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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#369172#7782. Ursa MinorPertaWA 178ms32352kbC++143.6kb2024-03-27 21:18:532024-03-27 21:18:54

Judging History

你现在查看的是最新测评结果

  • [2024-03-27 21:18:54]
  • 评测
  • 测评结果:WA
  • 用时:178ms
  • 内存:32352kb
  • [2024-03-27 21:18:53]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef __int128 Int;
const int N=2e5+10,M=450,maxj=18;
const ll base=10457,mod=1000000000000001323ll;
int n,m,K,q,a[N],b[N],rb[N],bel[N];
int lg[N],GCD[19][N];
ll pw[N],pre[N],inv[N],s0[M][M],sum[M][M];
ll tot1[N],tot2[N];
vector<int>d[N];
inline void upd(ll &x,ll y) {x+=y;x=(x>=mod)?x-mod:x;}
inline ll add(ll x,ll y) {upd(x,y);return x;}
ll ksm(Int x,ll y)
{
    Int res=1;
    for(;y;y>>=1)
    {
        if(y&1) res=res*x%mod;
        x=x*x%mod;
    }
    return res;
}
void add(int x)
{
    for(int v:d[x]) upd(s0[v][bel[x]],a[x]);
    ll T=(Int)a[x]*pw[x]%mod;
    for(int i=x;i<=rb[bel[x]];i++) upd(tot1[i],T);
    for(int i=bel[x]+1;i<=bel[n];i++) upd(tot2[i],T);
    for(int i=1;i<=K;i++)
        upd(sum[i][bel[x]],(Int)a[x]*pw[x%i]%mod);
}
int query(int l,int r)
{
    int p=lg[r-l+1];
    return __gcd(GCD[p][l],GCD[p][r-(1<<p)+1]);
}
ll S0(int x,int l,int r)
{
    ll res=0;
    for(int i=((l-1)/x+1)*x;i<=r;i+=x) upd(res,a[i]);
    return res;
}
ll query0(int x,int l,int r)
{
    ll res=0;
    if(x<=K&&bel[l]<bel[r])
    {
        res=S0(x,l,rb[bel[l]]);
        // cerr<<res<<endl;
        for(int i=bel[l]+1;i<bel[r];i++) upd(res,s0[x][i]);
        upd(res,S0(x,rb[bel[r]-1]+1,r));
        // cerr<<res<<endl;
    }
    else res=S0(x,l,r);
    return res;
}
ll S1(int x,int l,int r)
{
    ll res=0;
    for(int i=l,j=l%x;i<=r;i++,j=(j+1==x?0:j+1)) upd(res,(Int)a[i]*pw[j]%mod);
    return res;
}
ll query2(int x) {return add(tot1[x],tot2[bel[x]]);}
ll S2(int l,int r) {return add(query2(r),mod-query2(l-1));}
int main()
{
    // freopen("a.in","r",stdin);
    // freopen("a.out","w",stdout);
    pw[0]=pre[0]=inv[0]=1;
    for(int i=2;i<N;i++) lg[i]=lg[i>>1]+1;
    for(int i=1;i<N;i++)
        pw[i]=(Int)base*pw[i-1]%mod,pre[i]=add(pw[i],pre[i-1]),inv[i]=ksm(pw[i],mod-2);
    scanf("%d%d%d",&n,&m,&q);
    K=__builtin_sqrt(n);
    for(int i=1;i<=n;i++) scanf("%d",a+i);
    for(int i=1;i<=m;i++) scanf("%d",GCD[0]+i);
    for(int i=1;i<=maxj;i++)
        for(int j=1;(1<<i)+j-1<=m;j++)
            GCD[i][j]=__gcd(GCD[i-1][j],GCD[i-1][(1<<(i-1))+j]);
    for(int i=1;i<=K;i++)
        for(int j=i;j<=n;j+=i) d[j].push_back(i);
    for(int i=1;i<=n;i++)
        bel[i]=i/K,rb[bel[i]]=i;
    // cerr<<"He "<<endl;
    // return 0;
    // cerr<<K<<endl;
    for(int i=1;i<=n;i++) add(i);
    // cerr<<"He"<<endl;
    // return 0;
    char op;
    int l,r,s,t;
    while(q--)
    {
        scanf("\n%c%d%d",&op,&l,&r);
        if(op=='U')
            a[l]=add(r,mod-a[l]),add(l),a[l]=r;
        else
        {
            scanf("%d%d",&s,&t);
            int k=__gcd(r-l+1,query(s,t));
            ll ned=(Int)query0(k,l,r)*pre[k-1]%mod,S=0;
            // cerr<<k<<" "<<ned<<endl;
            if(k<=K)
                if(bel[l]==bel[r]) S=S1(k,l,r);
                else
                {
                    S=S1(k,l,rb[bel[l]]);
                    // cerr<<S<<endl;
                    for(int i=bel[l]+1;i<bel[r];i++) upd(S,sum[k][i]);
                    // cerr<<S<<endl;
                    upd(S,S1(k,rb[bel[r]-1]+1,r));
                }
            else
            {
                if(l/k==r/k)
                    S=(Int)S2(l,r)*inv[l/k*k]%mod;
                else
                {
                    S=(Int)S2(l,((l-1)/k+1)*k-1)*inv[l/k*k]%mod;
                    for(int i=((l-1)/k+1)*k,j=i;i<=r;i+=k)
                        upd(S,(Int)S2(i,min(r,i+k-1))*inv[i]%mod);
                }
            }
            puts(ned==S?"Yes":"No");
        }
        // return 0;
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 99ms
memory: 21592kb

input:

6 4 5
1 1 4 5 1 4
3 3 2 4
Q 1 5 1 2
Q 2 5 3 4
U 5 2
Q 1 6 1 2
Q 2 5 3 4

output:

Yes
No
No
Yes

result:

ok 4 tokens

Test #2:

score: 0
Accepted
time: 102ms
memory: 19924kb

input:

1 1 1
0
1
Q 1 1 1 1

output:

Yes

result:

ok "Yes"

Test #3:

score: 0
Accepted
time: 178ms
memory: 26032kb

input:

2000 2000 200000
1 1 2 0 0 2 0 2 0 0 0 0 0 2 2 1 2 0 0 2 2 2 1 0 1 2 1 2 0 0 1 1 1 2 0 0 2 2 2 2 0 2 0 0 2 1 2 0 0 1 2 2 1 0 2 0 0 0 1 2 2 1 2 2 0 0 1 1 1 0 0 2 0 0 1 1 0 2 2 2 1 0 0 1 0 1 2 2 2 1 1 2 2 1 2 1 0 2 2 3 1 3 2 3 1 0 1 2 0 1 1 1 0 2 2 3 2 0 3 2 3 3 1 2 3 1 2 0 1 0 3 1 0 0 2 0 1 2 1 3 2 2...

output:

Yes
Yes
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
No
Yes
No
No
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No...

result:

ok 100554 tokens

Test #4:

score: 0
Accepted
time: 158ms
memory: 31592kb

input:

1 200000 200000
998244353
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
...

result:

ok 100240 tokens

Test #5:

score: -100
Wrong Answer
time: 153ms
memory: 32352kb

input:

6 131072 200000
0 0 0 0 1000000000 1000000000
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 ...

output:

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
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
Yes
No
Yes
No
No
No
No
No
...

result:

wrong answer 7th words differ - expected: 'Yes', found: 'No'