#include<bits/stdc++.h>
using namespace std;
const int N = 100000;
const int B = 1288;
void UGABUGA(bool f) {
if(!f) 1 / 0;
}
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 + 1].empty() || arr[block + 1].front().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) 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 + 1].empty() || arr[block + 1].front().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) pos_arr++;
if(st[block][i] < val) pos_st++;
}
UGABUGA(pos_arr < (int)arr[block].size() && equal(arr[block][pos_arr], obj(key, val)));
arr[block].erase(arr[block].begin() + pos_arr);
UGABUGA(pos_st < (int)st[block].size() && st[block][pos_st] == val);
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();
}
}
}
Compilation message
segments.cpp: In function 'void UGABUGA(bool)':
segments.cpp:9:14: warning: division by zero [-Wdiv-by-zero]
9 | if(!f) 1 / 0;
| ~~^~~
segments.cpp:9:14: warning: statement has no effect [-Wunused-value]
# |
결과 |
실행 시간 |
메모리 |
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 |
22 ms |
504 KB |
Output is correct |
6 |
Correct |
16 ms |
512 KB |
Output is correct |
7 |
Correct |
7 ms |
340 KB |
Output is correct |
8 |
Correct |
16 ms |
540 KB |
Output is correct |
9 |
Correct |
16 ms |
556 KB |
Output is correct |
10 |
Correct |
19 ms |
596 KB |
Output is correct |
11 |
Correct |
14 ms |
544 KB |
Output is correct |
12 |
Correct |
12 ms |
536 KB |
Output is correct |
13 |
Correct |
17 ms |
492 KB |
Output is correct |
14 |
Correct |
15 ms |
468 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 |
440 KB |
Output is correct |
18 |
Runtime error |
18 ms |
1108 KB |
Execution killed with signal 11 |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
765 ms |
4016 KB |
Output is correct |
2 |
Correct |
739 ms |
3868 KB |
Output is correct |
3 |
Correct |
781 ms |
3980 KB |
Output is correct |
4 |
Correct |
796 ms |
4092 KB |
Output is correct |
5 |
Correct |
867 ms |
6412 KB |
Output is correct |
6 |
Correct |
795 ms |
6652 KB |
Output is correct |
7 |
Correct |
747 ms |
3980 KB |
Output is correct |
8 |
Correct |
763 ms |
3780 KB |
Output is correct |
9 |
Correct |
732 ms |
3892 KB |
Output is correct |
10 |
Correct |
506 ms |
2064 KB |
Output is correct |
11 |
Correct |
568 ms |
2444 KB |
Output is correct |
12 |
Correct |
848 ms |
5324 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
58 ms |
976 KB |
Output is correct |
2 |
Correct |
46 ms |
1024 KB |
Output is correct |
3 |
Correct |
88 ms |
1096 KB |
Output is correct |
4 |
Correct |
48 ms |
984 KB |
Output is correct |
5 |
Correct |
868 ms |
5460 KB |
Output is correct |
6 |
Correct |
839 ms |
4300 KB |
Output is correct |
7 |
Correct |
864 ms |
4996 KB |
Output is correct |
8 |
Correct |
838 ms |
6676 KB |
Output is correct |
9 |
Runtime error |
758 ms |
9088 KB |
Execution killed with signal 11 |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
42 ms |
980 KB |
Output is correct |
2 |
Correct |
44 ms |
1024 KB |
Output is correct |
3 |
Correct |
45 ms |
988 KB |
Output is correct |
4 |
Correct |
53 ms |
996 KB |
Output is correct |
5 |
Correct |
857 ms |
5596 KB |
Output is correct |
6 |
Correct |
394 ms |
1788 KB |
Output is correct |
7 |
Correct |
836 ms |
5940 KB |
Output is correct |
8 |
Correct |
435 ms |
2160 KB |
Output is correct |
9 |
Runtime error |
184 ms |
3976 KB |
Execution killed with signal 11 |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
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 |
22 ms |
504 KB |
Output is correct |
6 |
Correct |
16 ms |
512 KB |
Output is correct |
7 |
Correct |
7 ms |
340 KB |
Output is correct |
8 |
Correct |
16 ms |
540 KB |
Output is correct |
9 |
Correct |
16 ms |
556 KB |
Output is correct |
10 |
Correct |
19 ms |
596 KB |
Output is correct |
11 |
Correct |
14 ms |
544 KB |
Output is correct |
12 |
Correct |
12 ms |
536 KB |
Output is correct |
13 |
Correct |
17 ms |
492 KB |
Output is correct |
14 |
Correct |
15 ms |
468 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 |
440 KB |
Output is correct |
18 |
Runtime error |
18 ms |
1108 KB |
Execution killed with signal 11 |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
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 |
22 ms |
504 KB |
Output is correct |
6 |
Correct |
16 ms |
512 KB |
Output is correct |
7 |
Correct |
7 ms |
340 KB |
Output is correct |
8 |
Correct |
16 ms |
540 KB |
Output is correct |
9 |
Correct |
16 ms |
556 KB |
Output is correct |
10 |
Correct |
19 ms |
596 KB |
Output is correct |
11 |
Correct |
14 ms |
544 KB |
Output is correct |
12 |
Correct |
12 ms |
536 KB |
Output is correct |
13 |
Correct |
17 ms |
492 KB |
Output is correct |
14 |
Correct |
15 ms |
468 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 |
440 KB |
Output is correct |
18 |
Runtime error |
18 ms |
1108 KB |
Execution killed with signal 11 |
19 |
Halted |
0 ms |
0 KB |
- |