#include<bits/stdc++.h>
using namespace std;
const int maxn = 2e5+5;
#define int long long
int N,M,L,C,Q;
int A[maxn],B[maxn],T[maxn];
int dd[maxn],deg[maxn],child[maxn],son[maxn];
int nxt[maxn],dist[maxn],sum[maxn];
vector<int> edge[maxn],f[maxn];
int ans[maxn];
vector<int> qq[maxn];
struct BIT{
int sz;
vector<int> com,bit;
void init(){
for(int i=1;i<=sz;i++) bit[i]=0;
}
void reset(){
com.clear();
}
void add(int x){
com.push_back(x);
}
void build(){
sort(com.begin(),com.end());
com.erase(unique(com.begin(),com.end()),com.end());
sz=(int)com.size();
bit.assign(sz+1,0);
}
int get(int x){
return upper_bound(com.begin(),com.end(),x)-com.begin();
}
void update(int x,int val){
x=get(x);
for(int i=x;i<=sz;i+=(i&(-i))) bit[i]+=val;
}
int query(int x){
x=get(x);
int res=0;
for(int i=x;i>=1;i-=(i&(-i))) res+=bit[i];
return res;
}
};
struct BIT2{
int sz,ss[maxn];
vector<int> com[maxn],bit[maxn];
void init(){
for(int i=1;i<=sz;i++) for(int j=1;j<=ss[i];j++) bit[i][j]=0;
}
void reset(){
for(int i=1;i<=sz;i++) com[i].clear();
}
void add(int x,int y){
for(int i=x;i<=sz;i+=(i&(-i))) com[i].push_back(y);
}
int get(int x,int y){
return upper_bound(com[x].begin(),com[x].end(),y)-com[x].begin();
}
void build(){
for(int i=1;i<=sz;i++){
sort(com[i].begin(),com[i].end());
com[i].erase(unique(com[i].begin(),com[i].end()),com[i].end());
ss[i]=(int)com[i].size();
bit[i].assign(ss[i]+1,0);
}
}
void update(int x,int y,int val){
for(int i=x;i<=sz;i+=(i&(-i))){
int ny=get(i,y);
for(int j=ny;j<=ss[i];j+=(j&(-j))) bit[i][j]+=val;
}
}
int query(int x,int y){
int res=0;
for(int i=x;i>=1;i-=(i&(-i))){
int ny=get(i,y);
for(int j=ny;j>=1;j-=(j&(-j))) res+=bit[i][j];
}
return res;
}
};
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);cout.tie(NULL);
cin >> N >> M >> L >> C;
for(int i=1;i<=N;i++) cin >> A[i];
for(int i=1;i<=M;i++) cin >> B[i];
cin >> Q;
for(int i=1;i<=Q;i++){
int v;cin >> v >> T[i];
qq[v].push_back(i);
}
for(int i=1;i<=M;i++){
int p=(lower_bound(A+1,A+N+1,B[i])-A+2*N-2)%N+1;
f[p].push_back((p<N?B[i]-A[p]:B[i]+L-A[p]));
}
for(int i=1;i<=N;i++){
int val=A[i]+((A[i]-A[1])<(C%L))*L-(C%L);
nxt[i]=upper_bound(A+1,A+N+1,val)-A-1;
dist[i]=val-A[nxt[i]]+C;deg[nxt[i]]++;
}
queue<int> q;
for(int i=1;i<=N;i++) if(!deg[i]) q.push(i);
while(!q.empty()){
int u=q.front();q.pop();
int v=nxt[u];
edge[v].push_back(u);
if(!(--deg[v])) q.push(v);
}
BIT cnt,cnt0;
BIT2 cnt2;
function<void(int)> pre_dfs = [&](int u){
child[u]=1;
for(int &x:f[u]) x+=dd[u],cnt.add(x);
for(int v:edge[u]){
dd[v]=dd[u]+dist[v];
pre_dfs(v);child[u]+=child[v];
if(child[son[u]]<child[v]) son[u]=v;
}
};
function<void(int,int)> dfs = [&](int u,int t){
for(int v:edge[u]) if(v!=son[u]) dfs(v,0);
