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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#103080 | #6330. XOR Reachable | cyc001 | WA | 0ms | 3504kb | C++20 | 3.0kb | 2023-05-04 13:40:06 | 2023-05-04 13:40:10 |
Judging History
answer
#include<bits/stdc++.h>
#define cir(i,a,b) for(int i=a;i<b;++i)
#define cirr(i,a,b) for(int i=b-1;i>=a;--i)
using namespace std;
using lint=long long;
using VI=vector<lint>;
template<typename T>
class dsu{
private:
vector<T> F,siz,Mx,Exmx;
vector<pair<T,T>> ops;
vector<lint> chgw;
lint w;
public:
lint getw(){return w;}
T findset(int x){return x==F[x]?x:findset(F[x]);}
T merge(int x,int y){
x=findset(x),y=findset(y);
if(x==y){
ops.push_back({-1,-1});return Mx[x];
}
if(siz[y]<siz[x]) swap(x,y);
w+=1LL*siz[x]*siz[y];
chgw.push_back(1LL*siz[x]*siz[y]);
ops.push_back({x,y});siz[y]+=siz[x];
Exmx.push_back(Mx[y]);Mx[y]=max(Mx[y],Mx[x]);
return F[x]=y,Mx[y];
}
void remoke(){
if(ops.empty()) return;
assert(ops.size());
T x=ops.back().first,y=ops.back().second;
ops.pop_back();
if(x<0||y<0) return;
F[x]=x;siz[y]-=siz[x];
w-=chgw.back();chgw.pop_back();
Mx[y]=Exmx.back();Exmx.pop_back();
}
dsu(T n):F(n),Mx(n),siz(n,1),w(0){
iota(F.begin(),F.end(),0);
iota(Mx.begin(),Mx.end(),0);
}
};
class trie{
private:
const int intsiz=31;
struct edge{int u,v;};
struct node{
array<node*,2> s;
vector<edge> nx;lint w;
node():w(0){s[0]=s[1]=nullptr;}
};
node*movenode(node*u,int g){
if(u->s[g]==nullptr)
u->s[g]=new node();
return u->s[g];
}
node*root;dsu<int> ds;
void dfs(node*u){
for(auto&[u,v]:u->nx) ds.merge(u,v);
u->w=ds.getw();
for(auto s:u->s) if(s!=nullptr) dfs(s);
for(auto&i:u->nx) ds.remoke();
}
public:
void insert_query(int s){
auto u=root;
cirr(i,0,intsiz)
u=movenode(u,(bool)(s&(1<<i)));
}
void insert_edge(int k,int s,edge e){
auto u=root;
cirr(i,0,intsiz){
if(k&(1<<i)){
if(s&(1<<i))
movenode(u,1)->nx.push_back(e);
else
movenode(u,0)->nx.push_back(e);
u=movenode(u,(!(s&(1<<i))));
}else{
u=movenode(u,(bool)(s&(1<<i)));
}
}
}
void reload(){dfs(root);}
lint calculate_query(int s){
auto u=root;
cirr(i,0,intsiz)
u=movenode(u,(bool)(s&(1<<i)));
return u->w;
}
trie(int _n):ds(_n){root=new node();}
};
int main(){
ios::sync_with_stdio(false),cin.tie(0);
int n,m,k;cin>>n>>m>>k;
trie tr(n);
cir(i,0,m){
int u,v,c;cin>>u>>v>>c;
tr.insert_edge(k,c,{--u,--v});
}
int q;cin>>q;VI qr(q);
for(auto&i:qr){
cin>>i;tr.insert_query(i);
}
tr.reload();
for(auto&i:qr){
cout<<tr.calculate_query(i)<<'\n';
}
cout<<"The program finishes with exit code 114514\n";
return 0;
}
詳細信息
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3504kb
input:
4 5 5 1 2 17 1 3 4 2 3 20 2 4 3 3 4 5 4 0 7 16 167
output:
2 6 3 0 The program finishes with exit code 114514
result:
wrong output format Expected integer, but "The" found