結果
問題 | No.518 ローマ数字の和 |
ユーザー |
👑 |
提出日時 | 2020-03-28 00:54:23 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 2,299 bytes |
コンパイル時間 | 767 ms |
コンパイル使用メモリ | 120,544 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 05:57:31 |
合計ジャッジ時間 | 1,717 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 19 |
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string;import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons;import core.bitop;class EOFException : Throwable { this() { super("EOF"); } }string[] tokens;string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }int readInt() { return readToken.to!int; }long readLong() { return readToken.to!long; }real readReal() { return readToken.to!real; }bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1;(unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }enum L = 13;enum S = ["I", "IV", "V", "IX", "X", "XL", "L", "XC", "C", "CD", "D", "CM", "M"];enum X = [1, 4, 5, 9, 10, 40, 50, 90, 100, 400, 500, 900, 1000];int[string] tr;int romanToArabic(string s) {const len = cast(int)(s.length);int x;for (int i = 0; i < len; ) {if (i + 2 <= len && s[i .. i + 2] in tr) {x += tr[s[i .. i + 2]];i += 2;} else {assert(s[i .. i + 1] in tr);x += tr[s[i .. i + 1]];i += 1;}}return x;}string arabicToRoman(int x) {string s;foreach_reverse (l; 0 .. L) {for (; x >= X[l]; ) {s ~= S[l];x -= X[l];}}assert(x == 0);return s;}void main() {foreach (l; 0 .. L) {tr[S[l]] = X[l];}try {for (; ; ) {const N = readInt();auto R = new string[N];foreach (i; 0 .. N) {R[i] = readToken();}int sum;foreach (i; 0 .. N) {sum += romanToArabic(R[i]);}if (sum > 3999) {writeln("ERROR");} else {writeln(arabicToRoman(sum));}}} catch (EOFException e) {}}