レベルアップ問題集Python3 条件分岐メニュー

<0が含まれていないか判定>
step1　単純な条件分岐
# utf-8
s = input()

if s == "paiza":
    print("YES")
else:
    print("NO")
    
step2　数値の分岐
# utf-8
n = int(input())

if n <= 100:
    print("YES")
else:
    print("NO")
    
step3　数値演算結果で分岐
# utf-8
a, b, c = [int(x) for x in input().split()]

if a * b <= c:
    print("YES")
else:
    print("NO")
    
step4　ゼロ以外
# utf-8
n = int(input())

if n == 0:
    print("NO")
else:
    print("YES")
    
final　0が含まれていないか判定
# utf-8
n = int(input())
a = [int(input()) for x in range(n)]

if 0 in a:
    print("NO")
else:
    print("YES")
    
<AND+OR>
step1　AND
# utf-8
a, b = [int(x) for x in input().split()]

if a >= 10 and b >= 10:
    print("YES")
else:
    print("NO")
    
step2　大文字判定
# utf-8
c = input()

if c.isupper():
    print("YES")
else:
    print("NO")
    
step3　OR
# utf-8
a, b = [int(x) for x in input().split()]

if a >= 10 or b >= 10:
    print("YES")
else:
    print("NO")
    
step4　NOT
# utf-8
x = int(input())

if not x >= 10:
    print("YES")
else:
    print("NO")
    
step5　AND+NOT
# utf-8
a, b = [int(x) for x in input().split()]

if a >= 10 and not b >= 10:
    print("YES")
else:
    print("NO")
    
final　AND+OR
# utf-8
x, y, z = [int(x) for x in input().split()]

if z >= 10 or x >= 10 and y >= 10:
    print("YES")
else:
    print("NO")
    
<FizzBuzz>
step1　3の倍数判定
# utf-8
n = int(input())

if n % 3 == 0:
    print("YES")
else:
    print("NO")
    
step2　2つの倍数判定
# utf-8
n = int(input())

if n % 15 == 0:
    print("YES")
else:
    print("NO")
    
step3　偶奇の判定
# utf-8
n = int(input())
a = [int(x) for x in input().split()]

even = 0

for ele in a:
    if ele % 2 == 0:
        even += 1

print(even, n - even)

step4　曜日の判定
# utf-8
x = int(input())
week = ["Sat", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri"]

print(week[x % 7])

final　FizzBuzz
# utf-8
n = int(input())

if n % 3 == 0 and n % 5 == 0:
    print("FizzBuzz")
elif n % 3 == 0:
    print("Fizz")
elif n % 5 == 0:
    print("Buzz")
else:
    print(n)
    
<積の最小化>
step1　けた数の判定
# utf-8
N = int(input())
print(len(str(N)))

step2　足したり引いたり
# utf-8
n, a, b = [int(x) for x in input().split()]

if n + a + b == 0:
    print("YES")
elif n + a - b == 0:
    print("YES")
elif n - a + b == 0:
    print("YES")
elif n - a - b == 0:
    print("YES")
else:
    print("NO")
    
step3　同値判定
# utf-8
n = int(input())
a = [int(x) for x in input().split()]
b = [int(x) for x in input().split()]

ans = 0
for i in range(n):
    if a[i] == b[i]:
        ans += 1

print(ans)

step4　終了判定
# utf-8
n = int(input())
a = [int(x) for x in input().split()]

ans = 0
for ele in a:
    if ele % 2 == 1:
        break

    ans += ele

print(ans)

step5　終了判定2
# utf-8
n, k = [int(x) for x in input().split()]

m = 0
while n < k:
    n *= 2
    m += 1

print(m)

step6　池の周回
# utf-8
n, k, t = [int(x) for x in input().split()]

if k * t % n == 0:
    print("YES")
else:
    print("NO")
    
step7　崖に落ちるか判定
# utf-8
n, k, t = [int(x) for x in input().split()]

if n * k < t + 0.1:
    print("YES")
else:
    print("NO")
    
step8　タイルの敷き詰め
# utf-8
h, w = [int(x) for x in input().split()]

if h == 0 or w == 0:
    print("NO")
elif h % 2 == 0 and w % 2 == 0:
    print("YES")
else:
    print("NO")

final　積の最小化
# utf-8
a, b = [int(x) for x in input().split()]

if a <= 0 and b >= 0:
    # a から b の間に 0 が含まれる
    print(a * b)
elif a > 0:
    # a と b が両方とも正の数
    print(a * a)
else:
    # a と b が両方とも負の数
    print(b * b)