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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#534454 | #8338. Quad Kingdoms Chess | training_233 | WA | 6ms | 18940kb | C++14 | 2.1kb | 2024-08-27 10:40:36 | 2024-08-27 10:40:37 |
Judging History
answer
#include<bits/stdc++.h>
#define For(i,a,b) for(int i=(a),i##END=(b);i<=i##END;i++)
#define Rof(i,b,a) for(int i=(b),i##END=(a);i>=i##END;i--)
#define go(u) for(int i=head[u];i;i=nxt[i])
#define int long long
using namespace std;
inline int read(){
int x=0,f=1;
char ch=getchar();
while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
while(ch>='0'&&ch<='9'){x=(x<<1)+(x<<3)+(ch^48);ch=getchar();}
return x*f;
}
const int N=1e5+10,p1=998244353,p2=147744151,base=114514123;
struct node{
int len,h1,h2;
bool operator == (const node &x) const{
return len==x.len&&h1==x.h1&&h2==x.h2;
}
};
int n1,n2,q;
int pw1[N],pw2[N];
int a1[N],a2[N];
struct Tree{
#define ls (k<<1)
#define rs (k<<1|1)
int mx[N<<2],len[N<<2];
node H[N<<2];
node calc(int k,int l,int r,int pre){
if(l==r)return (node){mx[k]>=pre,mx[k]>=pre?mx[k]:0,mx[k]>=pre?mx[k]:0};
int m=l+r>>1;
if(mx[ls]<=pre)return calc(rs,m+1,r,pre);
else{
node o=calc(ls,l,m,pre),ret;
ret.len=o.len+len[k]-len[ls];
ret.h1=(o.h1*pw1[len[k]-len[ls]]+H[rs].h1)%p1;
ret.h2=(o.h2*pw2[len[k]-len[ls]]+H[rs].h2)%p2;
return ret;
}
}
void up(int k,int l,int r){
int m=l+r>>1;
mx[k]=max(mx[ls],mx[rs]);
node o=calc(rs,m+1,r,mx[ls]);
len[k]=len[ls]+o.len;
H[k].h1=(H[ls].h1*pw1[o.len]+o.h1)%p1;
H[k].h2=(H[ls].h2*pw2[o.len]+o.h2)%p2;
}
void build(int k,int l,int r,int* a){
if(l==r)return mx[k]=H[k].h1=H[k].h2=a[l],len[k]=1,void();
int m=l+r>>1;
build(ls,l,m,a),build(rs,m+1,r,a);
up(k,l,r);
}
void mdf(int k,int l,int r,int x,int v){
if(l==r)return mx[k]=v,H[k].h1=H[k].h2=v,void();
int m=l+r>>1;
x<=m?mdf(ls,l,m,x,v):mdf(rs,m+1,r,x,v);
up(k,l,r);
}
}T1,T2;
signed main(){
pw1[0]=pw2[0]=1;
For(i,1,N-1)
pw1[i]=pw1[i-1]*base%p1,
pw2[i]=pw2[i-1]*base%p2;
For(i,1,n1=read())a1[i]=read();
reverse(a1+1,a1+1+n1);
T1.build(1,1,n1,a1);
For(i,1,n2=read())a2[i]=read();
reverse(a2+1,a2+1+n2);
T2.build(1,1,n2,a2);
q=read();
while(q--){
int op=read(),x=read(),y=read();
if(op==1)T1.mdf(1,1,n1,n1-x+1,y);
else T2.mdf(1,1,n2,n2-x+1,y);
puts(T1.H[1]==T2.H[1]?"YES":"NO");
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 17420kb
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: 6ms
memory: 18940kb
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:
NO NO NO NO YES YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO 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 NO NO NO NO NO NO NO NO...
result:
wrong answer 46th words differ - expected: 'NO', found: 'YES'