct
35 Correct 333 ms 888 KB Output is correct
36 Correct 336 ms 760 KB Output is correct
37 Correct 939 ms 2424 KB Output is correct
38 Correct 1203 ms 4244 KB Output is correct
39 Correct 975 ms 4756 KB Output is correct
40 Correct 931 ms 4424 KB Output is correct
41 Correct 896 ms 3832 KB Output is correct
42 Correct 933 ms 4484 KB Output is correct
43 Correct 740 ms 3292 KB Output is correct
44 Correct 799 ms 4728 KB Output is correct
45 Correct 876 ms 4088 KB Output is correct
46 Correct 795 ms 3736 KB Output is correct
47 Correct 832 ms 4600 KB Output is correct
48 Correct 901 ms 4120 KB Output is correct
49 Correct 1498 ms 4528 KB Output is correct
50 Correct 1458 ms 4460 KB Output is correct
51 Correct 1483 ms 4584 KB Output is correct
52 Correct 1501 ms 4636 KB Output is correct
53 Correct 336 ms 2988 KB Output is correct
54 Correct 339 ms 3012 KB Output is correct
55 Correct 330 ms 2808 KB Output is correct
56 Correct 330 ms 2808 KB Output is correct
57 Correct 1853 ms 4356 KB Output is correct
58 Correct 1631 ms 4248 KB Output is correct
59 Correct 1346 ms 4588 KB Output is correct
60 Correct 1754 ms 4044 KB Output is correct
61 Correct 918 ms 4044 KB Output is correct
62 Correct 843 ms 4656 KB Output is correct
63 Correct 822 ms 4636 KB Output is correct
64 Correct 840 ms 4628 KB Output is correct
65 Correct 725 ms 3320 KB Output is correct
66 Correct 687 ms 3320 KB Output is correct
67 Correct 870 ms 4072 KB Output is correct
68 Correct 876 ms 3980 KB Output is correct
69 Correct 1538 ms 4604 KB Output is correct
70 Correct 1503 ms 4600 KB Output is correct
71 Correct 1490 ms 4600 KB Output is correct
72 Correct 1500 ms 4640 KB Output is correct
73 Correct 830 ms 3448 KB Output is correct
74 Correct 919 ms 4088 KB Output is correct
75 Correct 768 ms 4764 KB Output is correct
76 Correct 825 ms 4776 KB Output is correct
77 Correct 332 ms 2936 KB Output is correct
78 Correct 336 ms 2936 KB Output is correct
79 Correct 338 ms 2936 KB Output is correct
80 Correct 328 ms 2908 KB Output is correct
81 Correct 927 ms 3828 KB Output is correct
82 Correct 825 ms 3500 KB Output is correct
83 Correct 702 ms 3324 KB Output is correct
84 Correct 908 ms 3968 KB Output is correct
85 Correct 886 ms 4344 KB Output is correct
86 Correct 895 ms 4304 KB Output is correct
87 Correct 827 ms 3704 KB Output is correct
88 Correct 654 ms 3320 KB Output is correct

Subtask #6
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 17 ms 376 KB Output is correct
4 Correct 16 ms 376 KB Output is correct
5 Correct 13 ms 504 KB Output is correct
6 Correct 13 ms 504 KB Output is correct
7 Correct 18 ms 376 KB Output is correct
8 Correct 14 ms 376 KB Output is correct
9 Correct 15 ms 376 KB Output is correct
10 Correct 7 ms 504 KB Output is correct
11 Correct 27 ms 376 KB Output is correct
12 Correct 27 ms 376 KB Output is correct
13 Correct 7 ms 504 KB Output is correct
14 Correct 16 ms 380 KB Output is correct
15 Correct 17 ms 376 KB Output is correct
16 Correct 17 ms 504 KB Output is correct
17 Correct 20 ms 504 KB Output is correct
18 Correct 9 ms 504 KB Output is correct
19 Correct 18 ms 376 KB Output is correct
20 Correct 18 ms 504 KB Output is correct
21 Correct 1512 ms 2800 KB Output is correct
22 Correct 1492 ms 4584 KB Output is correct
23 Correct 1491 ms 4484 KB Output is correct
24 Correct 1236 ms 4600 KB Output is correct
25 Correct 841 ms 4956 KB Output is correct