if(son[u]) dfs(son[u],1),swap(f[u],f[son[u]]);
else for(int x:f[u]) cnt.update(x,1);
for(int v:edge[u]) for(int x:f[v]) cnt.update(x,1),f[u].push_back(x);
if(!deg[u]){
for(int id:qq[u]) ans[id]=cnt.query(dd[u]+T[id]);
}
if(!t) for(int x:f[u]) cnt.update(x,-1);
};
for(int i=1;i<=N;i++) if(deg[i]){
cnt.reset();
pre_dfs(i);
cnt.build();
dfs(i,1);
}
for(int i=1;i<=N;i++){
if(!deg[i]) continue;
int u=i;
vector<int> cycle;
while(deg[u]) cycle.push_back(u),deg[u]=0,u=nxt[u];
int sz=(int)cycle.size();
for(int i=1;i<sz;i++) sum[i]=sum[i-1]+dist[cycle[i-1]];
int total=sum[sz-1]+dist[cycle.back()];
for(int i=0;i<sz;i++){
u=cycle[i];
for(int id:qq[u]){
for(int j=0;j<=i;j++) for(int x:f[cycle[j]]){
int val=x+sum[i]-sum[j];
if(val<=T[id]) ans[id]+=(T[id]-val)/total+1;
}
for(int j=i+1;j<sz;j++) for(int x:f[cycle[j]]){
int val=x+sum[i]-sum[j]+total;
if(val<=T[id]) ans[id]+=(T[id]-val)/total+1;
}
}
}
/*
cnt.reset();cnt0.reset();
for(int i=0;i<sz;i++){
for(int x:f[cycle[i]]){
int val=x-sum[i];
int d=(val%total+total)%total;
int c=(val-d)/total;
cnt.add(c);cnt0.add(c);
}
}
cnt.build();cnt0.build();
cnt2.reset();
cnt2.sz=cnt.sz;
for(int i=0;i<sz;i++){
for(int x:f[cycle[i]]){
int val=x-sum[i];
int d=(val%total+total)%total;
int c=(val-d)/total;
cnt2.add(cnt.get(c),d);
}
}
cnt2.build();
for(int i=0;i<sz;i++){
u=cycle[i];
for(int x:f[u]){
int val=x-sum[i];
int d=(val%total+total)%total;
int c=(val-d)/total;
cnt2.update(cnt.get(c),d,1);
cnt0.update(c,1);
cnt.update(c,c);
}
for(int id:qq[u]){
int val=T[id]-sum[i];
int b=(val%total+total)%total;
int a=(val-b)/total;
ans[id]+=cnt2.query(cnt.get(a),b)+cnt0.query(a)*a-cnt.query(a);
}
}
cnt.init();
cnt0.init();
cnt2.init();
for(int i=sz-1;i>=0;i--){
u=cycle[i];
for(int id:qq[u]){
int val=T[id]-sum[i];
int b=(val%total+total)%total;
int a=(val-b)/total-1;
ans[id]+=cnt2.query(cnt.get(a),b)+cnt0.query(a)*a-cnt.query(a);
}
for(int x:f[u]){
int val=x-sum[i];
int d=(val%total+total)%total;
int c=(val-d)/total;
cnt2.update(cnt.get(c),d,1);
cnt0.update(c,1);
cnt.update(c,c);
}
}
*/
}
for(int i=1;i<=Q;i++) cout << ans[i] << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
25688 KB |
Output is correct |
| 2 |
Correct |
14 ms |
25948 KB |
Output is correct |
| 3 |
Correct |
35 ms |
26016 KB |
Output is correct |
| 4 |
Incorrect |
17 ms |
26200 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1400 ms |
37832 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
25688 KB |
Output is correct |
| 2 |
Correct |
14 ms |
25948 KB |
Output is correct |
| 3 |
Correct |
35 ms |
26016 KB |
Output is correct |
| 4 |
Incorrect |
17 ms |
26200 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
