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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#547679 | #7072. Photograph | ucup-team3474 | RE | 0ms | 0kb | C++20 | 3.3kb | 2024-09-05 01:52:42 | 2024-09-05 01:52:42 |
answer
#include<bits/stdc++.h>
using namespace std;
const int N=1919810,inf=0x3f3f3f3f;
typedef long long ll;
typedef pair<ll,ll> PII;
#define int long long
ll n,m,k;
ll a[N],b[N];
char s[N];
ll c[N];
int lst[N],ne[N];
typedef struct{
int l,r;
int mx,mn;
int tag1,tag2;
}Node;
Node tr[N];
// void pushup(int u){
// tr[u].mx=max(tr[u<<1].mx,tr[u<<1|1].mx);
// }
void pushdown(int u){
if(tr[u].tag1!=0){
if(tr[u<<1].l==tr[u<<1].r) tr[u<<1].mx=max(tr[u<<1].mx,tr[u].tag1);
if(tr[u<<1|1].l==tr[u<<1|1].r) tr[u<<1|1].mx=max(tr[u<<1|1].mx,tr[u].tag1);
tr[u<<1].tag1=max(tr[u<<1].tag1,tr[u].tag1);
tr[u<<1|1].tag1=max(tr[u<<1|1].tag1,tr[u].tag1);
tr[u].tag1=0;
}
if(tr[u].tag2!=inf){
if(tr[u<<1].l==tr[u<<1].r) tr[u<<1].mn=min(tr[u<<1].mn,tr[u].tag2);
if(tr[u<<1|1].l==tr[u<<1|1].r) tr[u<<1|1].mn=min(tr[u<<1|1].mn,tr[u].tag2);
tr[u<<1].tag2=min(tr[u<<1].tag2,tr[u].tag2);
tr[u<<1|1].tag2=min(tr[u<<1|1].tag2,tr[u].tag2);
tr[u].tag2=inf;
}
}
void build(int u,int l,int r){
tr[u]={l,r,0,inf,0,inf};
if(l==r){
// tr[u].lst=
return;
}else{
int mid=l+r>>1;
build(u<<1,l,mid);
build(u<<1|1,mid+1,r);
// pushup(u);
}
}
void modify(int u,int l,int r,int c,int type){
// cout<<u<<" "<<tr[u].l<<" "<<tr[u].r<<" "<<l<<" "<<r<<endl;
if(l>r) return;
if(tr[u].l>=l&&tr[u].r<=r){
if(type==1){
if(tr[u].l==tr[u].r) tr[u].mx=max(tr[u].mx,c);
tr[u].tag1=max(tr[u].tag1,c);
}
if(type==2){
if(tr[u].l==tr[u].r) tr[u].mn=min(tr[u].mn,c);
tr[u].tag2=min(tr[u].tag2,c);
}
}else{
pushdown(u);
int mid=tr[u].l+tr[u].r>>1;
if(l<=mid) modify(u<<1,l,r,c,type);
if(r>mid) modify(u<<1|1,l,r,c,type);
// pushup(u);
}
}
Node query(int u,int l){
if(tr[u].l==tr[u].r){
return tr[u];
}else{
pushdown(u);
int mid=tr[u].l+tr[u].r>>1;
if(l<=mid) return query(u<<1,l);
else return query(u<<1|1,l);
}
}
void __(){
scanf("%lld%lld",&n,&m);
for(int i=1;i<=n;i++) scanf("%lld",&b[i]);
for(int i=1;i<=n;i++) scanf("%lld",&a[i]);
for(int i=1;i<=n;i++){
a[i+n]=a[i];
b[i+n]=b[i];
}
for(int i=1;i<=n;i++) c[i]=b[i];
int id=1;
// m--;
do{
// build(1,1,n);
set<int> se;
ll now=0;
ll ans=0;
for(int i=id,j=1;j<=n;j++,i++){
// cout<<a[i]<<" ";
// Node nd=query(1,a[i]);
// cout<<114514<<endl;
int lst=0,ne=inf;
auto it=se.lower_bound(a[i]);
if(it!=se.begin()){
auto it1=it;
it1--;
lst=*it1;
}
if(it!=se.end()){
auto it1=it;
it1++;
if(it1!=se.end())
ne=*it1;
}
// cout<<lst<<" "<<ne<<endl;
ll res=0;
if(lst!=0&&ne!=inf){
res=-(c[lst]-c[ne])*(c[lst]-c[ne]);
}
// cout<<res<<" ";
if(lst!=0){
res+=(c[a[i]]-c[lst])*(c[a[i]]-c[lst]);
}
// cout<<res<<" ";
if(ne!=inf){
res+=(c[a[i]]-c[ne])*(c[a[i]]-c[ne]);
}
// cout<<res<<" ";
// cout<<lst<<" "<<ne<<endl;
modify(1,a[i]+1,n,a[i],1);
modify(1,1,a[i]-1,a[i],2);
now+=res;
ans+=now;
// cout<<ans<<endl;
}
// cout<<endl;
printf("%lld\n",ans);
if(m==0) break;
int x;
scanf("%lld",&x);
ll move=(ans+x)%n;
// cout<<move<<endl;
// id=(id+move+1)%n+1;
for(int j=1;j<=move;j++) id=id%n+1;
}while(m--);
}
signed main(){
int _=1;
// cin>>_;
while(_--){
__();
}
}
Details
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Test #1:
score: 0
Runtime Error
input:
5 4 1 2 3 4 5 1 2 3 4 5 6 6 8 10