26 Correct 809 ms 4920 KB Output is correct
27 Correct 1501 ms 4600 KB Output is correct
28 Correct 1461 ms 4640 KB Output is correct
29 Correct 1482 ms 4688 KB Output is correct
30 Correct 1250 ms 4304 KB Output is correct
31 Correct 1444 ms 4384 KB Output is correct
32 Correct 1149 ms 4676 KB Output is correct
33 Correct 353 ms 840 KB Output is correct
34 Correct 340 ms 920 KB Output is correct
35 Correct 377 ms 992 KB Output is correct
36 Correct 345 ms 908 KB Output is correct
37 Correct 1078 ms 2424 KB Output is correct
38 Correct 1246 ms 4356 KB Output is correct
39 Correct 1473 ms 4344 KB Output is correct
40 Correct 847 ms 4812 KB Output is correct
41 Correct 837 ms 4648 KB Output is correct
42 Correct 936 ms 4088 KB Output is correct
43 Correct 632 ms 2996 KB Output is correct
44 Correct 937 ms 4232 KB Output is correct
45 Correct 899 ms 4188 KB Output is correct
46 Correct 817 ms 3320 KB Output is correct
47 Correct 809 ms 3452 KB Output is correct
48 Correct 709 ms 3192 KB Output is correct
49 Correct 1601 ms 4216 KB Output is correct
50 Correct 1597 ms 4344 KB Output is correct
51 Correct 1589 ms 4216 KB Output is correct
52 Correct 1564 ms 4248 KB Output is correct
53 Correct 678 ms 2828 KB Output is correct
54 Correct 966 ms 3688 KB Output is correct
55 Correct 986 ms 4024 KB Output is correct
56 Correct 951 ms 3576 KB Output is correct
57 Correct 359 ms 2680 KB Output is correct
58 Correct 341 ms 2764 KB Output is correct
59 Correct 356 ms 2680 KB Output is correct
60 Correct 345 ms 2552 KB Output is correct
61 Correct 954 ms 4100 KB Output is correct
62 Correct 948 ms 3832 KB Output is correct
63 Correct 821 ms 4856 KB Output is correct
64 Correct 944 ms 4244 KB Output is correct
65 Correct 890 ms 4088 KB Output is correct
66 Correct 766 ms 3192 KB Output is correct
67 Correct 876 ms 3848 KB Output is correct
68 Correct 877 ms 4112 KB Output is correct
69 Correct 326 ms 764 KB Output is correct
70 Correct 328 ms 756 KB Output is correct
71 Correct 333 ms 888 KB Output is correct
72 Correct 336 ms 760 KB Output is correct
73 Correct 939 ms 2424 KB Output is correct
74 Correct 1203 ms 4244 KB Output is correct
75 Correct 975 ms 4756 KB Output is correct
76 Correct 931 ms 4424 KB Output is correct
77 Correct 896 ms 3832 KB Output is correct
78 Correct 933 ms 4484 KB Output is correct
79 Correct 740 ms 3292 KB Output is correct
80 Correct 799 ms 4728 KB Output is correct
81 Correct 876 ms 4088 KB Output is correct
82 Correct 795 ms 3736 KB Output is correct
83 Correct 832 ms 4600 KB Output is correct
84 Correct 901 ms 4120 KB Output is correct
85 Correct 1498 ms 4528 KB Output is correct
86 Correct 1458 ms 4460 KB Output is correct
87 Correct 1483 ms 4584 KB Output is correct
88 Correct 1501 ms 4636 KB Output is correct
89 Correct 336 ms 2988 KB Output is correct
90 Correct 339 ms 3012 KB Output is correct
91 Correct 330 ms 2808 KB Output is correct
92 Correct 330 ms 2808 KB Output is correct
93 Correct 1853 ms 4356 KB Output is correct
94 Correct 1631 ms 4248 KB Output is correct
95 Correct 1346 ms 4588 KB Output is correct
96 Correct 1754 ms 4044 KB Output is correct
97 Correct 918 ms 4044 KB Output is correct
98 Correct 843 ms 4656 KB Output is correct
99 Correct 822 ms 4636 KB Output is correct
100 Correct 840 ms 4628 KB Output is correct
101 Correct 725 ms 3320 KB Output is correct
102 Correct 687 ms 3320 KB Output is correct
103 Correct 870 ms 4072 KB Output is correct
