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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#386645#7782. Ursa MinorxlwangWA 526ms15508kbC++144.9kb2024-04-11 19:01:222024-04-11 19:01:22

Judging History

你现在查看的是最新测评结果

  • [2024-04-11 19:01:22]
  • 评测
  • 测评结果:WA
  • 用时:526ms
  • 内存:15508kb
  • [2024-04-11 19:01:22]
  • 提交

answer

#include<bits/stdc++.h>
#define fr(i,j,k) for(register int i=j;i<=k;++i)
#define rf(i,j,k) for(register int i=j;i>=k;--i)
#define foredge(i,j) for(register int i=head[j];i;i=e[i].nxt)
#define pb push_back
#define Times printf("Time:%.3lf\n",clock()/CLOCKS_PER_SEC)
using namespace std;
inline int read(){
	int x=0;
	bool f=0;
	char c=getchar();
	while(!isdigit(c)) f|=(c=='-'),c=getchar();
	while(isdigit(c)) x=(x<<3)+(x<<1)+(c^48),c=getchar();
	return f?-x:x;
}
inline void write(int x){
    if(x<0){putchar('-');x=-x;}
    if(x>9)write(x/10);
    putchar(x%10+'0');
}
inline void writeln(int x){write(x); puts("");}
inline void writepl(int x){write(x); putchar(' ');}
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
inline int randfind(int l,int r){return rnd()%(r-l+1)+l;}
//inline void init(){
//	int t=read();
//	while(t--) work();
//}
const int Maxn=2e5+10,B=450,mod=1e9+7,base=1331,Maxb=460;
inline int ksm(int x,int y=mod-2){
    int sum=1;
    while(y){
        if(y&1) sum=1ll*sum*x%mod;
        y=y/2;x=1ll*x*x%mod;
    }
    return sum;
}
int n,q;
namespace GCD{
    int lg[Maxn];
    inline int gcd(int x,int y){
        if(y==0) return x;
        return gcd(y,x%y);
    }
    int ln;
    int a[Maxn],f[Maxn][21];
    inline void init(){
        lg[0]=-1;
        fr(i,1,ln) lg[i]=lg[i/2]+1;
        fr(i,1,ln) f[i][0]=a[i];
        fr(j,1,lg[ln]) fr(i,1,ln){
            if(i+(1<<j)-1>ln) break;
            f[i][j]=gcd(f[i][j-1],f[i+(1<<(j-1))][j-1]);
        }
    }
    inline int getgcd(int l,int r){
        int ln=lg[r-l+1];
        return gcd(f[l][ln],f[r-(1<<ln)+1][ln]);
    }
}
namespace bit{
    int s[Maxn];
    inline int lowbit(int x){return x&(-x);}
    inline void update(int x,int k){
        while(x<=n) s[x]+=k,x+=lowbit(x);
    }
    inline int query(int x){
        int ans=0;
        while(x) ans+=s[x],x-=lowbit(x);
        return ans;
    }
    inline int getans(int l,int r){
        return (query(r)-query(l-1)+mod)%mod;
    }
}
inline void add(int &x,int y){
    x+=y;if(x>=mod) x-=mod;
}
int a[Maxn];
int id[Maxn];
int bl[Maxn],br[Maxn];
int nod;
namespace ALL{
    int pre[Maxn],s[Maxb];
    int a[Maxn];
    inline void update(int x,int k){
        int now=1ll*(k-a[x]+mod)%mod;
        fr(i,id[x],nod) add(s[i],now);
        fr(i,x,br[id[x]]) add(pre[i],now);
        a[x]=k;
    }
    inline int query(int x){
        if(x<=0) return 0;
        return (s[id[x]-1]+pre[x])%mod;
    }
}
struct BLOCK{
    int s[Maxn];
    int S[Maxb];
    int a[Maxn];
    inline void update(int x,int k){
        // cout<<x<<' '<<a[x]<<' '<<k<<endl;
        S[id[x]]=1ll*(S[id[x]]-a[x]+k+mod)%mod;
        s[x]=k;a[x]=k;
    }
    inline int query(int x){
        int ans=0;
        fr(i,1,id[x]-1) add(ans,S[i]);
        fr(i,bl[id[x]],x) add(ans,s[i]);
        return ans;
    }
}block[Maxb];
int ipw[Maxn];
int s[Maxn];
int pw[Maxn];
inline void init(){
    n=read();GCD::ln=read();q=read();
    fr(i,1,n) a[i]=read();
    fr(i,1,GCD::ln) GCD::a[i]=read();
    GCD::init();
    fr(i,1,n){
        id[i]=(i-1)/B+1;
        if(!bl[id[i]]) bl[id[i]]=i;
        br[id[i]]=i;
    }
    pw[0]=ipw[0]=1;s[0]=1;
    fr(i,1,n) pw[i]=1ll*pw[i-1]*base%mod,ipw[i]=ksm(pw[i]);
    fr(i,1,n) s[i]=pw[i],add(s[i],s[i-1]);
    nod=id[n];
    fr(i,1,B) fr(j,1,n) block[i].update(j,1ll*pw[j%i]*a[j]%mod);
    fr(i,1,n) bit::update(i,a[i]);
    fr(i,1,n) ALL::update(i,1ll*pw[i]*a[i]%mod);
}
inline void work(){
    char ch[2];
    while(q--){
        scanf("%s",ch+1);
        if(ch[1]=='U'){
            int x,k;
            x=read();k=read();
            bit::update(x,(k-a[x]+mod)%mod);
            fr(i,1,B) block[i].update(x,1ll*pw[x%i]*k%mod);
            ALL::update(x,1ll*pw[x]*k%mod);a[x]=k;
        }
        else {
            int l,r,ll,rr;
            l=read();r=read();ll=read();rr=read();
            int k=GCD::getgcd(ll,rr);k=GCD::gcd(k,(r-l+1));
            // cout<<l<<' '<<r<<' '<<k<<endl;
            int s1;s1=1ll*bit::getans(l,r)*ksm(k)%mod*s[k-1]%mod;
            int s2=0;
            // cout<<s1<<endl;
            if(k<=B) s2=(block[k].query(r)-block[k].query(l-1)+mod)%mod;
            else {
                fr(i,0,n/k){
                    int nowl,nowr;
                    nowl=i*k,nowr=(i+1)*k-1;
                    nowl=max(nowl,l);nowr=min(nowr,r);
                    if(nowl>nowr) continue;
                    int now;now=(ALL::query(nowr)-ALL::query(nowl-1)+mod)%mod;
                    add(s2,1ll*now*ipw[i*k]%mod);
                }
                cout<<"**"<<endl;
            }
            // cout<<k<<' '<<s1<<' '<<s2<<endl;
            if(s1==s2) puts("Yes");
            else puts("No");
        }
    }
}
signed main(){
	// freopen("input.in","r",stdin);
	// freopen("output.out","w",stdout);
    init();work();
    // printf("\nTIME:%.3lf",(double)clock()/CLOCKS_PER_SEC);
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 8296kb

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: 0ms
memory: 8028kb

input:

1 1 1
0
1
Q 1 1 1 1

output:

Yes

result:

ok "Yes"

Test #3:

score: -100
Wrong Answer
time: 526ms
memory: 15508kb

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:

wrong answer 135th words differ - expected: 'Yes', found: 'No'