墙上有n个ASCII码,请你按顺序将它们赋值给char类型,然后进行输出,最终完成解码。 输入: 输入包含两行,第一行是一个整数n,表示接下来将有n个数字输入。第二行包含n个整数,是等待解码的ASCII码序列。 输出: 输出包含一行,n个字符连续输出,代表解码后的序列。#include <iostream> using namespace std; int main() { int n, x; return 0; }
要实现将输入的 ASCII 码序列解码为字符序列,可以在读取每个 ASCII 码后,将其转换为对应的字符并输出。以下是完整的代码: ```cpp #include <iostream> using namespace std; int main() { int n, x; // 读取 ASCII 码的数量 cin >> n; for(int i = 0; i < n; i++) { // 读取每个 ASCII 码 cin >> x; // 将 ASCII 码转换为字符并输出 cout << static_cast<char>(x); } return 0; } ``` 代码解释 1. 读取 ASCII 码数量:使用 `cin >> n;` 读取第一行输入的整数 `n`,它代表接下来要输入的 ASCII 码的数量。 2. 遍历并输出字符:使用 `for` 循环 `n` 次,每次循环中: - 读取一个整数 `x`,即一个 ASCII 码。 - 使用 `static_cast<char>(x)` 将该整数转换为对应的字符,并使用 `cout` 输出。 3. 输出结果:所有字符会连续输出,形成解码后的序列。 复杂度分析 - 时间复杂度:$O(n)$,其中 $n$ 是输入的 ASCII 码的数量,因为需要遍历每个 ASCII 码一次。 - 空间复杂度:$O(1)$,只使用了常数级的额外空间。 [2026-01-08 12:55:26 | AI问答 | 342点数解答]
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