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题解 | 金币

n = int(input()) s = 0 i = 1 while n > i: n = n - i i = i + 1 for j in range(i): s = s + j**2 s = s + n * i print(s)

2025-12-13

1 5

题解 | 小乐乐与进制转换

n = int(input()) l = [] while n > 0: l.append(str(n % 6)) n = n // 6 l = l[::-1] print(''.join(l))

2025-12-13

1 7

题解 | 反向输出一个四位数

print(input()[::-1])

2025-12-13

1 6

题解 | 公务员面试

while True: try: l = list(map(int,input().split())) l.remove(max(l)) l.remove(min(l)) s = 0 for i in l: ...

2025-12-13

1 6

题解 | 包含数字9的数

s = 0 for i in range(2020): i = str(i) if '9' in i: s = s + 1 print(s)

2025-12-13

1 6

题解 | 数位之和

n = input().strip() s = 0 for i in n: i = int(i) s = s + i print(s)

2025-12-13

1 5

题解 | 牛牛学数列4

n = int(input()) s = 0 for i in range(1,n+1): s = s + (n + 1 - i) * i print(s)

2025-12-13

1 3

题解 | 牛牛学数列2

n = int(input()) s = 0 for i in range(1,n+1): s = s + 1/i print(s)

2025-12-13

0 7

题解 | 牛牛学数列

n = int(input()) s = 0 for i in range(1,n+1): if i % 2 == 0: s = s - i else: s = s + i print(s)

2025-12-13

1 6

题解 | 乘法表

for h in range(1,10): for s in range(1,h+1): j = h * s if j >= 10: print(f'{s}*{h}={j}',end=' ') else: ...

2025-12-13

1 8