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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#578624#8338. Quad Kingdoms ChessOkuchiriWA 89ms9940kbC++202.7kb2024-09-20 20:30:092024-09-20 20:30:09

Judging History

你现在查看的是最新测评结果

  • [2024-09-20 20:30:09]
  • 评测
  • 测评结果:WA
  • 用时:89ms
  • 内存:9940kb
  • [2024-09-20 20:30:09]
  • 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: 2ms
memory: 9940kb

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: 60ms
memory: 9864kb

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: 9924kb

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: 89ms
memory: 9852kb

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'