#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 + 1e4;
const ll block = 150;
const ll block_sz = (maxn + block - 1) / block + 100;
ll n, m, k, t;
struct seg{
ll l;
ll r;
inline ll sz() const {
return r - l + 1;
}
ll i;
};
inline bool operator==(seg a, seg b) {
return a.i == b.i;
}
vector <seg> S;
struct R {
bool operator()(seg a, seg b) const {
if (a.r == b.r) {
return a.i < b.i;
}
return a.r < b.r;
}
};
struct L {
bool operator()(seg a, seg b) const {
if (a.l == b.l) {
return a.i < b.i;
}
return a.l < b.l;
}
};
vector <seg> lasts;
inline bool cmp(seg a, seg b) {
return (a.r - a.l) < (b.r - b.l);
}
inline bool cmpl(const seg& a, const seg& b) {
return a.l < b.l;
}
inline bool cmpr(const seg& a, const seg& b) {
return a.r < b.r;
}
inline bool cmpsz(const seg& a, const seg& b) {
return a.sz() < b.sz();
}
vector <seg> segs;
vector <seg> R[block];
vector <seg> 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], L[q][w].l);
MXL[q] = max(MXL[q], 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], R[q][w].r);
MXR[q] = max(MXR[q], R[q][w].r);
}
}
inline void rebuild() {
ll q, w;
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[p.i]) {
continue;
}
if (L[blocki].size() > block_sz) {
blocki++;
}
IL[p.i] = blocki;
L[blocki].pb(p);
}
sort(segs.begin(), segs.end(), cmpr);
for (auto p: segs) {
if (used[p.i]) {
continue;
}
if (R[blocki].size() > block_sz) {
blocki++;
}
IR[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);
segs.push_back(a);
IL[a.i] = IR[a.i] = -1;
}
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));
R[ir].erase(find(R[ir].begin(), R[ir].end(), b));
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 (L[i][q].l >= l && L[i][q].sz() >= x) {
ans++;
}
}
return ans;
}
inline ll slowR(ll i, ll x, ll r) {
ll q;
ll ans = 0;
for (q = 0; q < R[i].size(); q++) {
if (R[i][q].r <= r && R[i][q].sz() >= x) {
ans++;
}
}
return ans;
}
inline ll fastL(ll i, ll x) {
seg good;
good.l = 0; good.r = x - 1;
ll j = (lower_bound(L[i].begin(), L[i].end(), good, cmpsz) - L[i].begin());
return L[i].size() - j;
}
inline ll fastR(ll i, ll x) {
seg good;
good.l = 0; good.r = x - 1;
ll j = (lower_bound(R[i].begin(), R[i].end(), good, cmpsz) - R[i].begin());
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) {
ans += slowL(q, x, l);
}
}
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 (q > 1) {
// if (MXR[q - 1] > MNR[q]) {
// exit(-1);
// }
// }
if (MXR[q] <= r) {
ll dans = fastR(q, x);
ans += dans;
continue;
}
if (MNR[q] > r) {
continue;
}
/// MXR[q] > r && MNR[q] <= r,
ll dans = slowR(q, x, r);
ans += dans;
cnt++;
}
// 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);
ll dansl = getansL(k, lk);
ll dansr = getansR(k, rk);
ans = allans - dansr - dansl;
return ans;
}
signed main() {
ll q, w, e, a, b, c;
pyshnapyshnakaa;
cin >> n >> t;
cout << block_sz * block << endl;
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:97:16: 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:108:16: 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:115:8: warning: unused variable 'w' [-Wunused-variable]
ll q, w;
^
segments.cpp: In function 'll slowL(ll, ll, ll)':
segments.cpp:174:16: 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:185:16: 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:226:16: 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:266:16: 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:281:5: warning: unused variable 'q' [-Wunused-variable]
ll q, w;
^
segments.cpp:281:8: warning: unused variable 'w' [-Wunused-variable]
ll q, w;
^
segments.cpp: In function 'int main()':
segments.cpp:292:8: warning: unused variable 'w' [-Wunused-variable]
ll q, w, e, a, b, c;
^
segments.cpp:292:11: warning: unused variable 'e' [-Wunused-variable]
ll q, w, e, a, b, c;
^
segments.cpp:292:17: warning: unused variable 'b' [-Wunused-variable]
ll q, w, e, a, b, c;
^
segments.cpp:296:5: warning: unused variable 'nxt' [-Wunused-variable]
ll nxt = 0;
^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
949 ms |
4976 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
265 ms |
2740 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
270 ms |
2740 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
