#include #include #include using std::cin; using std::cout; const char endl = '\n'; constexpr int N = 1e5 + 5, M = 1005; int n, c, m, a[N], cnt[M][N], ans[M][N], res; int t, b, st[N], ed[N], pos[N], h[N]; int main() { std::ios::sync_with_stdio(false); cin.tie(nullptr); cin >> n >> c >> m; t = std::sqrt(n); for (int i = 1; i <= n; i++) { cin >> a[i]; } for (b = 1;; b++) { st[b] = (b - 1) * t + 1; ed[b] = std::min(n, b * t); if (b * t >= n) break; } for (int i = 1; i <= b; i++) { for (int j = st[i]; j <= ed[i]; j++) { pos[j] = i; cnt[i][a[j]]++; } } for (int i = 1; i <= b; i++) { for (int j = 0; j <= c; j++) { cnt[i][j] += cnt[i - 1][j]; } } for (int i = 1; i <= b; i++) { for (int j = i; j <= b; j++) { ans[i][j] = ans[i][j - 1]; for (int k = st[j]; k <= ed[j]; k++) { h[a[k]]++; if (h[a[k]] % 2 == 0) ans[i][j]++; else if (h[a[k]] >= 3) ans[i][j]--; } } memset(h, 0x00, sizeof(h)); } while (m--) { int l, r; cin >> l >> r; l = (l + res) % n + 1; r = (r + res) % n + 1; if (l > r) std::swap(l, r); if (pos[l] == pos[r]) { res = 0; for (int i = l; i <= r; i++) { h[a[i]]++; if (h[a[i]] % 2 == 0) res++; else if (h[a[i]] >= 3) res--; } for (int i = l; i <= r; i++) h[a[i]]--; } else { res = ans[pos[l] + 1][pos[r] - 1]; for (int i = l; i <= ed[pos[l]]; i++) { h[a[i]]++; int x = cnt[pos[r] - 1][a[i]] - cnt[pos[l]][a[i]]; if ((h[a[i]] + x) % 2 == 0) res++; else if (h[a[i]] + x >= 3) res--; } for (int i = st[pos[r]]; i <= r; i++) { h[a[i]]++; int x = cnt[pos[r] - 1][a[i]] - cnt[pos[l]][a[i]]; if ((h[a[i]] + x) % 2 == 0) res++; else if (h[a[i]] + x >= 3) res--; } for (int i = l; i <= ed[pos[l]]; i++) h[a[i]]--; for (int i = st[pos[r]]; i <= r; i++) h[a[i]]--; } cout << res << endl; } return 0; }