QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#399105 | #8546. Min or Max 2 | 275307894a | TL | 17ms | 57752kb | C++14 | 4.7kb | 2024-04-25 22:03:20 | 2024-04-25 22:03:29 |
Judging History
answer
#include<bits/stdc++.h>
#define Gc() getchar()
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define eb emplace_back
#define all(x) x.begin(),x.end()
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;
const int N=5e5+5,M=N*4+5,K=1000+5,mod=998244353,Mod=mod-1;const db eps=1e-8;const int INF=1e9+7;mt19937 rnd(263082);
#define Tp template<typename T>
#define Ts template<typename T,typename... Ar>
namespace Debug{
Tp void _debug(char* f,T t){cerr<<f<<'='<<t<<endl;}
Ts void _debug(char* f,T x,Ar... y){while(*f!=',') cerr<<*f++;cerr<<'='<<x<<",";_debug(f+1,y...);}
#ifdef LOCAL
#define gdb(...) _debug((char*)#__VA_ARGS__,__VA_ARGS__)
#else
#define gdb(...) void()
#endif
}using namespace Debug;
int n,A[N],B[N],ans[N],pl[N];
struct node{
int a,b;
node operator +(const node &B)const{
if(B.b==-1) return B;
if(b==-1) return (node){min(max(B.a,a),B.b),-1};
if(b<B.a) return (node){B.a,-1};
if(a>B.b) return (node){B.b,-1};
return (node){max(a,B.a),min(b,B.b)};
}
int calc(int x){
return ~b?min(max(a,x),b):a;
}
}C[N],l[N],r[N];
namespace SgT{
#define ls v<<1
#define rs v<<1|1
node f[M];
void up(int v){f[v]=f[ls]+f[rs];}
void modify(int x,node y,int l=1,int r=n,int v=1){
if(l==r){f[v]=y;return;}int m=l+r>>1;
x<=m?modify(x,y,l,m,ls):modify(x,y,m+1,r,rs);up(v);
}
node qry(int x,int y,int l=1,int r=n,int v=1){
if(x<=l&&r<=y) return f[v];int m=l+r>>1;
if(y<=m) return qry(x,y,l,m,ls);if(x>m) return qry(x,y,m+1,r,rs);
return qry(x,y,l,m,ls)+qry(x,y,m+1,r,rs);
}
#undef ls
#undef rs
}
struct Tree{
#define ls v<<1
#define rs v<<1|1
int f[M];node g[M];
void up(int v){f[v]=min(f[ls],f[rs]);}
void Pg(int v,node w){
if(f[v]==INF) return;
g[v]=g[v]+w;f[v]=w.calc(f[v]);
}
void P(int v){
if(g[v].a^-INF||g[v].b^INF) Pg(ls,g[v]),Pg(rs,g[v]),g[v]=(node){-INF,INF};
}
void modify(int x,node y,int l=1,int r=n,int v=1){
if(l==r){f[v]=y.calc(f[v]);return;}int m=l+r>>1;P(v);
x<=m?modify(x,y,l,m,ls):modify(x,y,m+1,r,rs);up(v);
}
void add(int x,int y,node z,int l=1,int r=n,int v=1){
if(x>y) return;
if(x<=l&&r<=y) return Pg(v,z);int m=l+r>>1;P(v);
x<=m&&(add(x,y,z,l,m,ls),0);y>m&&(add(x,y,z,m+1,r,rs),0);up(v);
}
int qry(int x,int y,int l=1,int r=n,int v=1){
if(x>y) return INF;
if(x<=l&&r<=y) return f[v];int m=l+r>>1;P(v);
return min(x<=m?qry(x,y,l,m,ls):INF,y>m?qry(x,y,m+1,r,rs):INF);
}
void build(int l=1,int r=n,int v=1){
f[v]=INF;g[v]=(node){-INF,INF};if(l==r) return;
int m=l+r>>1;build(l,m,ls);build(m+1,r,rs);
}
#undef ls
#undef rs
}f1,f2;
pii pus[N*8];int ph;
