Submission #856131

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Source Code Expand

#include<bits/stdc++.h>
#define FOR(i,a,b) for(int i = (a);i<=(b);i++)
#define ROF(i,a,b) for(int i = (a);i>=(b);i--)
#define MST(a,x) memset(a,x,sizeof(a))
#define DEBUG cout<<"shllhs"<<endl;
#define ll long long
#define PB push_back
#define PH push
#define MP make_pair
#define FT first
#define SD second
#define N 100005
#define M 2005
#define INF 100000000000000007
#define MOD 1000000007
#define MOD2 1000000009
#define eps 1e-10
#define pi acos(-1.0)
using namespace std;
typedef pair<pair<int,int>,int> tri;
typedef pair<pair<ll,ll>,ll> trl;
typedef pair<int,int> pri;
typedef pair<ll,ll> prl;

int x[N];
int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n,l,q;
    while(cin>>n)
    {
        FOR(i,1,n)cin>>x[i];
        cin>>l>>q;
        FOR(i,1,q)
        {
            int a,b;
            cin>>a>>b;
            if(a>b)swap(a,b);
            int t = 0,p = a;
            while(p<b)
            {
                int tp = p;
                while(tp<b&&x[tp]-x[p]<=l)tp++;
                if(x[tp]-x[p]>l)tp--;
                p = tp;
                t++;
            }
            cout<<t<<endl;
        }
    }
    return 0;
}

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