104 Correct 876 ms 3980 KB Output is correct
105 Correct 1538 ms 4604 KB Output is correct
106 Correct 1503 ms 4600 KB Output is correct
107 Correct 1490 ms 4600 KB Output is correct
108 Correct 1500 ms 4640 KB Output is correct
109 Correct 830 ms 3448 KB Output is correct
110 Correct 919 ms 4088 KB Output is correct
111 Correct 768 ms 4764 KB Output is correct
112 Correct 825 ms 4776 KB Output is correct
113 Correct 332 ms 2936 KB Output is correct
114 Correct 336 ms 2936 KB Output is correct
115 Correct 338 ms 2936 KB Output is correct
116 Correct 328 ms 2908 KB Output is correct
117 Correct 927 ms 3828 KB Output is correct
118 Correct 825 ms 3500 KB Output is correct
119 Correct 702 ms 3324 KB Output is correct
120 Correct 908 ms 3968 KB Output is correct
121 Correct 886 ms 4344 KB Output is correct
122 Correct 895 ms 4304 KB Output is correct
123 Correct 827 ms 3704 KB Output is correct
124 Correct 654 ms 3320 KB Output is correct
125 Correct 677 ms 5476 KB Output is correct
126 Correct 672 ms 5340 KB Output is correct
127 Correct 722 ms 5496 KB Output is correct
128 Correct 670 ms 5368 KB Output is correct
129 Correct 670 ms 5368 KB Output is correct
130 Correct 694 ms 5312 KB Output is correct
131 Correct 3453 ms 8012 KB Output is correct
132 Correct 4098 ms 8608 KB Output is correct
133 Correct 3434 ms 8848 KB Output is correct
134 Correct 3372 ms 8292 KB Output is correct
135 Correct 3500 ms 8772 KB Output is correct
136 Correct 3075 ms 7768 KB Output is correct
137 Correct 3218 ms 8872 KB Output is correct
138 Correct 3079 ms 7652 KB Output is correct
139 Correct 3378 ms 8316 KB Output is correct
140 Correct 3244 ms 8484 KB Output is correct
141 Correct 3158 ms 7972 KB Output is correct
142 Correct 1548 ms 5880 KB Output is correct
143 Correct 2037 ms 6452 KB Output is correct
144 Correct 1334 ms 5624 KB Output is correct
145 Correct 3232 ms 8440 KB Output is correct
146 Correct 2536 ms 6848 KB Output is correct
147 Correct 2164 ms 6204 KB Output is correct
148 Correct 2009 ms 6368 KB Output is correct
149 Correct 3460 ms 8580 KB Output is correct
150 Correct 3478 ms 8716 KB Output is correct
151 Correct 3450 ms 8544 KB Output is correct
152 Correct 3487 ms 8744 KB Output is correct
153 Correct 3478 ms 8640 KB Output is correct
154 Correct 3514 ms 8652 KB Output is correct
155 Correct 1872 ms 6032 KB Output is correct
156 Correct 2273 ms 6240 KB Output is correct
157 Correct 3189 ms 8696 KB Output is correct
158 Correct 3184 ms 8912 KB Output is correct
159 Correct 3011 ms 7756 KB Output is correct
160 Correct 2673 ms 6904 KB Output is correct
161 Correct 703 ms 5480 KB Output is correct
162 Correct 691 ms 5496 KB Output is correct
163 Correct 699 ms 5296 KB Output is correct
164 Correct 829 ms 5444 KB Output is correct
165 Correct 712 ms 5332 KB Output is correct
166 Correct 697 ms 5512 KB Output is correct
167 Correct 3216 ms 8992 KB Output is correct
168 Correct 3195 ms 8952 KB Output is correct
169 Correct 3223 ms 8736 KB Output is correct
170 Correct 3215 ms 8380 KB Output is correct
171 Correct 3133 ms 7924 KB Output is correct
172 Correct 2535 ms 6728 KB Output is correct
173 Correct 3230 ms 8628 KB Output is correct
174 Correct 2555 ms 6796 KB Output is correct
175 Correct 3262 ms 8004 KB Output is correct
176 Correct 2029 ms 6280 KB Output is correct
177 Correct 3000 ms 7512 KB Output is correct
178 Correct 2946 ms 7620 KB Output is correct