#include <bits/stdc++.h>
#define X first
#define Y second
using namespace std;
typedef long long llint;
const int maxn = 2e5+10;
const int block = 1;
int n, t;
int cnt = 0;
vector< int > lef[block], rig[block];
int L[maxn], R[maxn];
int bio[maxn];
vector< pair<int, int> > v;
vector< int > inds;
bool cmp(int x, int y) {
return R[x] - L[x] < R[y] - L[y];
}
int inter(pair<int, int> a, pair<int, int> b) {
return min(a.Y, b.Y) - max(a.X, b.X) + 1;
}
int main() {
scanf("%d%d", &n, &t);
int lastans = 0;
while (n--) {
int type;
scanf("%d", &type);
if (type == 1) {
int l, r;
scanf("%d%d", &l, &r);
l = l ^ (t * lastans);
r = r ^ (t * lastans);
if (l > r) swap(l, r);
++cnt;
v.push_back({cnt, 1});
L[cnt] = l, R[cnt] = r;
} else if (type == 2) {
int x;
scanf("%d", &x);
v.push_back({x, -1});
} else {
int l, r, k;
scanf("%d%d%d", &l, &r, &k);
l = l ^ (t * lastans);
r = r ^ (t * lastans);
if (l > r) swap(l, r);
lastans = 0;
for (int i = 0; i < inds.size(); i += block) {
int tr = i / block;
int las = min((int)inds.size(), i + block) - 1;
if (R[inds[las]] - L[inds[las]] + 1 < k) continue;
if (R[inds[i]] - L[inds[i]] + 1 >= k) {
lastans += las - i + 1;
int ind = lower_bound(rig[tr].begin(), rig[tr].end(), l + k) - rig[tr].begin();
lastans -= ind;
ind = upper_bound(lef[tr].begin(), lef[tr].end(), r - k) - lef[tr].begin();
lastans -= lef[tr].size() - ind;
} else {
for (int j = 0; j < block; j++) {
if (i + j >= inds.size()) break;
lastans += (inter({l, r}, {L[inds[i + j]], R[inds[i + j]]}) >= k);
}
}
}
for (auto iter : v) {
int ind = iter.X;
int cost = iter.Y;
if (inter({l, r}, {L[ind], R[ind]}) >= k) lastans += cost;
}
printf("%d\n", lastans);
}
if (n % block == 0) {
for (int i = 0; i < block; i++) {
lef[i].clear();
rig[i].clear();
}
for (auto iter : v) {
bio[iter.X] += iter.Y;
}
v.clear();
inds.clear();
for (int i = 1; i <= cnt; i++) {
if (bio[i]) inds.push_back(i);
}
sort(inds.begin(), inds.end(), cmp);
for (int i = 0; i < inds.size(); i++) {
int tr = i / block;
lef[tr].push_back(L[inds[i]]);
rig[tr].push_back(R[inds[i]]);
}
for (int i = 0; i < block; i++) {
sort(lef[i].begin(), lef[i].end(), cmp);
sort(rig[i].begin(), rig[i].end(), cmp);
}
}
}
return 0;
}
Compilation message
segments.cpp: In function 'int main()':
segments.cpp:55:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
55 | for (int i = 0; i < inds.size(); i += block) {
| ~~^~~~~~~~~~~~~
segments.cpp:68:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
68 | if (i + j >= inds.size()) break;
| ~~~~~~^~~~~~~~~~~~~~
segments.cpp:99:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
99 | for (int i = 0; i < inds.size(); i++) {
| ~~^~~~~~~~~~~~~
segments.cpp:28:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
28 | scanf("%d%d", &n, &t);
| ~~~~~^~~~~~~~~~~~~~~~
segments.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
32 | scanf("%d", &type);
| ~~~~~^~~~~~~~~~~~~
segments.cpp:35:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
35 | scanf("%d%d", &l, &r);
| ~~~~~^~~~~~~~~~~~~~~~
segments.cpp:45:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
45 | scanf("%d", &x);
| ~~~~~^~~~~~~~~~
segments.cpp:49:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
49 | scanf("%d%d%d", &l, &r, &k);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
5050 ms |
532 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
