#include #define Mod 1000000007 typedef struct { int key, id; } data; void merge_sort(data x[], int n) { static data y[100001] = {}; if (n <= 1) return; merge_sort(&(x[0]), n/2); merge_sort(&(x[n/2]), (n+1)/2); int i, p, q; for (i = 0, p = 0, q = n/2; i < n; i++) { if (p >= n/2) y[i] = x[q++]; else if (q >= n) y[i] = x[p++]; else y[i] = (x[p].key < x[q].key)? x[p++]: x[q++]; } for (i = 0; i < n; i++) x[i] = y[i]; } typedef struct { data obj[100001]; int size; } min_heap; void push(data x, min_heap* h) { int i = h->size; data tmp; h->obj[(h->size)++] = x; while (1) { if (i == 0) break; else if (h->obj[i].key < h->obj[(i-1)/2].key) { tmp = h->obj[(i-1)/2]; h->obj[(i-1)/2] = h->obj[i]; h->obj[i] = tmp; i = (i - 1) / 2; } else break; } } data pop(min_heap* h) { int i = 0, j; data output = h->obj[0], tmp; h->obj[0] = h->obj[--(h->size)]; while (1) { if (i * 2 + 1 >= h->size) break; else if (i * 2 + 2 >= h->size) j = i * 2 + 1; else if (h->obj[i*2+1].key < h->obj[i*2+2].key) j = i * 2 + 1; else j = i * 2 + 2; if (h->obj[j].key < h->obj[i].key) { tmp = h->obj[j]; h->obj[j] = h->obj[i]; h->obj[i] = tmp; i = j; } else break; } return output; } int main() { int i, j, k, K, N, M; long long a[100001], c[201]; data d[100001]; scanf("%d %d %d", &K, &N, &M); for (i = 0; i < K; i++) scanf("%lld", &(a[i])); for (i = 1; i <= K; i++) scanf("%lld", &(c[i])); for (i = 0; i < M; i++) scanf("%d %d", &(d[i].key), &(d[i].id)); for (i = K; i < N; i++) { for (k = 1, a[i] = 0; k <= K; k++) a[i] = (a[i] + c[k] * a[i-k]) % Mod; } merge_sort(d, M); long long x[100001] = {}, tmp[100001] = {}; data e; min_heap h[2]; h[0].size = 0; h[1].size = 0; for (i = 0, j = 0; i < N; i++) { for (; j < M && d[j].key == i; j++) { if (d[j].id <= i + K) for (k = i; k < d[j].id; k++) x[k] += a[k-i]; else { for (k = i; k < i + K; k++) x[k] += a[k-i]; e.key = i + K; e.id = d[j].id; push(e, &(h[0])); } } if (i >= K) { while (h[0].size > 0 && h[0].obj[0].key == i) { e = pop(&(h[0])); for (k = i - 1; k >= i - K; k--) tmp[k] += a[k-(i-K)]; e.key = e.id; e.id = i - K; push(e, &(h[1])); } while (h[1].size > 0 && h[1].obj[0].key == i) { e = pop(&(h[1])); for (k = i - 1; k >= i - K; k--) tmp[k] -= a[k-e.id]; } for (k = i - 1; k >= i - K; k--) { tmp[k] = (tmp[k] % Mod + Mod) % Mod; tmp[i] = (tmp[i] + c[i-k] * tmp[k]) % Mod; } x[i] += tmp[i]; } printf("%lld\n", x[i] % Mod); } fflush(stdout); return 0; }