#pragma comment(linker, "/stack:200000000")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
const double PI = 4 * atan(1);
#define sz(x) (int)(x).size()
#define ll long long
#define ld long double
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define pii pair <int, int>
#define vi vector<int>
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define vpi vector<pair<int, int>>
#define vpd vector<pair<double, double>>
#define pd pair<double, double>
#define f0r(i,a) for(int i=0;i<a;i++)
#define f1r(i,a,b) for(int i=a;i<b;i++)
#define trav(a, x) for (auto& a : x)
template<typename A, typename B> ostream& operator<<(ostream &cout, pair<A, B> const &p) { return cout << "(" << p.f << ", " << p.s << ")"; }
template<typename A> ostream& operator<<(ostream &cout, vector<A> const &v) {
cout << "["; for(int i = 0; i < v.size(); i++) {if (i) cout << ", "; cout << v[i];} return cout << "]";
}
void fast_io(){
ios_base::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
}
void io(string taskname){
string fin = taskname + ".in";
string fout = taskname + ".out";
const char* FIN = fin.c_str();
const char* FOUT = fout.c_str();
freopen(FIN, "r", stdin);
freopen(FOUT, "w", stdout);
fast_io();
}
struct node{
int nxt, bef, val;
};
const int MAX = 250005;
const int BIG = 10;
int n, a;
node ord[MAX];
int link[MAX];
int beg[MAX];
int head, tail;
void del(int x){
if(ord[x].val == tail){
ord[(ord[x].bef)].nxt = head;
tail = ord[x].bef;
ord[head].bef = tail;
}
else if(ord[x].val == head){
ord[(ord[x].nxt)].bef = tail;
head = ord[x].nxt;
ord[tail].bef = head;
}
else{
ord[(ord[x].bef)].nxt = ord[x].nxt;
ord[(ord[x].nxt)].bef = ord[x].bef;
}
}
vi check;
vi num;
void redo(int i, int e){
if(i == a) return;
int mn = e;
f0r(j, sz(check)){
if(i<a){
if(check[j]>a) continue;
if(i<check[j]){
mn = min(mn, num[j]);
}
}
else{
if(check[j]<a) continue;
if(i>check[j]){
mn = min(mn, num[j]);
}
}
}
// if(i == 3){cout << mn <<" min" << endl;}
if(i<a) link[i] = n;
else link[i] = -1;
f0r(j, sz(check)){
if(i<a){
if(check[j]<a) continue;
if(link[i]>check[j] && num[j]<mn) link[i] = check[j];
}
else{
if(check[j]>a) continue;
if(link[i]<check[j] && num[j]<mn) link[i] = check[j];
}
}
}
void ins(int x, int r){
del(x);
int cur = head;
if(r == 0){
int rep = head;
ord[x].nxt = rep;
ord[x].bef = tail;
ord[rep].bef = ord[x].val;
head = ord[x].val;
ord[tail].nxt = head;
}
else if(r == n-1){
int rep = tail;
ord[x].bef = rep;
ord[x].nxt = head;
ord[rep].nxt = ord[x].val;
tail = ord[x].val;
ord[head].bef = tail;
}
else{
int rep = head;
f0r(i, r){
rep = ord[rep].nxt;
}
ord[x].nxt = rep;
ord[x].bef = ord[rep].bef;
ord[ord[rep].bef].nxt = ord[x].val;
ord[rep].bef = ord[x].val;
}
}
int main(){
fast_io();
cin >> n >> a;
a--;
vpi d;
f0r(i, n){
int di;
cin >> di;
d.eb(mp(di, i));
beg[i] = di;
}
sort(all(d));
reverse(all(d));
f0r(i, n){
ord[i].val = i;
ord[i].nxt = -1;
ord[i].bef = -1;
}
f0r(i, sz(d)){
int j = (i+1)%n;
ord[d[i].s].nxt = ord[d[j].s].val;
ord[d[j].s].bef = ord[d[i].s].val;
if(i == 0) head = ord[d[i].s].val;
if(i == sz(d)-1) tail = ord[d[i].s].val;
}
int cnt = head;
while(true){
if(ord[cnt].nxt == head) break;
cnt = ord[cnt].nxt;
}
int mx = 0;
int idx = a+1;
for(int i = a-1; i>= 0; i--){
mx = max(mx, beg[i]);
while(idx<n){
if(mx>beg[idx]) idx++;
else break;
}
