QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#743466 | #7627. Phony | Carucao | WA | 2ms | 14148kb | C++20 | 6.1kb | 2024-11-13 19:17:19 | 2024-11-13 19:17:19 |
Judging History
answer
#include<bits/stdc++.h>
#define ls lc[i]
#define rs rc[i]
#define fi first
#define se second
#define min amin
#define max amax
#define eb emplace_back
using namespace std;
using ll=long long;
using LL=__int128;
using pii=pair<int,int>;
const int N=5E5+10;
const int inf=0x3f3f3f3f;
const int p=998244353;
template<typename T=int>T read(){T x;cin>>x;return x;}
template<typename U,typename V>U min(const U &x,const V &y){return x<y?x:y;}
template<typename U,typename V>U max(const U &x,const V &y){return y<x?x:y;}
template<typename U,typename ...V>U min(const U &x,const V &...y){return min(x,min(y...));}
template<typename U,typename ...V>U max(const U &x,const V &...y){return max(x,max(y...));}
template<typename U,typename V>bool cmin(U &x,const V &y){return y<x?x=y,true:false;}
template<typename U,typename V>bool cmax(U &x,const V &y){return x<y?x=y,true:false;}
template<typename U,typename ...V>bool cmin(U &x,const V &...y){return cmin(x,min(y...));}
template<typename U,typename ...V>bool cmax(U &x,const V &...y){return cmax(x,max(y...));}
template<typename T>T qpow(T x,int n){T y=1;for(;n;n>>=1,x*=x)if(n&1)y*=x;return y;}
ll sqrt_floor(const ll &x){ll l=0,r=INT_MAX;while(l+1^r){ll mid=l+r>>1;(x<mid*mid?r:l)=mid;}return l;}
ll sqrt_ceil(const ll &x){ll l=-1,r=INT_MAX;while(l+1^r){ll mid=l+r>>1;(mid*mid<x?l:r)=mid;}return r;}
istream &operator>>(istream &is,LL &x){string a;is>>a;bool k=a[0]=='-';if(k)a=a.substr(1);x=0;for(char &t:a)x=x*10+t-48;if(k)x=-x;return is;}
ostream &operator<<(ostream &os,LL x){if(x<0)os<<'-',x=-x;string a;do a+=x%10|48;while(x/=10);reverse(a.begin(),a.end());return os<<a;}
mt19937 rng(time(0));
struct mint{
int x;
mint():x(){}
mint(const int &x):x(x<0?x+p:x){}
mint inv()const{return qpow(*this,p-2);}
mint operator-()const{return mint(x?p-x:x);}
mint &operator+=(const mint &t){return (x+=t.x)<p?0:x-=p,*this;}
mint &operator-=(const mint &t){return (x-=t.x)<0?x+=p:0,*this;}
mint &operator*=(const mint &t){return x=ll(x)*t.x%p,*this;}
mint &operator/=(const mint &t){return *this*=t.inv();}
mint operator+(const mint &t)const{return mint(*this)+=t;}
mint operator-(const mint &t)const{return mint(*this)-=t;}
mint operator*(const mint &t)const{return mint(*this)*=t;}
mint operator/(const mint &t)const{return mint(*this)/=t;}
friend mint operator+(const int &x,const mint &y){return mint(x)+=y;}
friend mint operator-(const int &x,const mint &y){return mint(x)-=y;}
friend mint operator*(const int &x,const mint &y){return mint(x)*=y;}
friend mint operator/(const int &x,const mint &y){return mint(x)/=y;}
friend istream &operator>>(istream &is,mint &t){return is>>t.x;}
friend ostream &operator<<(ostream &os,const mint &t){return os<<t.x;}
};
pair<ll,int>a[N];
ll c[N];
int rt[N],lc[N],rc[N],key[N],val[N],siz[N],pre[N],cnt;
