36 lines
552 B
C++
36 lines
552 B
C++
#include<bits/stdc++.h>
|
|
using namespace std;
|
|
using ll = long long;
|
|
|
|
|
|
void solve()
|
|
{
|
|
int n, m, k, H;
|
|
cin>>n>>m>>k>>H;
|
|
vector<int>v;
|
|
for(int i=0; i<n; ++i)
|
|
{
|
|
int x;
|
|
cin>>x;
|
|
v.push_back(x);
|
|
}
|
|
int ct=0;
|
|
for(int i=0; i<n; ++i)
|
|
{
|
|
int d=abs(H-v[i]);
|
|
if(d<=(m-1)*k && d%k==0 && v[i]!=H)
|
|
ct++;
|
|
}
|
|
cout<<ct<<endl;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
ios_base::sync_with_stdio(false);
|
|
cin.tie(nullptr);
|
|
|
|
int TC = 1;
|
|
cin >> TC;
|
|
cin.ignore();
|
|
while (TC--) solve();
|
|
} |