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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#290924 | #7839. 虹 | zhouhuanyi | 0 | 849ms | 65316kb | C++20 | 3.8kb | 2023-12-25 21:09:56 | 2023-12-25 21:09:57 |
Judging History
answer
#include<iostream>
#include<cstdio>
#include<vector>
#include<bitset>
#include<cmath>
#define N 80000
#define M 512
using namespace std;
const int sz=512;
int read()
{
char c=0;
int sum=0;
while (c<'0'||c>'9') c=getchar();
while ('0'<=c&&c<='9') sum=sum*10+c-'0',c=getchar();
return sum;
}
int n,q,sl,sr,leng,block[N+1],depth[N+1],ans[N+1],lg[N+1],st[N+1],tong[N+1],length,op[N+1],lc[N+1],l[N+1],r[N+1],u[N+1],fa[N+1][21];
bool z[N+1],nprime[N+1],used[N+1];
vector<int>E[N+1];
vector<int>p[N+1];
bitset<M+1>B[N+1];
bitset<M+1>S[N+1];
bitset<M+1>rst;
bitset<M+1>dst;
bitset<M+1>DP[M+1][M+1];
bitset<M+1>delta[N+1];
bitset<M+1>delta2[N+1];
bitset<M+1>num[N+1];
void add(int x,int y)
{
E[x].push_back(y),E[y].push_back(x);
return;
}
void dfs(int x)
{
st[++leng]=x,used[x]=1;
for (int i=0;i<E[x].size();++i)
if (!used[E[x][i]])
depth[E[x][i]]=depth[x]+1,fa[E[x][i]][0]=x,dfs(E[x][i]);
return;
}
int lca(int x,int y)
{
if (depth[x]<depth[y]) swap(x,y);
for (int i=lg[n];i>=0;--i)
if (depth[fa[x][i]]>=depth[y])
x=fa[x][i];
if (x==y) return x;
for (int i=lg[n];i>=0;--i)
if (fa[x][i]!=fa[y][i])
x=fa[x][i],y=fa[y][i];
return fa[x][0];
}
bitset<M+1>query(int l,int r)
{
if (l<=sl&&sr<=r) return dst;
else if (l==r)
{
bitset<M+1>res;
res[l-sl]=1;
return res;
}
else if (block[l+1]==block[r])
{
bitset<M+1>res;
for (int i=l+1;i<=r;++i) res|=S[i];
return res;
}
else if (block[l+1]+1==block[r]) return delta[l+1]|delta2[r];
else return delta[l+1]|DP[block[l+1]+1][block[r]-1]|delta2[r];
}
int main()
{
int x,y,szt;
n=read(),q=read(),szt=sqrt(n);
for (int i=2;i<=N;++i) lg[i]=lg[i>>1]+1;
for (int i=1;i<=n;++i) z[i]=read()&1,block[i]=(i-1)/szt+1;
for (int i=1;i<=n-1;++i) x=read(),y=read(),add(x,y);
depth[1]=1,dfs(1);
for (int i=1;i<=lg[n];++i)
for (int j=1;j<=n;++j)
fa[j][i]=fa[fa[j][i-1]][i-1];
for (int i=2;i<=n;++i) lc[i]=lca(i-1,i);
for (int i=1;i<=q;++i)
{
op[i]=read();
if (op[i]==1) l[i]=read(),r[i]=read();
else l[i]=read(),r[i]=read(),u[i]=read();
}
for (int i=1;i<=n;++i)
for (int j=i;j<=n;j+=i)
p[j].push_back(i);
for (int i=2;i<=n;++i)
if (!nprime[i])
{
tong[++length]=i;
for (int j=(i<<1);j<=n;j+=i) nprime[j]=1;
}
for (int i=1;i<=n;++i)
for (int j=(i<<1);j<=n;j+=i)
z[j]^=z[i];
for (int i=1;i<=n;i+=sz)
{
sl=i,sr=min(i+sz-1,n),rst.reset(),dst.reset();
for (int j=sl;j<=sr;++j) dst[j-sl]=1;
for (int j=1;j<=n;++j) B[j].reset();
for (int j=1;j<=block[n];++j)
for (int k=1;k<=block[n];++k)
