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