結果
| 問題 |
No.2287 ++ -- *=a /=a
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2023-04-28 22:31:33 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 564 ms / 2,000 ms |
| コード長 | 2,621 bytes |
| コンパイル時間 | 745 ms |
| コンパイル使用メモリ | 123,992 KB |
| 実行使用メモリ | 6,944 KB |
| 最終ジャッジ日時 | 2024-06-22 17:48:21 |
| 合計ジャッジ時間 | 3,962 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 27 |
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 INF = 10L^^18;
long solve(const(long) X, const(long) Y, const(long) A) {
alias Entry = Tuple!(long, "z", long, "c");
Entry[] es, fs;
{
long x = X;
long c;
for (; ; ) {
es ~= Entry(x, c);
if (x == 0) {
break;
}
x /= A;
c += 1;
}
}
{
long y0 = Y, y1 = Y;
long c0, c1;
long cost;
for (; ; ) {
fs ~= Entry(y0, c0);
fs ~= Entry(y1, c1);
if (y0 == 0 && y1 <= 1) {
break;
}
const yy0 = y0 / A;
const yy1 = (y1 + A - 1) / A;
long[long] cc;
cc[yy0] = INF;
cc[yy1] = INF;
foreach (h; 0 .. 2) {
const y = (h == 0) ? y0 : y1;
const c = (h == 0) ? c0 : c1;
const r = y % A;
const s = r ? (A - r) : 0;
chmin(cc[(y - r) / A], c + r + 1);
chmin(cc[(y + s) / A], c + s + 1);
}
y0 = yy0;
y1 = yy1;
c0 = cc[yy0];
c1 = cc[yy1];
}
}
debug {
writeln("es = ", es);
writeln("fs = ", fs);
}
long ans = INF;
foreach (e; es) foreach (f; fs) {
chmin(ans, e.c + abs(e.z - f.z) + f.c);
}
return ans;
}
void main() {
try {
for (; ; ) {
const numCases = readInt;
foreach (caseId; 0 .. numCases) {
const X = readLong;
const Y = readLong;
const A = readLong;
const ans = solve(X, Y, A);
writeln(ans);
}
}
} catch (EOFException e) {
}
}