KOREATECH 1021: 연속된 최장 길이

Link : judge.koreatech.ac.kr/problem.php?id=1021

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Python

from sys import stdin
 
quest_cnt = int(stdin.readline().strip())
 
for i in range(quest_cnt):
    arrlist = [int(data) for data in stdin.readline().strip().split(' ')]
    data_length = arrlist[0]
    if data_length == 0:
        print('0')
        continue
    arrlist = arrlist[1:len(arrlist)]
    max_length = 0
    pres = 1
    for i in range(1, len(arrlist)):
        if arrlist[i] - 1 == arrlist[i - 1]:
            pres += 1
        else:
            if pres > max_length:
                max_length = pres
            pres = 1
    if pres > max_length:
        max_length = pres
 
    print(max_length)

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