Submission #8,479

2024-01-17 15:22:02

python3

Wrong answer 48/50

64ms

17944 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:
    i = R-K+1
    S = i
    while i > 0:
        i -= 1
        S += i
    
##    S = (R-K+1)*(R-K+2)//2
    print(S)

	Sum	Test	Verdict		Time	Memory
base	48/50
		1	Accepted	0/0	18ms	11508 KiB
		2	Accepted	0/0	17ms	11900 KiB
		3	Accepted	0/0	45ms	15696 KiB
		4	Accepted	2/2	17ms	12324 KiB
		5	Accepted	2/2	17ms	12576 KiB
		6	Wrong answer	0/2	17ms	12684 KiB
		7	Accepted	3/3	17ms	12780 KiB
		8	Accepted	3/3	17ms	12448 KiB
		9	Accepted	3/3	17ms	12820 KiB
		10	Accepted	2/2	17ms	13328 KiB
		11	Accepted	3/3	18ms	13288 KiB
		12	Accepted	2/2	17ms	13716 KiB
		13	Accepted	3/3	18ms	13596 KiB
		14	Accepted	2/2	39ms	16808 KiB
		15	Accepted	2/2	64ms	16876 KiB
		16	Accepted	3/3	50ms	17744 KiB
		17	Accepted	3/3	43ms	17172 KiB
		18	Accepted	3/3	61ms	17476 KiB
		19	Accepted	3/3	41ms	17944 KiB
		20	Accepted	3/3	45ms	17868 KiB
		21	Accepted	3/3	52ms	17816 KiB
		22	Accepted	3/3	64ms	17884 KiB