#include <bits/stdc++.h>
#define pb push_back
#define pll pair <ll, ll>
#define MOMI using namespace std;
#define mp make_pair
#define pyshnapyshnakaa ios_base :: sync_with_stdio(0); cin.tie(0); cout.tie(0);
#pragma optimize("TKACHENKO-GORYACHENKO")
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
typedef int ll;
typedef long double ld;
using namespace std;
const ll inf = 2e9 + 500;
const ll maxn = 2e5 + 100;
const ll block = 150;
const ll block_sz = (maxn + block - 1) / block;
ll n, m, k, t;
struct seg{
ll l;
ll r;
inline ll sz() const {
return r - l + 1;
}
ll i;
};
vector <seg> S;
vector <seg> lasts;
inline bool cmpl(const ll& a, const ll& b) {
return S[a].l < S[b].l;
}
inline bool cmpr(const ll& a, const ll& b) {
return S[a].r < S[b].r;
}
inline bool cmpsz(const ll& a, const ll& b) {
return S[a].sz() < S[b].sz();
}
ll LASTL[block];
ll LASTR[block];
vector <ll> segs;
vector <ll> R[block];
vector <ll> L[block];
ll MNL[block];
ll MXL[block];
ll MNR[block];
ll MXR[block];
ll IL[maxn];
ll IR[maxn];
bool used[maxn];
inline void buildL(ll q) {
ll w;
sort(L[q].begin(), L[q].end(), cmpsz);
MNL[q] = inf;
MXL[q] = -inf;
for (w = 0; w < L[q].size(); w++) {
MNL[q] = min(MNL[q], S[L[q][w]].l);
MXL[q] = max(MXL[q], S[L[q][w]].l);
}
}
inline void buildR(ll q) {
ll w;
MNR[q] = -inf;
MXR[q] = inf;
sort(R[q].begin(), R[q].end(), cmpsz);
for (w = 0; w < R[q].size(); w++) {
MNR[q] = min(MNR[q], S[R[q][w]].r);
MXR[q] = max(MXR[q], S[R[q][w]].r);
}
}
inline void rebuild() {
ll q, w;
// cout << "REBUild" << endl;
lasts.clear();
ll blocki = 0;
for (q = 0; q < block; q++) {
R[q].clear();
L[q].clear();
}
sort(segs.begin(), segs.end(), cmpl);
for (auto p : segs) {
if (used[S[p].i]) {
continue;
}
if (L[blocki].size() > block_sz) {
blocki++;
}
IL[S[p].i] = blocki;
L[blocki].pb(p);
}
sort(segs.begin(), segs.end(), cmpr);
for (auto p: segs) {
if (used[S[p].i]) {
continue;
}
if (R[blocki].size() > block_sz) {
blocki++;
}
IR[S[p].i] = blocki;
R[blocki].pb(p);
}
for (q = 0; q < block; q++) {
buildL(q);
}
for (q = 0; q < block; q++) {
buildR(q);
}
}
inline void add(seg a) {
lasts.pb(a);
S.pb(a);
IL[a.i] = IR[a.i] = -1;
segs.pb(a.i);
}
inline void del(seg b) {
ll il = IL[b.i], ir = IR[b.i];
used[b.i] = 1;
if (il == -1) {
return;
}
L[il].erase(find(L[il].begin(), L[il].end(), b.i));
R[ir].erase(find(R[ir].begin(), R[ir].end(), b.i));
buildL(il);
buildR(ir);
}
inline ll slowL(ll i, ll x, ll l) {
ll q;
ll ans = 0;
for (q = 0; q < L[i].size(); q++) {
if (S[L[i][q]].l >= l && S[L[i][q]].sz() >= x) {
ans++;
}
}
return ans;
}
inline ll slowR(ll i, ll x, ll r) {
if (R[i].empty()) {
return 0;
}
ll q;
ll ans = 0;
// cout << x << " " << r << " SLOW" << endl;
for (q = 0; q < R[i].size(); q++) {
// cout << R[i][q] << endl;
if (S[R[i][q]].r <= r && S[R[i][q]].sz() >= x) {
ans++;
}
}
return ans;
}
inline ll fastL(ll i, ll x) {
seg good;
good.l = 0; good.r = x - 1;
S.pb(good);
ll j = (lower_bound(L[i].begin(), L[i].end(), S.size() - 1, cmpsz) - L[i].begin());
S.pop_back();
return L[i].size() - j;
}
inline ll fastR(ll i, ll x) {
seg good;
good.l = 0; good.r = x - 1;
S.pb(good);
ll j = (lower_bound(R[i].begin(), R[i].end(), S.size() - 1, cmpsz) - R[i].begin());
S.pop_back();
return R[i].size() - j;
}
inline ll getansL(ll x, ll l) {
ll q;
ll ans = 0;
for (q = 0; q < block; q++) {
if (MNL[q] == inf) {
continue;
}
if (MNL[q] >= l) {
ans += fastL(q, x);
continue;
}
if (MXL[q] < l) {
continue;
}
if (MNL[q] < l) {
ll dans = slowL(q, x, l);
// cout << "DANS " << dans << endl;
ans += slowL(q, x, l);
}
}
// cout <<
for (q = 0; q < lasts.size(); q++) {
if (used[lasts[q].i]) {
continue;
}
if (lasts[q].l >= l && lasts[q].sz() >= x) {
ans++;
}
}
return ans;
}
inline ll getansR(ll x, ll r) {
ll q;
ll ans = 0;
ll cnt = 0;
for (q = 0; q < block; q++) {
if (MNR[q] == inf) {
continue;
}
if (MXR[q] <= r) {
ll dans = fastR(q, x);
ans += dans;
continue;
}
if (MNR[q] > r) {
continue;
}
cnt++;
ll dans = slowR(q, x, r);
// if (dans != 0)cout << dans << " DANS" << endl;
ans += dans;
}
if (cnt > 5) {
exit(-1);
}
for (q = 0; q < lasts.size(); q++) {
if (used[lasts[q].i]) {
