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πŸƒ‍♂️Baekjoon/Python

Λšβ‚Šβœ©β€§β‚Š #1978 - python μ†Œμˆ˜ μ°ΎκΈ° Λšβ‚Šβœ©β€§β‚Š

HYEJU01 2024. 5. 18. 21:47
체감 Level : β˜… β˜† β˜†
Review:  μ†Œμˆ˜ κ΅¬ν•˜λŠ” 법

 

πŸ’‘ N 개 의 숫자λ₯Ό λ°›μ•„μ„œ κ·Έ 쀑에 μ†Œμˆ˜κ°€ λͺ‡κ°œ μžˆλŠ”μ§€ ν™•μΈν•˜λŠ” 문제

 

1) λ¨Όμ € N 개의 숫자λ₯Ό λ¦¬μŠ€νŠΈμ— λ°›μ•„μ€€λ‹€.

2) 이후 숫자 ν•˜λ‚˜μ”© μ†Œμˆ˜μΈμ§€ 확인해쀀닀. ( 0으둜 λ‚˜λˆ μ§€λŠ” μˆ˜κ°€ μžˆλŠ”μ§€ cnt)

3) 1개 밖에 μ—†λ‹€λ©΄ μ†Œμˆ˜ ( μ†Œμˆ˜λŠ” 1κ³Ό μžμ‹ μœΌλ‘œλ§Œ λ‚˜λˆ μ§€λŠ” 숫자)

N = int(input())
cnt = 0
answer = 0

a = []

a = list(map(int,input().split()))
    
for i in a:
    cnt  = 0
    for j in range(1,i):
        if ( i % j == 0):
            cnt += 1
    if (cnt == 1):
        answer +=1

print(answer)