Submission #797721

# Submission time Handle Problem Language Result Execution time Memory
797721 2023-07-29T19:50:48 Z jackliy369 A Huge Tower (CEOI10_tower) Python 3
90 / 100
1000 ms 75932 KB
from math import floor, log2, sqrt, log10


N, D = map(int, input().split())
blocks = sorted(list(map(int, input().split())))

def binary_search(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

ans = 1
index = 0
for i in range(1, N):
    index = binary_search(index, i - 1, blocks[i], blocks)
    possibilities = i - index + 1
    ans *= possibilities

print(ans % 1000000009)
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2864 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 10 ms 2772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2868 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2852 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2996 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 2772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 13 ms 2772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 2900 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 2892 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 13 ms 3008 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 14 ms 3028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 42 ms 4052 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 503 ms 8776 KB Output is correct
2 Correct 561 ms 8916 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 1052 ms 32580 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1102 ms 75932 KB Time limit exceeded
2 Halted 0 ms 0 KB -