摘要:
A. Doors in the Center 模拟 代码实现 n = int(input()) s = ['-']*n if n%2 == 0: s[n//2-1] = '=' s[n//2] = '=' else: s[n//2] = '=' print(''.join(s)) B. Full H 阅读全文
摘要:
A. Triple Four 模拟 代码实现 n = int(input()) a = list(map(int, input().split())) ans = any(a[i] == a[i+1] == a[i+2] for i in range(n-2)) print('Yes' if ans 阅读全文
摘要:
A. Strictly Increasing? 模拟 代码实现 #include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; int main() { int n; cin 阅读全文
摘要:
A. 22222 模拟 代码实现 s = input() print('2'*s.count('2')) B. cat 模拟 代码实现 n = int(input()) print(''.join(sorted((input() for _ in range(n)), key=len))) C. D 阅读全文