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题解(26)

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全部文章（共71篇）

题解 | 输入n个整数，输出其中最小的k个

from heapq import * n,k = map(int,input().split()) l = [-1*int(i) for i in input().split()] l1 = l[:k] heapify(l1) for i in range(k,n): heappush(l...

2025-03-02

0 27

题解 | 小红的“质数”寻找

from sys import stdin,stdout input = lambda:stdin.readline().strip() for _ in range(int(input())): x = input() len1 = len(x)-1 s = int(x[0...

2025-03-02

0 26

题解 | 质数因子

def euler_sieve(x): isprime = [True]*(x+2) primes = [] for i in range(2,x+1): if isprime[i]: primes.append(i) ...

2025-03-02

0 30

题解 | 挑7

n = int(input()) cnt = 0 for i in range(1,n+1): if "7" in str(i) or i%7 == 0: cnt += 1 print(cnt)

2025-03-02

0 20

题解 | 完全数计算

n = int(input()) def f(x): sum1 = 0 for i in range(1,x//2+1): if x%i == 0: sum1 += i return x == sum1 cnt = 0 for i in...

2025-03-02

0 21

题解 | 坐标移动

from sys import stdin input = lambda: stdin.readline().strip() x,y = 0,0 l = input().split(";") def f(q): global x,y try: ...

2025-03-01

0 32

题解 | 高精度整数加法

from decimal import * setcontext(Context(prec=100000,Emax=100000,Emin=-100)) a,b = Decimal(input()),Decimal(input()) print(a+b)

2025-03-01

0 27

题解 | 求int型正整数在内存中存储时1的个数

cnt = 0 n = int(input()) while n != 0: cnt += n%2 n //= 2 print(cnt)

2025-03-01

0 29

题解 | 字符串排序

n = int(input()) l = [input() for _ in range(n)] print("\n".join(sorted(l)))

2025-03-01

0 35

题解 | 句子逆序

print(" ".join(input().split()[::-1]))

2025-03-01

0 27