DP[j][k].reset();
for (int j=sl;j<=sr;++j)
for (int k=0;k<p[j].size();++k)
if (z[p[j][k]])
B[p[j][k]][j-i]=1;
for (int j=1;j<=length;++j)
for (int k=1;k<=n/tong[j];++k)
B[k*tong[j]]^=B[k];
for (int j=1;j<=n;++j)
{
S[j]=S[fa[j][0]];
if (sl<=j&&j<=sr) S[j][j-i]=1;
}
for (int j=n;j>=2;--j) S[j]^=S[j-1];
for (int j=2;j<=n;++j)
if (sl<=lc[j]&&lc[j]<=sr)
S[j][lc[j]-sl]=1;
for (int j=1;j<=n;++j) delta[j]=delta2[j]=S[j],DP[block[j]][block[j]]=DP[block[j]][block[j]]|S[j];
for (int j=n-1;j>=1;--j)
if (block[j]==block[j+1])
delta[j]|=delta[j+1];
for (int j=2;j<=n;++j)
if (block[j]==block[j-1])
delta2[j]|=delta2[j-1];
for (int j=1;j<=block[n];++j)
for (int k=j+1;k<=block[n];++k)
DP[j][k]=DP[j][k-1]|DP[k][k];
num[sl-1].reset();
for (int j=sl;j<=sr;++j) num[j]=num[j-1],num[j][j-sl]=1;
for (int j=1;j<=q;++j)
{
if (op[j]==1) rst^=query(l[j],r[j]);
else if (l[j]<=sl&&sr<=r[j]) ans[j]+=(B[u[j]]&rst).count();
else if (max(l[j],sl)<=min(r[j],sr)) ans[j]+=(B[u[j]]&rst&(num[min(r[j],sr)]^num[max(l[j],sl)-1])).count();
}
}
for (int i=1;i<=q;++i)
if (op[i]==2)
printf("%lld\n",(19901990ll*ans[i]+r[i]-l[i]+1)%20242024);
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 24800kb
input:
998 1000 955556485 952505211 899166521 258704448 894183248 636280051 62949347 983956660 113872828 588367167 208142006 665025449 944228063 284736189 169202015 56096447 404419923 30158095 111191865 717455344 790159420 391379127 208279658 426780799 886604643 940903663 618716147 773652834 385881251 1593...
output:
16521790 15722182 16841705 6980851 5980961 16542343 14862249 11061226 6640803 9721288 3960914 16341793 7021171 10581640 6201533 180222 180204 9761729 8201373 16021970 12621785 6021409 8861126 1580814 9721206 8340899 9701032 5800775 17402377 200446 12941470 4800917 10221217 2760699 10241406 17521765 ...
result:
wrong answer 2nd lines differ - expected: '13341944', found: '15722182'
Subtask #2:
score: 0
Wrong Answer
Test #4:
score: 0
Wrong Answer
time: 849ms
memory: 65316kb
input:
65531 65535 968854923 932574892 192297572 866236747 654755663 148562561 273214896 947434573 938626677 992982166 219888853 229840279 676071061 383387319 372883953 729287797 601010887 31942080 990584163 823724544 181337075 918252129 896876911 768539961 357780649 890577681 819641335 320266037 55445939 ...
output:
2342090 5483226 16709621 15059481 8481352 13430746 18046659 6808766 3076595 5725881 17459063 16544793 14481928 4009813 11977078 10870412 3812297 3601681 18107642 17818335
result:
wrong answer 1st lines differ - expected: '2662122', found: '2342090'
Subtask #3:
score: 0
Skipped
Dependency #2:
0%
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #1:
0%