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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#578665#8338. Quad Kingdoms ChessOkuchiriWA 87ms9928kbC++202.7kb2024-09-20 20:43:202024-09-20 20:43:21

Judging History

你现在查看的是最新测评结果

  • [2024-09-20 20:43:21]
  • 评测
  • 测评结果:WA
  • 用时:87ms
  • 内存:9928kb
  • [2024-09-20 20:43:20]
  • 提交

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";
    }
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 9920kb

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: 59ms
memory: 9916kb

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: 9864kb

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: 87ms
memory: 9928kb

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 31538th words differ - expected: 'YES', found: 'NO'