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Submission #823594

# Submission time Handle Problem Language Result Execution time Memory
823594 2023-08-12T20:04:12 Z jackliy369 A Huge Tower (CEOI10_tower) Python 3
95 / 100
 1000 ms 75924 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 *= (k - i + 1)
            if ans > 2000000000:
                ans = ans % 1000000009
    else:
        j += 1
    

print(ans % 1000000009)

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 3028 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 3028 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 3028 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2980 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 3028 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 3016 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2972 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2976 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 3028 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2940 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 3028 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2928 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2964 KB Output is correct

Subtask #14
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 3004 KB Output is correct

Subtask #15
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 3064 KB Output is correct

Subtask #16
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 3156 KB Output is correct

Subtask #17
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 4152 KB Output is correct

Subtask #18
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 149 ms 8572 KB Output is correct
2 Correct 60 ms 8588 KB Output is correct

Subtask #19
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 868 ms 30676 KB Output is correct
2 Correct 199 ms 30732 KB Output is correct

Subtask #20
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 439 ms 75856 KB Output is correct
2 Execution timed out 1075 ms 75924 KB Time limit exceeded
3 Halted 0 ms 0 KB -