link[i] = idx;
}
mx = 0;
idx = a-1;
for(int i = a+1; i<n; i++){
mx = max(mx, beg[i]);
while(idx>0){
if(mx>beg[idx]) idx--;
else break;
}
link[i] = idx;
}
link[a] = a;
int q;
cin >> q;
while(q--){
char c;
cin >> c;
if(c == 'E'){
int i, e;
cin >> i >> e;
i--; e--;
if(i == a) continue;
ins(i, e);
check.clear();
num.clear();
int cnt = 0;
int st = head;
while(cnt<BIG){
if(st != a){
check.eb(st);
num.eb(cnt);
}
cnt++;
st = ord[st].nxt;
if(st == head) break;
}
// cout << check << " " << num << endl;
f0r(j, sz(check)) redo(check[j], num[j]);
int cur = head;
/* f0r(i, n){
cout << cur << " " << ord[cur].bef << " " << ord[cur].nxt << endl;
cur = ord[cur].nxt;
}
cout << endl;
f0r(i, n){
cout << i << " " << link[i] << endl;
}*/
}
else{
int b;
cin >> b;
b--;
if(b == a) cout << 1 - 1<< endl;
else cout << abs(b - a)+1 + abs(link[b] - a) - 1-1 << endl;
}
}
return 0;
}
Compilation message
cake.cpp:1:0: warning: ignoring #pragma comment [-Wunknown-pragmas]
#pragma comment(linker, "/stack:200000000")
cake.cpp: In function 'void ins(int, int)':
cake.cpp:120:9: warning: unused variable 'cur' [-Wunused-variable]
int cur = head;
^~~
cake.cpp: In function 'int main()':
cake.cpp:227:17: warning: unused variable 'cur' [-Wunused-variable]
int cur = head;
^~~
cake.cpp: In function 'void io(std::__cxx11::string)':
cake.cpp:52:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen(FIN, "r", stdin);
~~~~~~~^~~~~~~~~~~~~~~~~
cake.cpp:53:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen(FOUT, "w", stdout);
~~~~~~~^~~~~~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
573 ms |
5112 KB |
Output isn't correct |
| 2 |
Correct |
313 ms |
5180 KB |
Output is correct |
| 3 |
Incorrect |
571 ms |
5244 KB |
Output isn't correct |
| 4 |
Incorrect |
316 ms |
5240 KB |
Output isn't correct |
| 5 |
Incorrect |
618 ms |
5848 KB |
Output isn't correct |
| 6 |
Incorrect |
498 ms |
6264 KB |
Output isn't correct |
| 7 |
Incorrect |
585 ms |
5988 KB |
Output isn't correct |
| 8 |
Incorrect |
330 ms |
6212 KB |
Output isn't correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
315 ms |
5132 KB |
Output isn't correct |
| 2 |
Incorrect |
321 ms |
5020 KB |
Output isn't correct |
| 3 |
Incorrect |
314 ms |
5124 KB |
Output isn't correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Incorrect |
365 ms |
10496 KB |
Output isn't correct |
| 6 |
Incorrect |
362 ms |
10344 KB |
Output isn't correct |
| 7 |
Incorrect |
351 ms |
10344 KB |
Output isn't correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
110 ms |
1008 KB |
Output isn't correct |
| 2 |
Incorrect |
112 ms |
1128 KB |
Output isn't correct |
| 3 |
Incorrect |
184 ms |
3312 KB |
Output isn't correct |
| 4 |
Incorrect |
180 ms |
3032 KB |
Output isn't correct |
| 5 |
Incorrect |
320 ms |
1912 KB |
Output isn't correct |
| 6 |
Incorrect |
345 ms |
4376 KB |
Output isn't correct |
| 7 |
Incorrect |
433 ms |
2908 KB |
Output isn't correct |
| 8 |
Incorrect |
297 ms |
5740 KB |
Output isn't correct |
| 9 |
Incorrect |
1223 ms |
15364 KB |
Output isn't correct |
| 10 |
Incorrect |
1068 ms |
5348 KB |
Output isn't correct |
| 11 |
Incorrect |
1069 ms |
6772 KB |
Output isn't correct |
| 12 |
Incorrect |
1202 ms |
13676 KB |
Output isn't correct |
| 13 |
Incorrect |
1175 ms |
15464 KB |
Output isn't correct |