int new_node(int w){
int i=++cnt;
key[i]=rng();
val[i]=w;
siz[i]=1;
return i;
}
void split(int i,int &x,int &y,int k){
if(!i)return x=y=0,void();
int t=k-siz[rs]-1;
if(t<0){
x=i;
siz[i]-=siz[rs];
split(rs,rs,y,k);
siz[i]+=siz[rs];
}
else{
y=i;
siz[i]-=siz[ls];
split(ls,x,ls,t);
siz[i]+=siz[ls];
}
}
void split2(int i,int &x,int &y,int w){
if(!i)return x=y=0,void();
if(val[i]<w){
x=i;
siz[i]-=siz[rs];
split2(rs,rs,y,w);
siz[i]+=siz[rs];
}
else{
y=i;
siz[i]-=siz[ls];
split2(ls,x,ls,w);
siz[i]+=siz[ls];
}
}
int mg(int x,int y){
if(!x||!y)return x|y;
if(key[x]<key[y]){
siz[x]+=siz[y];
rc[x]=mg(rc[x],y);
return x;
}
siz[y]+=siz[x];
lc[y]=mg(x,lc[y]);
return y;
}
template<typename ...T>int mg(int x,T ...y){
return mg(x,mg(y...));
}
int kth(int i,int k){
while(1){
int t=k-siz[ls]-1;
if(!t)return val[i];
if(t<0)i=ls;
else{
k=t;
i=rs;
}
}
}
vector<int>q;
void dfs(int i){
if(!i)return;
dfs(ls);
dfs(rs);
ls=rs=0;
siz[i]=1;
q.eb(i);
}
int un(int x,int y){
if(siz[x]<siz[y])swap(x,y);
q.clear();
dfs(y);
int u,v;
for(int &t:q){
split2(x,u,v,val[t]);
x=mg(u,t,v);
}
return x;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n,m,k;
cin>>n>>m>>k;
for(int i=1;i<=n;++i){
ll x;
cin>>x;
a[i].fi=x/k;
a[i].se=x%k;
}
sort(a+1,a+n+1);
a[0].fi=-1;
int s=0;
for(int i=1;i<=n;++i){
if(a[i].fi^a[i-1].fi){
c[++s]=a[i].fi;
pre[s]=pre[s-1];
}
rt[s]=mg(rt[s],new_node(a[i].se));
++pre[s];
}
while(m--){
char op;
ll x;
cin>>op>>x;
if(op=='A'){
x=n-x+1;
int i=lower_bound(pre+1,pre+s+1,x)-pre;
cout<<c[i]*k+kth(rt[i],x-pre[i-1])<<'\n';
}
else{
while(x){
if(s>1&&x/siz[rt[s]]>=c[s]-c[s-1]){
x-=(c[s]-c[s-1])*siz[rt[s]];
--s;
rt[s]=un(rt[s],rt[s+1]);
pre[s]=pre[s+1];
}
else{
ll t=x/siz[rt[s]];
c[s]-=t;
x-=t*siz[rt[s]];
if(!x)break;
int u,v;
split(rt[s],u,v,x);
if(s>1&&c[s]==c[s-1]+1){
pre[s-1]+=siz[v];
rt[s-1]=mg(rt[s-1],v);
rt[s]=u;
}
else{
rt[s]=v;
rt[s+1]=u;
c[s+1]=c[s];
pre[s+1]=pre[s];
--c[s];
pre[s]-=siz[u];
++s;
}
x=0;
}
}
}
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 14148kb
input:
3 5 5 7 3 9 A 3 C 1 A 2 C 2 A 3
output:
3 4 -1
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 0ms
memory: 13936kb
input:
5 8 8 294 928 293 392 719 A 4 C 200 A 5 C 10 A 2 C 120 A 1 A 3
output:
294 200 191 0 -2
result:
ok 5 lines
Test #3:
score: -100
Wrong Answer
time: 2ms
memory: 13952kb
input:
100 100 233 5101 8001 6561 6329 6305 7745 4321 811 49 1121 3953 8054 8415 9876 6701 4097 6817 6081 495 5521 2389 2042 4721 8119 7441 7840 8001 5756 5561 129 1 5981 4801 7201 8465 7251 6945 5201 5626 3361 5741 3650 7901 2513 8637 3841 5621 9377 101 3661 5105 4241 5137 7501 5561 3581 4901 561 8721 811...
output:
6881 9161 4721 8200 2945 7579 7535 5291 5001 2042 4721 4721 6881 4097 7067 7065 7018 7017 811 6735 2561 6603 6133 6124 3581 5291 1485 5957 5393 2042 5282 5291 5227 4721 5016 4029 4097 4583 4726 4635 4721 2042 4535 4454 4615 4435 3581 4222 115 2042 4358 2042 4353 1485 4216 -17647
result:
wrong answer 6th lines differ - expected: '7647', found: '7579'