Submission #8,482

2024-01-17 15:39:36

python3

Wrong answer 48/50

43ms

17072 KiB

from sys import stdin

N, K = [int(i) for i in input().split()]
R = [int(i) for i in stdin.readline().split()].count(1)
if R < 2:
    print(0)
else:
    print((R-K+1)*(R-K+2)//2)

	Sum	Test	Verdict		Time	Memory
base	48/50
		1	Accepted	0/0	18ms	11296 KiB
		2	Accepted	0/0	17ms	11448 KiB
		3	Accepted	0/0	41ms	15380 KiB
		4	Accepted	2/2	17ms	11792 KiB
		5	Accepted	2/2	17ms	11996 KiB
		6	Wrong answer	0/2	17ms	12008 KiB
		7	Accepted	3/3	18ms	12592 KiB
		8	Accepted	3/3	17ms	12632 KiB
		9	Accepted	3/3	17ms	12708 KiB
		10	Accepted	2/2	17ms	12768 KiB
		11	Accepted	3/3	17ms	12732 KiB
		12	Accepted	2/2	18ms	12876 KiB
		13	Accepted	3/3	17ms	12716 KiB
		14	Accepted	2/2	39ms	16024 KiB
		15	Accepted	2/2	39ms	16040 KiB
		16	Accepted	3/3	43ms	17072 KiB
		17	Accepted	3/3	41ms	16464 KiB
		18	Accepted	3/3	41ms	16904 KiB
		19	Accepted	3/3	43ms	17044 KiB
		20	Accepted	3/3	41ms	17056 KiB
		21	Accepted	3/3	43ms	17064 KiB
		22	Accepted	3/3	41ms	16904 KiB