#include #include typedef struct { int key, id; } data; typedef struct { data obj[200001]; int size; } min_heap; void push(min_heap* h, data x) { int i = ++(h->size), j = i >> 1; data tmp; h->obj[i] = x; while (j > 0) { if (h->obj[i].key < h->obj[j].key) { tmp = h->obj[j]; h->obj[j] = h->obj[i]; h->obj[i] = tmp; i = j; j >>= 1; } else break; } } data pop(min_heap* h) { int i = 1, j = 2; data output = h->obj[1], tmp; h->obj[1] = h->obj[(h->size)--]; while (j <= h->size) { if (j < h->size && h->obj[j^1].key < h->obj[j].key) j ^= 1; 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; j <<= 1; } else break; } return output; } void chmin(long long* a, long long b) { if (*a > b) *a = b; } int main() { int i, N, A[200001]; scanf("%d", &N); for (i = 1; i <= N; i++) scanf("%d", &(A[i])); printf("%d ", N / 2); long long ans, tmp; data d; min_heap h; if (N % 2 == 0) { h.size = 0; for (i = 1; i <= N; i++) { if (A[i] <= N / 2) { d.key = i; push(&h, d); } } for (i = 1, ans = 0; i <= N / 2; i++) { d = pop(&h); ans += abs(i * 2 - 1 - d.key); } tmp = ans; h.size = 0; for (i = 1; i <= N; i++) { if (A[i] <= N / 2) { d.key = i; push(&h, d); } } for (i = 1; i <= N / 2; i++) { d = pop(&h); if (d.key >= i * 2) tmp--; else tmp++; chmin(&ans, tmp); } } else { h.size = 0; for (i = 1; i <= N; i++) { if (A[i] <= N / 2) { d.key = i; push(&h, d); } } for (i = 1, ans = 0; i <= N / 2; i++) { d = pop(&h); ans += abs(i * 2 - d.key); } } printf("%lld\n", ans); fflush(stdout); return 0; }