結果

問題 No.18 うーさー暗号
ユーザー m0ntBL4Nc
提出日時 2019-09-08 17:14:01
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 1 ms / 5,000 ms
コード長 2,110 bytes
コンパイル時間 12,643 ms
コンパイル使用メモリ 383,208 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-06-27 15:04:52
合計ジャッジ時間 13,533 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 13
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

fn getline() -> String {
let mut __ret = String::new();
std::io::stdin().read_line(&mut __ret).ok();
return __ret;
}
fn codepoint_to_alphabet(codepoint: i32) -> &'static str {
let alphabet = match codepoint {
65 => "A",
66 => "B",
67 => "C",
68 => "D",
69 => "E",
70 => "F",
71 => "G",
72 => "H",
73 => "I",
74 => "J",
75 => "K",
76 => "L",
77 => "M",
78 => "N",
79 => "O",
80 => "P",
81 => "Q",
82 => "R",
83 => "S",
84 => "T",
85 => "U",
86 => "V",
87 => "W",
88 => "X",
89 => "Y",
90 => "Z",
97 => "a",
98 => "b",
99 => "c",
100 => "d",
101 => "e",
102 => "f",
103 => "g",
104 => "h",
105 => "i",
106 => "j",
107 => "k",
108 => "l",
109 => "m",
110 => "n",
111 => "o",
112 => "p",
113 => "q",
114 => "r",
115 => "s",
116 => "t",
117 => "u",
118 => "v",
119 => "w",
120 => "x",
121 => "y",
122 => "z",
_ => "",
};
alphabet
}
fn main() {
let mut s = getline();
s = s.trim().to_string();
let s_vec: Vec<char> = s.chars().collect();
let mut decrypted_s: String = "".to_string();
for (ui, c) in s_vec.into_iter().enumerate() {
let i = ui as i32;
let codepoint = c as i32;
let mut decrypted_codepoint = codepoint - ((i+1) % 26);
if codepoint >= 97 && codepoint <= 122 { // a ~ z
if decrypted_codepoint < 97 {
decrypted_codepoint += 26;
}
} else if codepoint >= 65 && codepoint <= 90 { // A ~ Z
if decrypted_codepoint < 65 {
decrypted_codepoint += 26
}
}
let alphabet = codepoint_to_alphabet(decrypted_codepoint);
decrypted_s += alphabet;
}
println!("{}", decrypted_s);
}
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