Submission #823586

# Submission time Handle Problem Language Result Execution time Memory
823586 2023-08-12T19:43:37 Z jackliy369 A Huge Tower (CEOI10_tower) Python 3
95 / 100
1000 ms 75908 KB
N, D = map(int, input().split())
blocks = sorted(list(map(int, input().split())))

def binary_search_i(l, r, size, list):
    ans = r + 1
    while r >= l:
        m = (l + r) // 2
        # m = l + floor(log10(r - l + 1))
        # m = l + (r - l) // 1000000
        if size <= list[m] + D:
            r = m - 1
            ans = m
        else:
            l = m + 1
    return ans

def binary_search_j(l, r, size, list):
    ans = r + 1
    while r >= l:
        m = (l + r) // 2
        if list[m] > size + D:
            r = m - 1
            ans = m
        else:
            l = m + 1
    return ans

def multiply(a, n):
    if n == 2:
        return a << 1
    elif n == 3:
        return a + (a << 1)
    elif n == 4:
        return a << 2
    elif n == 5:
        return a + (a << 2)
    elif n == 6:
        return (a << 1) + (a << 2)
    elif n == 7:
        return (a << 3) - a
    elif n == 8:
        return a << 3
    elif n == 9:
        return a + (a << 3)
    elif n == 10:
        return (a << 1) + (a << 3)
    elif n == 11:
        return a + (a << 1) + (a << 3)
    elif n == 12:
        return (a << 2) + (a << 3)
    elif n == 13:
        return a + (a << 2) + (a << 3)
    elif n == 14:
        return (a << 4) - (a << 1)
    elif n == 15:
        return (a << 4) - a
    else:
        return a * n

ans = 1
i = 0
j = 1
while j < N:
    prev_j = j
    # while i < j and blocks[j] > blocks[i] + D:
    #     i += 1
    i = binary_search_i(i, j - 1, blocks[j], blocks)
    if i < j:
        j = binary_search_j(prev_j, N - 1, blocks[i], blocks)
        for k in range(prev_j, j):
            ans = multiply(ans, k - i + 1)
            if ans > 2000000000000000000:
                ans = ans % 1000000009
    else:
        j += 1
    

print(ans % 1000000009)
# Verdict Execution time Memory Grader output
1 Correct 14 ms 3028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 3044 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 10 ms 3028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 3000 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 3028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 10 ms 2952 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 2980 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 10 ms 3028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 3028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2976 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 3044 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 3028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 10 ms 3048 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 3044 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 13 ms 3064 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 17 ms 3152 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 21 ms 4120 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 209 ms 8488 KB Output is correct
2 Correct 79 ms 8492 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 901 ms 30652 KB Output is correct
2 Correct 242 ms 30656 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 617 ms 75864 KB Output is correct
2 Execution timed out 1074 ms 75908 KB Time limit exceeded
3 Halted 0 ms 0 KB -