This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#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=5;
ll p[maxn];
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++){
ans=max(ans,p[i]);
}
return ans;
}
ll find_first_high(ll x,ll f){
for(ll i=a;;i+=f){
if(p[i]>x)return i;
}
return 0;
}
void update(ll pos,ll v){
p[pos]=best[best.size()-v].F+1;
bool bod=0;
for(ll i=best.size()-v+1;i<best.size();i++){
if(best[i].S!=pos){
p[best[i].S]++;
best[i].F++;
}else{
bod=1;
best[i].F=p[pos];
}
}
if(!bod){
best.pb(mp(p[pos],pos));
}
sort(best.begin(),best.end());
if(best.size()>sq){
reverse(best.begin(),best.end());
best.pop_back();
reverse(best.begin(),best.end());
}
}
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n>>a;
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));
}
}
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 p,v;
cin>>p>>v;
update(p,v);
}
}
}
Compilation message (stderr)
cake.cpp: In function 'void update(long long int, long long int)':
cake.cpp:44:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(ll i=best.size()-v+1;i<best.size();i++){
~^~~~~~~~~~~~
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