#include <bitset>
#include <cmath>
#include <functional>
#include <algorithm>
#include <numeric>
#include <system_error>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <unordered_map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
#include <cstring>
#include <climits>
#define pb push_back
#define MOD 1000000007
#define NMAX 200001
#define nl '\n'
#define pii1 pair<int, pair<int,int>> (1,(1,2));
#define pii pair<int,int>
#define tpl tuple<int,int,int>
#define int long long
using namespace std;
ifstream fin("data.in");
ofstream fout("data.out");
const int INF=1e12;
/*
====================DEMONSTRATION======================
If Ai < Ai+1, the temperature of the wind decreases by S degrees per altitude.
If Ai ≧ Ai+1, the temperature of the wind increases by T degrees per altitude.
S=1,T=2
0 6 3 8
0,-6,0,-5
=========================END===========================
*/
int n,q,s,t;
vector<int>v;
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin>>n>>q>>s>>t;
v.resize(n+1);
for(int i=0;i<=n;++i)
{
cin>>v[i];
}
for(int i=1;i<=q;++i)
{
int st,dr,x;
cin>>st>>dr>>x;
int ans=0;
for(int j=st;j<=dr;++j)
ans++;
cout<<ans<<nl;
}
return 0;
}
