#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
#define file ""
#define mp make_pair
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define bit(x) (1LL << (x))
#define getbit(x, i) (((x) >> (i)) & 1)
#define popcount __builtin_popcountll
mt19937_64 rd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r) {
return l + rd() % (r - l + 1);
}
const int N = 1e6 + 5;
const int mod = (int)1e9 + 7; // 998244353;
const int lg = 25; // lg + 1
const int oo = 1e9;
const long long ooo = 1e18;
template<class X, class Y> bool mini(X &a, Y b) {
return a > b ? (a = b, true) : false;
}
template<class X, class Y> bool maxi(X &a, Y b) {
return a < b ? (a = b, true) : false;
}
void add(int &a, int b) {
a += b;
if (a >= mod) a -= mod;
if (a < 0) a += mod;
}
int n, k, q;
int a[N];
vector<int> adj[N];
int color[N];
int res[N];
bool ok = true;
void dfs(int u) {
color[u] = 1;
for (int v : adj[u]) {
if (!color[v]) dfs(v);
else if (color[v] == 1) {
ok = false;
return;
}
}
color[u] = 2;
}
bool no_cycle(int l, int r) {
for (int i = 1; i <= k; ++i) {
adj[i].clear();
color[i] = 0;
}
vector<int> val;
for (int i = l; i <= r; ++i) {
if (i + 1 <= r && a[i] == a[i + 1]) return false;
val.push_back(a[i]);
}
// edge x->y : x > y
for (int i = 0; i + 1 < r - l + 1; ++i) {
int x = val[i], y = val[i + 1];
if (i & 1) adj[y].push_back(x);
else adj[x].push_back(y);
}
for (int i = 1; i <= k; ++i) if (adj[i].size() && color[i] == 0) {
ok = true;
dfs(i);
if (ok == false) return false;
}
return true;
}
void process() {
cin >> n >> k >> q;
for (int i = 1; i <= n; ++i) cin >> a[i];
int r = 1;
for (int l = 1; l <= n; ++l) {
while (r <= n && no_cycle(l, r)) ++r;
res[l] = r;
// cout << res[l] << ' ';
}
while (q--) {
int l, r;
cin >> l >> r;
cout << (res[l] > r ? "YES" : "NO") << '\n';
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
#ifdef LOCAL
freopen("input.txt", "r", stdin);
#else
// freopen(file".inp", "r", stdin);
// freopen(file".out", "w", stdout);
#endif
int tc = 1;
// cin >> tc;
while (tc--) {
process();
}
return 0;
}
/*
*/