void add(int x,int y){pus[++ph]=make_pair(x,y);}
void work(node x,int A,int l,int r){
int mi=f1.qry(l,r),mx=n-f2.qry(l,r);//gdb(mi,mx);
if(x.b==-1){
if(mi^INF) add(A,x.a);
}else{
if(mi<=x.a) add(A,x.a);
if(mx>=x.b) add(A,x.b);
}
}
void calc(int *A,int *B){
int i,j;for(i=1;i<=n;i++) pl[A[i]]=i;
for(i=1;i<=n;i++) SgT::modify(i,(node){-INF,B[i]});
for(i=1;i<=n;i++){
int id=pl[i];
l[id]=SgT::qry(id,n);
SgT::modify(id,(node){B[id],INF});
r[id]=SgT::qry(id,n);
}
if(l[1].b==-1) add(A[1],l[1].a);
else add(A[1],l[1].b);
f1.build();f2.build();
f1.modify(A[1],(node){-INF,B[1]});f2.modify(A[1],(node){-INF,n-B[1]});
for(i=2;i<=n;i++){
work(l[i],A[i],A[i],n);work(r[i],A[i],1,A[i]);
int mi=f1.qry(A[i]+1,n),mx=n-f2.qry(A[i]+1,n);
if(mi^INF){
mi=min(mi,B[i]);mx=min(mx,B[i]);
f1.modify(A[i],(node){-INF,mi});f2.modify(A[i],(node){-INF,n-mx});
}
mi=f1.qry(1,A[i]-1),mx=n-f2.qry(1,A[i]-1);
if(mi^INF){
mi=max(mi,B[i]);mx=max(mx,B[i]);
f1.modify(A[i],(node){-INF,mi});f2.modify(A[i],(node){INF,n-mx});
}
f1.add(1,A[i]-1,(node){-INF,B[i]});f2.add(1,A[i]-1,(node){n-B[i],INF});
f1.add(A[i]+1,n,(node){B[i],INF});f2.add(A[i]+1,n,(node){-INF,n-B[i]});
// for(int j=1;j<A[i];j++)if(f1[j]^INF) f1[j]=min(f1[j],B[i]),f2[j]=min(f2[j],B[i]);
// for(int j=A[i]+1;j<=n;j++) if(f1[j]^INF) f1[j]=max(f1[j],B[i]),f2[j]=max(f2[j],B[i]);
}
}
void Solve(){
int i,j;scanf("%d",&n);
for(i=1;i<=n;i++) scanf("%d",&A[i]);
for(i=1;i<=n;i++) scanf("%d",&B[i]);
ph=0;
calc(A,B);
for(pii &i:pus) swap(i.fi,i.se);
calc(B,A);
sort(pus+1,pus+ph+1);ph=unique(pus+1,pus+ph+1)-pus-1;
fill(ans,ans+n,0);for(i=1;i<=ph;i++) ans[abs(pus[i].fi-pus[i].se)]++;
for(i=0;i<n;i++) printf("%d%c",ans[i]," \n"[i==n-1]);
}
int main(){
int t=1;
scanf("%d",&t);
while(t--) Solve();
cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}
详细
Test #1:
score: 100
Accepted
time: 17ms
memory: 57752kb
input:
4 2 1 2 2 1 5 2 4 1 5 3 2 4 1 5 3 5 1 2 3 4 5 5 4 3 2 1 8 5 8 3 4 2 7 1 6 4 6 3 8 5 1 2 7
output:
2 0 5 0 0 0 0 2 2 2 2 0 5 5 2 2 1 0 0 0
result:
ok 20 numbers
Test #2:
score: -100
Time Limit Exceeded
input:
66664 7 4 2 6 5 7 1 3 6 5 3 1 4 7 2 10 6 8 10 7 5 1 4 3 9 2 5 10 3 8 6 7 2 9 1 4 9 3 2 4 8 7 6 9 1 5 8 1 2 9 6 7 4 3 5 10 4 3 9 6 7 2 10 1 8 5 3 5 4 1 2 7 10 9 6 8 5 3 4 1 2 5 5 1 3 2 4 5 2 4 3 5 1 2 3 1 4 5 6 2 6 1 3 4 5 6 4 5 1 3 2 10 10 1 2 7 5 8 4 3 9 6 9 4 2 3 6 1 7 8 5 10 5 1 2 4 5 3 4 1 2 5 3...
output:
4 4 2 2 1 0 0 5 6 3 2 2 1 0 0 0 0 5 6 3 2 1 0 0 0 0 4 4 4 3 2 1 0 0 0 0 5 3 0 0 0 2 2 2 2 0 3 3 3 1 0 0 5 7 4 2 1 0 0 0 0 0 5 2 0 0 0 6 3 0 0 0 0 3 3 2 0 0 5 4 2 1 0 0 0 3 2 3 1 0 0 4 6 3 0 0 0 0 3 4 3 2 1 0 0 3 2 2 2 2 2 2 1 0 4 5 3 1 0 0 0 3 4 3 2 3 3 1 0 0 0 8 5 0 0 0 0 0 0 7 8 3 1 0 0 0 0 0 0 5 ...