結果
問題 |
No.3000 Optimal Run Length Encoding
|
ユーザー |
![]() |
提出日時 | 2025-05-14 13:21:03 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,505 bytes |
コンパイル時間 | 783 ms |
コンパイル使用メモリ | 71,364 KB |
実行使用メモリ | 7,848 KB |
最終ジャッジ日時 | 2025-05-14 13:22:47 |
合計ジャッジ時間 | 13,061 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | WA * 1 |
other | WA * 142 |
ソースコード
#include <iostream> #include <string> #include <vector> #include <ios> // Required for std::ios_base int main() { // Faster I/O std::ios_base::sync_with_stdio(false); std::cin.tie(NULL); // Mapping from ciphertext char index (0='a', 1='b', ...) to plaintext char char mapping[26]; mapping['a' - 'a'] = 'c'; mapping['b' - 'a'] = 'q'; mapping['c' - 'a'] = 'l'; mapping['d' - 'a'] = 'm'; mapping['e' - 'a'] = 'd'; mapping['f' - 'a'] = 'r'; mapping['g' - 'a'] = 's'; mapping['h' - 'a'] = 't'; mapping['i' - 'a'] = 'f'; mapping['j' - 'a'] = 'x'; mapping['k' - 'a'] = 'y'; mapping['l' - 'a'] = 'z'; mapping['m' - 'a'] = 'b'; mapping['n' - 'a'] = 'a'; mapping['o' - 'a'] = 'n'; mapping['p' - 'a'] = 'o'; mapping['q' - 'a'] = 'p'; mapping['r' - 'a'] = 'u'; mapping['s' - 'a'] = 'v'; mapping['t' - 'a'] = 'w'; mapping['u' - 'a'] = 'e'; mapping['v' - 'a'] = 'g'; mapping['w' - 'a'] = 'h'; mapping['x' - 'a'] = 'i'; mapping['y' - 'a'] = 'j'; mapping['z' - 'a'] = 'k'; std::string ciphertext; std::cin >> ciphertext; std::string plaintext = ""; // Reserve space for efficiency, though not strictly necessary for length 30 plaintext.reserve(ciphertext.length()); for (char c : ciphertext) { plaintext += mapping[c - 'a']; // Look up the mapping } std::cout << plaintext << "\n"; // Use "\n" for newline, often faster than std::endl return 0; }