#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)
template<typename T>
void amin(T &a, T b) {
a = min(a,b);
}
template<typename T>
void amax(T &a, T b) {
a = max(a,b);
}
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
/*
refs:
other solutions
https://codeforces.com/blog/entry/124766 (log decomposition technique)
*/
const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;
template<typename T>
struct fenwick {
int n;
vector<vector<int>> tr;
int LOG = 0;
fenwick() {
}
fenwick(int n_) {
n = n_;
tr = vector<vector<int>>(n + 1);
while((1<<LOG) <= n) LOG++;
}
int lsb(int x) {
return x & -x;
}
void pupd(int i, int v) {
i++;
for(; i <= n; i += lsb(i)){
tr[i].pb(v);
}
}
void build(){
rep1(i,n){
sort(all(tr[i]));
}
}
void clear(){
rep1(i,n){
tr[i].clear();
tr[i].shrink_to_fit();
}
tr.clear();
tr.shrink_to_fit();
}
int get(int i, int x, int y) {
i++;
int res = 0;
for(; i; i ^= lsb(i)){
auto &a = tr[i];
if(y == 2*inf1) res += sz(a);
else res += upper_bound(all(a),y)-a.begin();
if(x) res -= lower_bound(all(a),x)-a.begin();
}
return res;
}
int query(int l, int r, int x, int y) {
if (l > r) return 0;
int res = get(r,x,y) - get(l-1,x,y);
return res;
}
};
struct S{
vector<pii> a;
fenwick<int> fenw1,fenw2;
bool empty(){
return a.empty();
}
void clear(){
a.clear();
a.shrink_to_fit();
fenw1.clear(), fenw2.clear();
}
void build(){
fenw1 = fenwick<int>(sz(a));
fenw2 = fenwick<int>(sz(a));
rep(i,sz(a)){
fenw1.pupd(i,a[i].ff);
fenw2.pupd(i,a[i].ss);
}
fenw1.build();
fenw2.build();
}
int query(int i, int l1, int r1, int k){
int n = sz(a);
return fenw1.query(i,n-1,r1-k+1,2*inf1)+fenw2.query(i,n-1,0,l1+k-1);
}
};
struct DS{
S a[20];
void insert(int l, int r){
S curr;
curr.a.pb({l,r});
rep(i,20){
if(!a[i].empty()){
S nxt;
int ptr1 = 0, ptr2 = 0;
while(ptr1 < sz(curr.a) and ptr2 < sz(a[i].a)){
int len1 = curr.a[ptr1].ss-curr.a[ptr1].ff;
int len2 = a[i].a[ptr2].ss-a[i].a[ptr2].ff;
if(len1 < len2){
nxt.a.pb(curr.a[ptr1++]);
}
else{
nxt.a.pb(a[i].a[ptr2++]);
}
}
while(ptr1 < sz(curr.a)) nxt.a.pb(curr.a[ptr1++]);
while(ptr2 < sz(a[i].a)) nxt.a.pb(a[i].a[ptr2++]);
curr = nxt;
nxt.clear();
a[i].clear();
}
else{
a[i] = curr;
a[i].build();
break;
}
}
}
int query(int l1, int r1, int k){
if(r1-l1 < k) return 0;
int ans = 0;
rep(i,20){
if(a[i].empty()) conts;
auto &b = a[i].a;
int lo = 0, hi = sz(b)-1;
int pos = -1;
while(lo <= hi){
int mid = (lo+hi) >> 1;
if(b[mid].ss-b[mid].ff >= k){
pos = mid;
hi = mid-1;
}
else{
lo = mid+1;
}
}
if(pos == -1) conts;
int bad = a[i].query(pos,l1,r1,k);
int add = sz(b)-pos-bad;
ans += add;
}
return ans;
}
};
void solve(int test_case)
{
int q,c; cin >> q >> c;
DS ds1,ds2;
vector<pii> a;
a.pb({0,0});
int last_ans = 0;
while(q--){
int t; cin >> t;
if(t == 1){
int l,r; cin >> l >> r;
l ^= c*last_ans, r ^= c*last_ans;
if(l > r) swap(l,r);
ds1.insert(l,r);
a.pb({l,r});
}
else if(t == 2){
int id; cin >> id;
auto [l,r] = a[id];
ds2.insert(l,r);
}
else{
int l,r,k; cin >> l >> r >> k;
l ^= c*last_ans, r ^= c*last_ans;
if(l > r) swap(l,r);
k--;
int ans = ds1.query(l,r,k)-ds2.query(l,r,k);
cout << ans << endl;
last_ans = ans;
}
}
}
int main()
{
fastio;
int t = 1;
// cin >> t;
rep1(i, t) {
solve(i);
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
349 ms |
11020 KB |
Output is correct |
| 2 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
309 ms |
15032 KB |
Output is correct |
| 2 |
Correct |
307 ms |
14536 KB |
Output is correct |
| 3 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
