#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define ld long double
#define F first
#define S second
#define pii pair<ll,ll>
using namespace :: std;
const ll mod=1e9+7;
const ll maxn=5e5+500;
const ll inf=1e9+900;
const ll sq=12;
ll p[maxn];
ll seg[4*maxn];
ll nmx;
void bild(ll L,ll R,ll node){
if(L+1==R){
seg[node]=p[L];
return ;
}
ll mid=(L+R)/2;
bild(L,mid,2*node);
bild(mid,R,2*node+1);
seg[node]=max(seg[2*node+1],seg[2*node]);
}
ll find_first_high_min(ll L,ll R,ll node,ll l,ll r,ll v){
if(r<=L || R<=l || seg[node]<=v){
return inf;
}
if(L+1==R){
return L;
}
ll mid=(L+R)/2;
ll e1=find_first_high_min(L,mid,2*node,l,r,v);
if(e1!=inf)return e1;
return find_first_high_min(mid,R,2*node+1,l,r,v);
}
ll find_first_high_max(ll L,ll R,ll node,ll l,ll r,ll v){
if(r<=L || R<=l || seg[node]<=v){
return inf;
}
if(L+1==R){
return L;
}
ll mid=(L+R)/2;
ll e1=find_first_high_max(mid,R,2*node+1,l,r,v);
if(e1!=inf)return e1;
return find_first_high_max(L,mid,2*node,l,r,v);
}
ll find_seg_max(ll L,ll R,ll node,ll l,ll r){
if(r<=L || R<=l){
return 0;
}
if(l<=L && R<=r){
return seg[node];
}
ll mid=(L+R)/2;
return max(find_seg_max(L,mid,2*node,l,r),find_seg_max(mid,R,2*node+1,l,r));
}
void update_seg(ll L,ll R,ll node,ll x,ll v){
if(L+1==R){
seg[node]=v;
return;
}
ll mid=(L+R)/2;
if(x<mid){
update_seg(L,mid,2*node,x,v);
}else{
update_seg(mid,R,2*node+1,x,v);
}
seg[node]=max(seg[2*node+1],seg[2*node]);
}
ll n,a;
vector<pii> best;
ll find_max(ll e){
ll l=e;
ll r=a;
if(r<l){
swap(l,r);
}
ll ans=0;
for(ll i=l;i<=r;i++){
if(i!=a){
ans=max(ans,p[i]);
}
}
return ans;
}
ll find_first_high(ll x,ll f){
for(ll i=a+f;;i+=f){
if(p[i]>x)return i;
}
return 0;
}
void update(ll x,ll v){
ll b=best[best.size()-v].F;
p[x]=b+1;
bool bod=0;
for(ll i=0;i<best.size();i++){
if(best[i].F>b && best[i].S!=x){
best[i].F++;
p[best[i].S]++;
}
if(best[i].S==x){
best[i].F=b+1;
bod=1;
}
}
if(!bod){
best.pb(mp(p[x],x));
}
sort(best.begin(),best.end());
if(best.size()>sq){
reverse(best.begin(),best.end());
pii e=best.back();
avaz(e.S,e.F);
best.pop_back();
reverse(best.begin(),best.end());
}
}
int main(){
cin>>n>>a;
nmx=n+5
p[0]=inf;
p[n+1]=inf;
for(ll i=1;i<=n;i++){
cin>>p[i];
if(p[i]>n-sq){
best.pb(mp(p[i],i));
}
}
bild(0,nmx,1);
sort(best.begin(),best.end());
ll q;
cin>>q;
for(ll i=0;i<q;i++){
char c;
cin>>c;
if(c=='F'){
ll e;
cin>>e;
ll mi=find_max(e);
ll o;
if(e==a){
cout<<0<<endl;
continue;
}
if(e<a){
o=find_first_high(mi,1);
}else{
o=find_first_high(mi,-1);
}
cout<<abs(o-e)-1<<endl;
}else{
ll x,v;
cin>>x>>v;
update(x,v);
}
}
}
Compilation message
cake.cpp: In function 'void update(long long int, long long int)':
cake.cpp:113:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(ll i=0;i<best.size();i++){
~^~~~~~~~~~~~
cake.cpp:130:2: error: 'avaz' was not declared in this scope
avaz(e.S,e.F);
^~~~
cake.cpp:130:2: note: suggested alternative: 'atan'
avaz(e.S,e.F);
^~~~
atan
cake.cpp: In function 'int main()':
cake.cpp:138:5: error: expected ';' before 'p'
p[0]=inf;
^
