[BOJ] 3052: 나머지

🔒 예제

>> 1
>> 2
>> 3
>> 4
>> 5
>> 6
>> 7
>> 8
>> 9
>> 10

10

>> 42
>> 84
>> 252
>> 420
>> 840
>> 126
>> 42
>> 84
>> 420
>> 126

1

>> 39
>> 40
>> 41
>> 42
>> 43
>> 44
>> 82
>> 83
>> 84
>> 85

6

🔧 풀이

1. for문
	1.1 a = int(sys.stdin.readline().rstrip())
    1.2 b = a % 42
2. 나머지 저장 리스트 lefts = []
	2.1 if b not in lefts: lefts.append(b)

🔑 답안

import sys

lefts = []
for i in range(10):
    a = int(sys.stdin.readline().rstrip())
    b = a % 42
    
    if b not in lefts:
        lefts.append(b)
        
print(len(lefts))

💡 개념