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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#578630 | #8338. Quad Kingdoms Chess | Okuchiri | WA | 85ms | 9944kb | C++20 | 2.7kb | 2024-09-20 20:31:12 | 2024-09-20 20:31:13 |
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])*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])*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";
}
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 9844kb
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: 61ms
memory: 9868kb
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: 57ms
memory: 9868kb
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: -100
Wrong Answer
time: 85ms
memory: 9944kb
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:
wrong answer 2135th words differ - expected: 'NO', found: 'YES'