LightOJ 1088

#include<bits/stdc++.h>
using namespace std;

typedef unsigned long long int  ull;
typedef long long int      ll;
typedef vector<int>        vi;
typedef vector<ll>         vll;
typedef vector<vi>         vvi;
typedef pair<int,int >     pii;
typedef vector< pii >      vpii;
typedef set<int>           sti;

#define sc                 scanf
#define pf                 printf
#define sci(n)             scanf("%d",&n)
#define scl(n)             scanf("%lld",&n)
#define scd(n)             scanf("%lf",&n)
#define scs(s)             scanf("%s",s)
#define pfi(n)             printf("%d",n)
#define pfl(n)             printf("%lld",n)
#define pff(n)             cout<<n
#define line               printf("\n")
#define spc                printf(" ")
#define loop(i,x,y)        for(int i=int(x); i<=int(y); i++)
#define rloop(i,y,x)       for(int i=int(y); i>=int(x); i--)
#define cspf(i)            printf("Case %d:\n", i)
#define pb                 push_back
#define mp                 make_pair
#define ff                 first
#define ss                 second
#define all(v)             v.begin(),v.end()
#define rall(v)            v.rbegin(),v.rend()
#define read()             freopen("input.txt", "r", stdin)
#define write()            freopen("output.txt", "w", stdout)
/// Constants
#define eps                1e-9
#define PI                 acos(-1.0)  // 3.1415926535897932
#define MAX                1000009

int main()
{
	int tc;
	sci(tc);
	loop(cs,1,tc){
		int n,q,x,y;
		ll z;
		sci(n);sci(q);
		vll vt(n);
		loop(i,0,n-1){
			scl(z);
			vt[i]=z;
		}
		cspf(cs);
		loop(i,0,q-1){
			sci(x);sci(y);
			if(x<y)
			   swap(x,y);
			int up = upper_bound(all(vt),x)-vt.begin();
			int lo = lower_bound(all(vt),y)-vt.begin();
			pfi(up-lo);line;
		}
	}
    return 0;
}