QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#578687 | #8338. Quad Kingdoms Chess | Okuchiri | WA | 92ms | 9964kb | C++20 | 2.7kb | 2024-09-20 20:49:03 | 2024-09-20 20:49:04 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
#define mod 1000000007
using namespace std;
ll ksm(ll x,ll y)
{
ll res=1;
while(y)
{
if(y&1)res=res*x%mod;
x=x*x%mod;
y=y/2;
}
return res;
}
ll n,m,bas1,bas2;
ll mx[400010][2];
ll cnt[400010][2];
ll hsh1[400010][2];
ll hsh2[400010][2];
ll count(ll now,ll l,ll r,ll k,ll t)
{
if(l==r)
{
return mx[now][t]>=k;
}
ll mid=(l+r)/2;
if(mx[now*2][t]<k)return count(now*2+1,mid+1,r,k,t);
return cnt[now][t]-cnt[now*2][t]+count(now*2,l,mid,k,t);
}
ll geths1(ll now,ll l,ll r,ll k,ll t)
{
if(l==r)
{
if(mx[now][t]>=k)return mx[now][t];
return 0;
}
ll mid=(l+r)/2;
if(mx[now*2][t]<k)return geths1(now*2+1,mid+1,r,k,t);
ll h=count(now*2,l,mid,k,t);
return ((hsh1[now][t]-hsh1[now*2][t]+mod)%mod*ksm(ksm(bas1,cnt[now*2][t]),mod-2)%mod*ksm(bas1,h)%mod+geths1(now*2,l,mid,k,t))%mod;
}
ll geths2(ll now,ll l,ll r,ll k,ll t)
{
if(l==r)
{
if(mx[now][t]>=k)return mx[now][t];
return 0;
}
ll mid=(l+r)/2;
if(mx[now*2][t]<k)return geths1(now*2+1,mid+1,r,k,t);
ll h=count(now*2,l,mid,k,t);
return ((hsh2[now][t]-hsh2[now*2][t]+mod)%mod*ksm(ksm(bas2,cnt[now*2][t]),mod-2)%mod*ksm(bas2,h)%mod+geths2(now*2,l,mid,k,t))%mod;
}
void change(ll now,ll l,ll r,ll k,ll x,ll t)
{
if(l==r)
{
mx[now][t]=x;
cnt[now][t]=1;
hsh1[now][t]=x;
hsh2[now][t]=x;
return;
}
ll mid=(l+r)/2;
if(k<=mid)change(now*2,l,mid,k,x,t);
else change(now*2+1,mid+1,r,k,x,t);
mx[now][t]=max(mx[now*2][t],mx[now*2+1][t]);
cnt[now][t]=cnt[now*2][t]+count(now*2+1,mid+1,r,mx[now*2][t],t);
hsh1[now][t]=(hsh1[now*2][t]+ksm(bas1,cnt[now*2][t])*geths1(now*2+1,mid+1,r,mx[now*2][t],t)%mod)%mod;
hsh2[now][t]=(hsh2[now*2][t]+ksm(bas2,cnt[now*2][t])*geths2(now*2+1,mid+1,r,mx[now*2][t],t)%mod)%mod;
}
signed main()
{
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
srand(time(0));
cin>>n;
bas1=rand();
bas2=rand();
bas1=bas1*1145141ll%mod;
bas2=bas2*1145141ll%mod;
for(int i=1;i<=n;i++)
{
ll x;
cin>>x;
change(1,1,n,n-i+1,x,0);
}
cin>>m;
for(int i=1;i<=m;i++)
{
ll x;
cin>>x;
change(1,1,m,m-i+1,x,1);
}
ll q;
cin>>q;
while(q--)
{
ll opt,x,y;
cin>>opt>>x>>y;
if(opt==1)
{
change(1,1,n,n-x+1,y,0);
}
else change(1,1,m,m-x+1,y,1);
if(hsh1[1][0]==hsh1[1][1]&&hsh2[1][0]==hsh2[1][1])cout<<"YES\n";
else cout<<"NO\n";
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 9964kb
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: 0
Accepted
time: 64ms
memory: 9800kb
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 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 NO NO N...
result:
ok 200000 tokens
Test #3:
score: 0
Accepted
time: 63ms
memory: 9796kb
input:
6 2 1 1 2 1 2 1 1 200000 2 1 1 1 1 2 1 1 1 2 1 2 2 1 1 2 1 1 2 1 2 2 1 2 1 1 2 1 3 1 1 6 2 1 5 2 1 4 2 1 3 1 2 1 2 1 4 2 1 4 2 2 1 2 2 1 2 1 3 1 1 6 1 1 1 2 2 1 1 1 6 1 1 3 1 1 5 2 1 6 2 1 5 2 2 1 2 1 2 1 1 5 2 2 1 1 2 1 1 1 6 1 2 1 2 2 1 1 1 3 2 2 1 1 1 6 1 1 4 2 1 2 1 1 1 1 2 1 1 1 2 1 1 6 2 1 6 2...
