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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#101737 | #4802. Ternary Search | themoon | WA | 1ms | 11548kb | C++14 | 2.8kb | 2023-04-30 22:57:18 | 2023-04-30 22:57:20 |
Judging History
answer
#include<cstdio>
typedef long long LL;
const int N=5e5+5;
const int INF=1e9;
int n,a[N],t;
int cnt[N<<2],mn[N<<2],mnid[N<<2],tag[N<<2];
inline int Read(){
char ch;
int f=1;
while((ch=getchar())<'0'||ch>'9')
if(ch=='-') f=-1;
int x=ch^48;
while((ch=getchar())>='0'&&ch<='9')
x=(x<<3)+(x<<1)+(ch^48);
return x*f;
}
inline void print(LL x){
if(x>=10) print(x/10);
putchar(x%10+48);
return ;
}
inline void Print(LL x,char ch='\n'){
if(x<0){
putchar('-');
print(-x);
}
else print(x);
putchar(ch);
return ;
}
inline void Init(){
n=Read();
t=1;
for(int i=1;i<=n;i++)
a[i]=Read();
return ;
}
inline void Update(int u){
cnt[u]=cnt[u<<1]+cnt[u<<1|1];
if(mn[u<<1]<mn[u<<1|1]){
mn[u]=mn[u<<1];
mnid[u]=mnid[u<<1];
}
else{
mn[u]=mn[u<<1|1];
mnid[u]=mnid[u<<1|1];
}
return ;
}
inline void Build(int u,int ll,int rr){
cnt[u]=0;
mn[u]=INF;
if(ll==rr) return ;
int mid=ll+rr>>1;
Build(u<<1,ll,mid);
Build(u<<1|1,mid+1,rr);
return ;
}
inline void Add(int u,int val){
mn[u]+=val;
tag[u]+=val;
return ;
}
inline void PushDown(int u){
if(!tag[u]) return ;
Add(u<<1,tag[u]);
Add(u<<1|1,tag[u]);
tag[u]=0;
return ;
}
inline void Add(int u,int ll,int rr,int p,int val){
if(ll==rr){
cnt[u]=1;
mn[u]=val;
mnid[u]=p;
return ;
}
PushDown(u);
int mid=ll+rr>>1;
if(mid>=p) Add(u<<1,ll,mid,p,val);
else Add(u<<1|1,mid+1,rr,p,val);
return Update(u);
}
inline void Del(int u,int ll,int rr,int p){
if(ll==rr){
cnt[u]=0;
mn[u]=INF;
mnid[u]=0;
return ;
}
PushDown(u);
int mid=ll+rr>>1;
if(mid>=p) Del(u<<1,ll,mid,p);
else Del(u<<1|1,mid+1,rr,p);
return Update(u);
}
LL nowans;
inline void Modify(int u,int ll,int rr,int ql,int qr){
if(ll>=ql&&rr<=qr){
nowans+=cnt[u];
return Add(u,-1);
}
PushDown(u);
int mid=ll+rr>>1;
if(mid>=ql) Modify(u<<1,ll,mid,ql,qr);
if(mid<qr) Modify(u<<1|1,mid+1,rr,ql,qr);
return Update(u);
}
inline int Lowbit(int x){
return x&(-x);
}
struct BIT{
int c[N];
inline void Change(int x){
for(int i=x;i;i-=Lowbit(i))
c[i]++;
return ;
}
inline int Query(int x){
int ss=0;
for(int i=x;i<=n;i+=Lowbit(i))
ss+=c[i];
return ss;
}
}bit;
LL ans[N];
inline void Solve(){
Build(1,1,n);
for(int i=1;i<=n;i++){
Modify(1,1,n,1,a[i]);
int cnt=bit.Query(a[i]);
bit.Change(a[i]);
Add(1,1,n,a[i],cnt);
while(!mn[1]) Del(1,1,n,mnid[1]);
ans[i]=nowans;
}
if(!t) return Print(ans[n]);
for(int i=1;i<=n;i++)
Print(ans[i]);
return ;
}
#include<ctime>
int main(){
//freopen("seq.in","r",stdin);
//freopen("seq.out","w",stdout);
//#define LOCAL
#ifdef LOCAL
int st=clock();
#endif
Init();
Solve();
#ifdef LOCAL
int en=clock();
printf("cost %d ms\n",en-st);
#endif
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 11548kb
input:
9 11 4 5 14 1 9 19 8 10
output:
0 0 1 2 2 3 4 5 7
result:
wrong answer 3rd numbers differ - expected: '0', found: '1'