Submission #798301

#	Time	Username	Problem	Language	Result	Execution time	Memory
798301		jackliy369	A Huge Tower (CEOI10_tower)	Cpython 3	90 / 100	1078 ms	75720 KiB

tower

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

ans = 1
index = 0
for i in range(1, N):
    while index < i and blocks[i] > blocks[index] + D:
        index += 1
    ans *= i - index + 1

print(ans % 1000000009)

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 5 / 5
• Subtask 7: 5 / 5
• Subtask 8: 5 / 5
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• Subtask 10: 5 / 5
• Subtask 11: 5 / 5
• Subtask 12: 5 / 5
• Subtask 13: 5 / 5
• Subtask 14: 5 / 5
• Subtask 15: 5 / 5
• Subtask 16: 5 / 5
• Subtask 17: 5 / 5
• Subtask 18: 5 / 5
• Subtask 19: 0 / 5
• Subtask 20: 0 / 5