output:
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 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:
ok 200000 tokens
Test #4:
score: 0
Accepted
time: 92ms
memory: 9768kb
input:
6 1 3 1 2 1 2 6 2 1 3 3 3 1 200000 2 4 2 1 2 1 1 6 2 2 3 2 1 1 1 1 6 2 1 6 2 1 3 2 2 6 1 2 4 3 1 1 2 2 5 2 2 6 2 2 3 1 1 4 3 1 3 1 2 5 2 2 4 2 2 1 3 1 1 1 2 2 2 2 4 2 1 5 3 1 6 3 2 6 3 1 5 3 2 5 3 2 4 1 2 4 2 1 1 2 1 6 1 2 6 1 1 2 3 1 1 3 1 1 1 2 6 3 2 4 1 1 4 2 2 2 1 1 3 1 1 1 3 1 1 3 1 4 3 1 3 3 2...
output:
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 YES YES YES YES NO 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 NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO N...
result:
ok 200000 tokens
Test #5:
score: 0
Accepted
time: 40ms
memory: 9804kb
input:
4 1 1 2 2 1 1 200000 2 1 2 1 1 3 1 2 1 2 1 2 2 1 2 2 1 3 2 1 1 2 1 1 1 4 2 2 1 3 1 3 1 1 2 1 1 3 2 2 1 1 1 4 2 2 1 1 2 1 2 1 1 1 2 1 2 2 1 1 1 4 1 1 2 2 2 1 1 1 1 1 1 4 3 2 1 3 1 1 3 2 1 2 1 2 1 2 1 1 2 1 1 2 1 1 2 1 3 2 1 2 1 2 3 2 1 3 1 3 3 2 1 1 1 2 3 2 1 2 1 1 2 2 1 2 2 1 3 1 2 1 1 4 3 2 1 2 2 1...
output:
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 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 NO YES NO NO NO NO YES NO NO NO NO YES YES NO NO NO NO NO NO NO NO NO N...
result:
ok 200000 tokens
Test #6:
score: 0
Accepted
time: 41ms
memory: 9800kb
input:
2 4 2 4 2 3 3 2 200000 1 1 2 1 2 2 1 2 2 1 2 4 1 1 2 1 2 4 2 2 1 1 1 3 2 3 2 2 3 1 2 2 4 2 3 2 2 2 1 1 1 4 1 2 4 2 2 1 1 1 2 2 1 2 2 4 4 1 2 4 1 2 3 2 4 4 2 3 1 2 1 3 2 3 1 2 2 1 1 1 2 2 2 1 1 2 3 1 2 2 1 2 1 1 2 4 1 2 4 1 1 3 1 1 4 2 1 3 1 1 1 1 2 4 2 1 2 2 3 4 1 2 4 2 2 1 1 2 1 2 3 2 1 2 3 2 3 3 1...
output:
NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES YES NO NO NO NO NO NO NO NO NO NO NO YES YES YES NO NO 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 NO NO NO NO NO NO NO NO N...
result:
ok 200000 tokens
Test #7:
score: 0
Accepted
time: 72ms
memory: 9788kb
input:
7 3 3 4 1 1 3 3 5 3 3 2 1 4 200000 2 2 1 2 2 1 2 5 1 1 6 1 1 5 2 2 1 4 1 4 2 1 6 4 1 7 1 1 2 3 2 5 1 2 5 4 1 6 2 1 5 2 1 4 1 1 2 1 2 2 2 1 3 4 1 7 2 1 6 3 2 5 1 1 5 1 1 7 3 2 1 3 2 3 1 1 3 2 2 2 2 1 7 4 2 1 4 1 3 2 1 1 2 1 5 3 1 5 3 2 2 2 1 5 3 2 5 3 2 3 2 1 1 3 1 2 2 2 2 1 2 1 4 2 1 2 1 3 4 2 1 1 1...
output:
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 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 YES NO NO NO NO NO NO NO NO NO NO NO NO NO...
result:
ok 200000 tokens
Test #8:
score: 0
Accepted
time: 50ms
memory: 9800kb
input:
1 3 7 4 4 5 5 5 5 4 200000 2 2 4 2 6 4 1 1 4 2 6 4 2 1 3 2 2 3 2 1 3 1 1 5 1 1 5 2 3 5 1 1 4 1 1 4 2 6 5 2 5 1 2 1 2 2 7 2 1 1 5 2 4 5 1 1 2 1 1 3 2 4 2 2 1 3 1 1 3 2 1 1 1 1 1 2 3 1 1 1 4 1 1 5 1 1 1 2 5 2 2 7 3 1 1 5 2 6 4 1 1 4 2 7 4 2 3 3 2 3 1 1 1 3 1 1 3 2 4 4 1 1 4 1 1 2 1 1 1 2 3 1 2 1 1 1 1...
output:
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 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:
ok 200000 tokens
Test #9:
score: -100
Wrong Answer
time: 71ms
memory: 9836kb
input:
8 3 1 2 2 1 4 4 4 3 1 4 4 200000 1 2 1 1 5 1 2 1 1 2 1 1 2 2 2 2 3 1 1 5 5 1 6 2 1 2 5 1 3 1 1 5 1 2 1 5 2 1 2 1 4 4 2 3 3 1 4 3 2 2 2 2 3 1 1 6 4 1 1 3 1 2 3 2 2 5 2 3 3 2 1 3 2 3 4 2 1 4 2 2 5 2 2 4 2 2 2 1 3 1 1 8 2 2 2 3 1 2 2 1 1 2 1 1 1 1 3 1 2 1 3 2 2 3 1 6 2 2 2 4 1 6 3 2 1 1 1 1 4 2 1 4 2 1...
output:
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 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 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 19732nd words differ - expected: 'YES', found: 'NO'