[BaekJoon] 15829 Hashing

2022. 4. 11. 10:58ยท๐Ÿ’ฏ CodingTest/BaekJoon

[์ถœ์ฒ˜ : https://www.acmicpc.net/problem/15829]

n = int(input())
word = input()

result = 0

alpha = {
    'a':1,
    'b':2,
    'c':3,
    'd':4,    
    'e':5,
    'f':6,
    'g':7,
    'h':8,
    'i':9,
    'j':10,
    'k':11,
    'l':12,
    'm':13,
    'n':14,
    'o':15,
    'p':16,
    'q':17,
    'r':18,
    's':19,
    't':20,
    'u':21,
    'v':22,
    'w':23,
    'x':24,
    'y':25,
    'z':26,
    }

for i in range(len(word)):
    result += alpha[word[i]] * (31**i)

print(result % 1234567891)

 

๋ฌธ์ œํ’€์ด

 

1. ๊ฐ ์•ŒํŒŒ๋ฒณ ๊ฐ’์„ ์ง€์ •ํ–ˆ๋‹ค. => ์•„์Šคํ‚ค์ฝ”๋“œ๋ฅผ ์‚ฌ์šฉํ•ด๋„ ๋˜์ง€๋งŒ ํ•œ๋ฒˆ ์ด๋ ‡๊ฒŒ ํ•ด๋ณด๊ณ  ์‹ถ์—ˆ๋‹ค.

2. ์ฃผ์–ด์ง„ ์‹์„ for๋ฌธ์„ ์ด์šฉํ•ด ๊ตฌํ˜„

3. result๊ฐ’์„ 1234567891๋กœ ๋‚˜๋ˆˆ ๋‚˜๋จธ์ง€ ๊ฐ’ ์ถœ๋ ฅ

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