意若久时天然呆

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题解 | 多项式输出

import sys n, a, s = int(sys.stdin.readline()), list(map(int, sys.stdin.readline().strip().split())), "" for i in range(n + 1): if a[i]...

2026-01-26

1 15

题解 | 纸牌游戏

import sys for _ in range(int(sys.stdin.readline())): a1, a2, b1, b2 = map(int, sys.stdin.readline().strip().split()) w = 0 if (a1 > b...

2026-01-26

1 14

题解 | 计算一年中的第几天

import sys M = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] for line in sys.stdin: y, m, d = map(int, line.split()) if (y % 4 == 0 and y ...

2026-01-24

1 19

题解 | 小红的夹吃棋

import sys t = int(sys.stdin.readline()) for _ in range(t): a, kou, yukari = [sys.stdin.readline().strip() for _ in range(3)], 0, 0 for i in ...

2026-01-24

1 16

题解 | 特殊的科学计数法

import sys N = sys.stdin.readline().strip() a, b, c = int(N[0]), int(N[1]), len(N) - 1 if int(N[2]) >= 5: b += 1 if b == 10: b = 0 a +...

2026-01-22

1 18

题解 | 九倍平方数

import sys t = int(sys.stdin.readline()) for _ in range(t): n, n2, n3, s1 = list(map(int, sys.stdin.readline().strip())), 0, 0, 0 for i in n:...

2026-01-22

1 14

题解 | 元素方碑

import sys t = int(sys.stdin.readline()) for _ in range(t): n, a = int(sys.stdin.readline()), list(map(int, sys.stdin.readline().split())) if...

2026-01-21

1 15

题解 | 小红的字符串修改

import sys s, t = sys.stdin.readline().strip(), sys.stdin.readline().strip() ns, nt, m = len(s), len(t), -1 for i in range(nt - ns + 1): c = 0 ...

2026-01-20

1 15

题解 | 穷哈哈~

import sys n, s, c, m = int(sys.stdin.readline()), sys.stdin.readline(), 0, 0 for i in range(n): if s[i] in ("a", "h"): ...

2026-01-19

1 21

题解 | 小红的正整数构造

l, r, x = map(int, input().split()) y = l + x - l % x print(y if y <= r else -1)

2026-01-17

1 24