백준, Python) 심화 1단계 3003, 10988, 1157, 2941, 1316, 25206

3003

원래는 if-else문을 반복 했다가 복잡해지고 틀린 것을 알게 됨.
-> 수정

pieces = [1, 1, 2, 2, 2, 8]

k, q, l, b, kn, p = map(int, input().split())

current = [k, q, l, b, kn, p]

result = [pieces[i] - current[i] for i in range(6)]

print(*result)

# 2444

n = int(input())

for i in range(1,n+1):

    print(" "*(n-i) + "*"*(2*i-1))

for j in range(n-1,0,-1):

    print(" "*(n-j) + "*"*(2*j-1))

 

 

---

10988

 

word = input()

i = 0

res = 1

while i <len(word)//2:

    if word[i] == word[len(word)-i-1]:

        i +=1

    else:

        res=0

        break

print(res)

-> 내가 짠 코드 

 

너 간단하게 

word = input()

print(1 if word == word [::-1] else 0)

 

 

---

1157

 

dic={}

word = input().upper()

for w in word:

    if w not in dic.keys():

        dic[w] = 1

    else:

        dic[w] +=1

j = 0

for w in word:

    if dic[w] >= max(dic.values()):

        res = w

        j+=1

print(res if j <=1  else "?")

 

 

---

2941

 

replace 함수를 이용하는 문제 -> 못 풀었음

letter = input()

cro = ['c=', 'c-', 'dz=', 'd-', 'lj', 'nj', 's=', 'z=']

for i in cro:

    letter= letter.replace(i,"*")

print(len(letter))

 

 

 

---

1316

count = 0

n = int(input())

for _ in range(n):

    word = input()

    newList = []

    isGroup = True  

    for j in range(len(word)):

        if word[j] not in newList:

            newList.append(word[j])

        elif word[j] == word[j-1]:

            continue

        else:

            isGroup = False

            break

    if isGroup:

        count += 1

print(count)

 

 

---

25206

credit = {

    'A+':4.5, 'A0':4.0,

    'B+':3.5, 'B0':3.0,

    'C+':2.5, 'C0':2.0,

    'D+':1.5, 'D0':1.0,

    'F':0.0

}

total_score = 0.0  

total_credit = 0.0

for _ in range(20):  

    a, b, c = input().split()

    b = float(b)

    if c != 'P':  

        total_score += b * credit[c]

        total_credit += b

print(total_score / total_credit)