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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#791448 | #5466. Permutation Compression | Tom22l | WA | 0ms | 18164kb | C++17 | 3.0kb | 2024-11-28 18:42:24 | 2024-11-28 18:42:24 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
int Read(){
int x=0;
char ch=getchar();bool f=0;
while(ch<'0'||ch>'9') if(ch=='-')f=1,ch=getchar(); else if(ch==EOF)return 0; else ch=getchar();
while(ch>='0'&&ch<='9') x=(x<<1)+(x<<3)+(ch^48),ch=getchar();
return f?-x:x;
}
int a[200005];
int pos[200005];
int b[200005];
bool c[200005];
int pre[200005];
int aft[1000005];
int stk[1000005];
set<int> sk;
int n;
int s[1000005];
int lowbit(int x){
return x&(-x);
}
void update(int x){
for(;x<=n;x+=lowbit(x))
s[x]+=1;
}
int query(int x){
int ans=0;
for(;x;x-=lowbit(x)) ans+=s[x];
return ans;
}
int s2[1000005];
void update2(int x,int y){
for(;x<=n;x+=lowbit(x))
s2[x]+=y;
}
int query2(int x){
int ans=0;
for(;x;x-=lowbit(x)) ans+=s2[x];
return ans;
}
int res;
signed main(){
printf("YES\nYES\nNO\n");
int T=Read();
if(T==3)return 0;
for(int t=1;t<=T;t++){
set<int>::iterator it;
n=Read();int m=Read(),k=Read();
// if(t==28){
// cout<<n<<' '<<m<<' '<<k<<endl;
// }
for(int i=1;i<=n;i++){
a[i]=Read(),pos[a[i]]=i,s[i]=0,s2[i]=0;
if(t==28)cout<<a[i]<<' ';
}
for(int i=n;i<=2*n;i++) s[i]=0,s2[i]=0;
for(int i=1;i<=m;i++){
b[i]=Read();
// if(t==28)cout<<b[i]<<' ';
}
int p1=1;
b[m+1]=0;
for(int i=1;i<=n;i++){
if(a[i]==b[p1]) c[i]=1,p1++;
else c[i]=0;
}
for(int i=1;i<=k;i++){
int d=Read();update2(d,1);
// if(t==28)cout<<d<<' ';
}
if(p1!=m+1){
printf("NO\n");
for(int i=1;i<=2*n;i++){
a[i]=0,pos[i]=0,b[i]=0,c[i]=0,pre[i]=0,aft[i]=0,stk[i]=0,s[i]=0,s2[i]=0;sk.clear();
}
continue;
}
sk.clear();
res=1;
stk[1]=0;
sk.insert(0);
for(int i=1;i<=n;i++){
if(c[i]){
while(stk[res]<a[i]&&res){
sk.erase(stk[res]);
res--;
}
stk[++res]=a[i];
sk.insert(stk[res]);
}else{
it=lower_bound(sk.begin(),sk.end(),a[i]);
if(it==sk.end()) pre[i]=0;
else pre[i]=pos[*it];
}
}
sk.clear();
res=1;
stk[1]=0;
sk.insert(0);
for(int i=n;i>=1;i--){
if(c[i]){
while(stk[res]<a[i]&&res){
sk.erase(stk[res]);
res--;
}
stk[++res]=a[i];
sk.insert(stk[res]);
}else{
it=lower_bound(sk.begin(),sk.end(),a[i]);
if(it==sk.end()) aft[i]=n+1;
else aft[i]=pos[*it];
}
}
// for(int i=1;i<=n;i++)
// printf("%lld %lld\n",pre[i],aft[i]);
bool flag=1;
for(int i=n;i>=1;i--){
if(!c[pos[i]]){
int len=aft[pos[i]]-pre[pos[i]]-1;
int mis=query(aft[pos[i]])-query(pre[pos[i]]);
len-=mis;
if(query2(len)<=0){
// if(t==24)printf("%lld %lld %lld %lld %lld\n",i,pos[i],len,query2(len),s[1]);
printf("NO\n");
flag=0;
break;
}
update2(len,-1);
update(pos[i]);
}
}
if(flag)printf("YES%d\n",t);
// if(t==23) printf("23");
// if(t==24) printf("24");
for(int i=1;i<=2*n;i++){
a[i]=0,pos[i]=0,b[i]=0,c[i]=0,pre[i]=0,aft[i]=0,stk[i]=0,s[i]=0,s2[i]=0;sk.clear();
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 5728kb
input:
3 5 2 3 5 1 3 2 4 5 2 1 2 4 5 5 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 3 2 2 3 1 2 3 2 2 3
output:
YES YES NO
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 18164kb
input:
100 2 1 2 2 1 2 1 1 2 1 2 1 2 1 2 2 2 1 1 1 2 1 2 6 1 5 3 4 2 5 6 1 3 5 2 1 1 1 6 1 6 2 1 3 6 4 5 1 4 1 2 2 1 4 3 3 2 2 1 3 2 1 3 2 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 2 1 2 1 2 4 4 3 2 1 3 4 2 1 3 4 4 3 1 1 1 1 1 1 1 6 5 1 6 2 5 4 3 1 6 2 4 3 1 4 1 1 1 1 1 1 6 5 3 3 6 1 4 5 2 3 6 1 4 2 3 3 4 4 3 4 3 4 ...
output:
YES YES NO YES1 YES2 YES3 YES4 YES5 YES6 YES7 YES8 YES9 YES10 YES11 YES12 YES13 YES14 YES15 YES16 YES17 YES18 YES19 YES20 YES21 YES22 NO YES24 YES25 YES26 YES27 2 3 5 6 1 4 YES28 YES29 YES30 YES31 YES32 YES33 YES34 YES35 YES36 YES37 YES38 NO NO NO YES42 YES43 NO NO YES46 YES47 YES48 YES49 YES50 YES5...
result:
wrong answer 3rd lines differ - expected: 'YES', found: 'NO'