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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#545056 | #8338. Quad Kingdoms Chess | pengpeng_fudan# | WA | 25ms | 7936kb | C++23 | 2.7kb | 2024-09-02 22:24:14 | 2024-09-02 22:24:14 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ull=unsigned long long;
using ll=long long;
ull pw[100010];ull q=1331;
struct ash{
ull hsh;int num;
ash operator*(int x){
return {hsh*pw[x],num};
}
ash operator+(ash a){
return {hsh+(a*num).hsh,num+a.num};
}
ash operator-(ash a){
return {hsh-(a*(num-a.num)).hsh,num-a.num};
}
void intt(int x){
hsh=x,num=1;
}
};
ash ept(){
return {0,0};
}
struct seg{
struct node{
ash h;int mx;
}tr[400010];
int n;
void intt(int sz,vector<int>& t){
n=sz;
build(1,1,n,t);
}
void pushup1(int p){
tr[p].mx=max(tr[p<<1].mx,tr[p<<1|1].mx);
}
ash pushup2(int p,int l,int r,int len){
if(l==r){
if(tr[p].mx<=len) return ept();
else return tr[p].h;
}
int mid=(l+r)>>1;
if(tr[p<<1|1].mx>len){
return tr[p].h-tr[p<<1|1].h+pushup2(p<<1|1,mid+1,r,len);
}
else return pushup2(p<<1,l,mid,len);
}
ash get(int p,int l,int r){
int mid=(l+r)>>1;
return ((tr[p<<1].mx<=tr[p<<1|1].mx?ept():pushup2(p<<1,l,mid,tr[p<<1|1].mx)))+tr[p<<1|1].h;
}
void build(int p,int l,int r,vector<int>& t){
if(l==r) {tr[p].h.intt(t[l]);tr[p].mx=t[l];return ;}
int mid=(l+r)>>1;
build(p<<1,l,mid,t);build(p<<1|1,mid+1,r,t);
pushup1(p);
tr[p].h=get(p,l,r);
//cerr<<(ept()+tr[p<<1|1].h).hsh<<' '<<l<<' '<<r<<'\n';
}
void modify(int p,int l,int r,int pz,int num){
if(l==r) {tr[p].h.intt(num);tr[p].mx=num;return ;}
int mid=(l+r)>>1;
if(mid>=pz) modify(p<<1,l,mid,pz,num);
else modify(p<<1|1,mid+1,r,pz,num);
pushup1(p);tr[p].h=get(p,l,r);
}
void modify(int pz,int num){
modify(1,1,n,pz,num);
}
ull query(){
return tr[1].h.hsh;
}
};
seg s1,s2;
void solve() {
int n1;
cin>>n1;
vector<int> v1(n1+1);
for(int i=1;i<=n1;i++) cin>>v1[i];
int n2;
cin>>n2;
vector<int> v2(n2+1);
for(int i=1;i<=n2;i++) cin>>v2[i];
s1.intt(n1,v1);
s2.intt(n2,v2);
//cerr<<s1.query()<<' '<<s2.query()<<'\n';
int m;
cin>>m;
for(int i=1;i<=m;i++){
int o,x,y;
cin>>o>>x>>y;
if(o==1) s1.modify(x,y);
else s2.modify(x,y);
//cout<<s1.query()<<' '<<s2.query()<<' '<<i<<'\n';
if(s1.query()==s2.query()) cout<<"YES\n";
else cout<<"NO\n";
}
}
int main() {
ios::sync_with_stdio(0),cin.tie(0);
int _ = 1;
pw[0]=1;
for(int i=1;i<=100000;i++) pw[i]=pw[i-1]*q;
//cin >> _;
while(_--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 7936kb
input:
5 1 2 3 4 5 5 5 4 3 2 1 8 1 1 5 1 4 2 1 2 4 1 5 1 1 5 5 2 1 4 2 3 5 2 5 5
output:
NO NO NO YES NO NO NO YES
result:
ok 8 tokens
Test #2:
score: -100
Wrong Answer
time: 25ms
memory: 6392kb
input:
1 2 6 2 1 1 1 1 1 200000 2 6 2 1 1 1 1 1 1 1 1 2 2 1 1 1 1 2 1 1 1 2 4 1 2 1 2 1 1 1 1 1 2 2 5 1 1 1 1 1 1 2 1 1 1 2 6 1 1 1 2 1 1 2 1 1 2 2 3 1 1 1 1 2 1 1 2 6 2 1 1 2 2 4 1 1 1 2 2 6 1 1 1 2 1 1 1 2 5 2 2 6 2 1 1 1 2 4 2 2 5 2 2 6 2 1 1 1 2 5 1 2 6 2 1 1 2 1 1 1 1 1 1 2 4 1 1 1 2 1 1 2 1 1 2 2 3 2...
output:
YES NO NO YES YES YES NO NO NO NO YES YES NO YES NO NO NO NO NO NO NO YES NO YES YES YES NO NO YES NO NO NO NO NO NO NO NO NO YES NO NO NO YES YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO...
result:
wrong answer 1st words differ - expected: 'NO', found: 'YES'