Submission #15,971

2025-03-26 09:14:56

pypy3

Accepted 50/50

175ms

64988 KiB

n = int(input())
years = [int(x) for x in input().split()]
unique_cnt = len(set(years))
s = set()
for i in range(n - 1, -1, -1):
    s.add(years[i])
    if len(s) == unique_cnt:
        print(i + 1)
        break        
"""
6
1848 1849 1848 1849 895 1516
"""

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	46ms	19384 KiB
		2	Accepted	0/0	54ms	22696 KiB
		3	Accepted	5/5	46ms	21252 KiB
		4	Accepted	5/5	46ms	19852 KiB
		5	Accepted	5/5	96ms	39352 KiB
		6	Accepted	5/5	97ms	39272 KiB
		7	Accepted	4/4	126ms	64956 KiB
		8	Accepted	4/4	125ms	64988 KiB
		9	Accepted	4/4	142ms	64400 KiB
		10	Accepted	4/4	138ms	62456 KiB
		11	Accepted	4/4	112ms	56832 KiB
		12	Accepted	2/2	123ms	64892 KiB
		13	Accepted	2/2	150ms	64464 KiB
		14	Accepted	1/1	175ms	64480 KiB
		15	Accepted	1/1	171ms	64548 KiB
		16	Accepted	1/1	133ms	64576 KiB
		17	Accepted	1/1	123ms	63892 KiB
		18	Accepted	1/1	94ms	44488 KiB
		19	Accepted	1/1	104ms	44484 KiB