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

ifstream fin("distincte.in");
ofstream fout("distincte.out");

int n, a[100002], k, m;
bitset<100002> ap;

int main()
{
    int i, j , ras;
    fin >> n >> k >> m;
    for(i = 1; i <= n; i++)
        fin >> a[i];
    while(m--)
    {
        fin >> i >> j;
        ap.reset();
        ras = 0;
        while(i <= j)
        {
            if(ap[a[i]] == 0)
            {
                ras += a[i];
                ap[a[i]] = 1;
            }
            i++;
        }
        fout << ras << "\n";
    }
    return 0;
}