continue;
}
if (lasts[q].r <= r && lasts[q].sz() >= x) {
ans++;
}
}
return ans;
}
inline ll answer(seg c, ll k) {
if (c.sz() < k) {
return 0;
}
ll q, w;
ll ans = 0;
ll lk = c.r - k + 2, rk = c.l + k - 2;
ll allans = getansR(k, inf);
// exit(0);
ll dansl = getansL(k, lk);
ll dansr = getansR(k, rk);
// cout << allans << " " << dansl << " " << dansr << " DEBUG" << endl;
ans = allans - dansr - dansl;
return ans;
}
signed main() {
ll q, w, e, a, b, c;
pyshnapyshnakaa;
// cout << block_sz << endl;
cin >> n >> t;
ll nxt = 0;
ll lastans = 0;
ll cnt3 = 0;
for (q = 0; q < n; q++) {
ll comm;
cin >> comm;
ll l, r;
seg x;
if (comm == 1) {
cin >> l >> r;
l ^= (lastans * t);
r ^= (lastans * t);
if (l > r) {
swap(l, r);
}
x.l = l; x.r = r;
x.i = S.size();
add(x);
}
if (comm == 2) {
cin >> a;
a--;
del(S[a]);
}
// if (cnt3 > 8e4 && n > 1e5) {
// exit(-1);
// }
if (comm == 3) {
cnt3++;
cin >> l >> r;
l ^= (lastans * t);
r ^= (lastans * t);
if (lasts.size() >= block_sz) {
rebuild();
}
if (l > r) {
swap(l, r);
}
x.l = l; x.r = r;
cin >> c;
lastans = answer(x, c);
cout << lastans << '\n';
}
}
return 0;
}
Compilation message
segments.cpp:7:0: warning: ignoring #pragma optimize [-Wunknown-pragmas]
#pragma optimize("TKACHENKO-GORYACHENKO")
segments.cpp: In function 'void buildL(ll)':
segments.cpp:75:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (w = 0; w < L[q].size(); w++) {
~~^~~~~~~~~~~~~
segments.cpp: In function 'void buildR(ll)':
segments.cpp:86:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (w = 0; w < R[q].size(); w++) {
~~^~~~~~~~~~~~~
segments.cpp: In function 'void rebuild()':
segments.cpp:93:8: warning: unused variable 'w' [-Wunused-variable]
ll q, w;
^
segments.cpp: In function 'll slowL(ll, ll, ll)':
segments.cpp:153:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (q = 0; q < L[i].size(); q++) {
~~^~~~~~~~~~~~~
segments.cpp: In function 'll slowR(ll, ll, ll)':
segments.cpp:168:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (q = 0; q < R[i].size(); q++) {
~~^~~~~~~~~~~~~
segments.cpp: In function 'll getansL(ll, ll)':
segments.cpp:210:7: warning: unused variable 'dans' [-Wunused-variable]
ll dans = slowL(q, x, l);
^~~~
segments.cpp:216:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (q = 0; q < lasts.size(); q++) {
~~^~~~~~~~~~~~~~
segments.cpp: In function 'll getansR(ll, ll)':
segments.cpp:251:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (q = 0; q < lasts.size(); q++) {
~~^~~~~~~~~~~~~~
segments.cpp: In function 'll answer(seg, ll)':
segments.cpp:266:5: warning: unused variable 'q' [-Wunused-variable]
ll q, w;
^
segments.cpp:266:8: warning: unused variable 'w' [-Wunused-variable]
ll q, w;
^
segments.cpp: In function 'int main()':
segments.cpp:279:8: warning: unused variable 'w' [-Wunused-variable]
ll q, w, e, a, b, c;
^
segments.cpp:279:11: warning: unused variable 'e' [-Wunused-variable]
ll q, w, e, a, b, c;
^
segments.cpp:279:17: warning: unused variable 'b' [-Wunused-variable]
ll q, w, e, a, b, c;
^
segments.cpp:283:5: warning: unused variable 'nxt' [-Wunused-variable]
ll nxt = 0;
^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
380 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Runtime error |
13 ms |
632 KB |
Execution failed because the return code was nonzero |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
55 ms |
3240 KB |
Execution failed because the return code was nonzero |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
12 ms |
760 KB |
Execution failed because the return code was nonzero |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
12 ms |
760 KB |
Execution failed because the return code was nonzero |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
380 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Runtime error |
13 ms |
632 KB |
Execution failed because the return code was nonzero |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
380 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Runtime error |
13 ms |
632 KB |
Execution failed because the return code was nonzero |
| 4 |
Halted |
0 ms |
0 KB |
- |
