結果
| 問題 | No.1306 Exactly 2 Digits |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-12-03 00:52:14 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,236 bytes |
| 記録 | |
| コンパイル時間 | 2,068 ms |
| コンパイル使用メモリ | 176,712 KB |
| 実行使用メモリ | 25,592 KB |
| 平均クエリ数 | 1236.78 |
| 最終ジャッジ日時 | 2024-06-22 10:12:30 |
| 合計ジャッジ時間 | 17,769 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 111 WA * 12 |
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)); }
int N;
debug {
int[] A;
}
alias Pair = Tuple!(int, "p", int, "q");
Pair Ask(int i, int j) {
writefln("? %s %s", i + 1, j + 1);
stdout.flush;
int p, q;
debug {
p = A[i] / N - A[j] / N;
q = A[i] % N - A[j] % N;
if (p > q) {
swap(p, q);
}
} else {
p = readInt();
q = readInt();
}
return Pair(p, q);
}
void main() {
N = readInt();
debug {
A = new int[N^^2 - N];
foreach (i; 0 .. N^^2 - N) {
A[i] = readInt();
}
}
auto ans = new int[N^^2 - N];
ans[] = -1;
alias Entry = Tuple!(Pair, "val", int, "id");
Entry[] es;
foreach (i; 1 .. N^^2 - N) {
const res = Ask(i, 0);
es ~= Entry(res, i);
}
const esLen = cast(int)(es.length);
es.sort;
debug {
writeln("es = ", es);
}
Pair mn = Pair(0, 0);
Pair mx = Pair(0, 0);
foreach (ref e; es) {
if (mn.p + mn.q > e.val.p + e.val.q) mn = e.val;
if (mx.p + mx.q < e.val.p + e.val.q) mx = e.val;
}
debug {
writeln("mn = ", mn);
writeln("mx = ", mx);
}
int[] a0s;
foreach (s; 0 .. 2) foreach (t; 0 .. 2) {
const x0mn = 1 - (s ? mn.q : mn.p);
const y0mn = 0 - (s ? mn.p : mn.q);
const x0mx = N - 1 - (t ? mx.q : mx.p);
const y0mx = N - 1 - (t ? mx.p : mx.q);
debug {
writefln("(%s, %s), (%s, %s)", x0mn, y0mn, x0mx, y0mx);
}
if (x0mn == x0mx && y0mn == y0mx) {
a0s ~= x0mn * N + y0mn;
}
}
a0s = a0s.sort.uniq.array;
assert(a0s.length == 1);
ans[0] = a0s[0];
int[2] nices;
nices[] = -1;
foreach (phase; 0 .. 2) {
for (int x = 0, y; x < esLen; x = y) {
for (y = x; y < esLen && es[x].val == es[y].val; ++y) {}
const x1 = ans[0] / N + es[x].val.p;
const y1 = ans[0] % N + es[x].val.q;
const x2 = ans[0] / N + es[x].val.q;
const y2 = ans[0] % N + es[x].val.p;
if (y - x == 1) {
if (phase == 0) {
const i = es[x].id;
if (1 <= x1 && x1 <= N - 1 && 0 <= y1 && y1 <= N - 1) {
ans[i] = x1 * N + y1;
} else {
ans[i] = x2 * N + y2;
}
}
} else if (y - x == 2) {
if (phase == 1) {
const i = es[x].id;
const j = es[x + 1].id;
const k = nices[(x1 ^ y1 ^ 1) & 1];
const res = Ask(k, i);
debug {
writeln(i, " ", j, " ", k, ": ", res);
}
if ((ans[k] / N - x1 == res.p && ans[k] % N - y1 == res.q) ||
(ans[k] / N - x1 == res.q && ans[k] % N - y1 == res.p)) {
ans[i] = x1 * N + y1;
ans[j] = x2 * N + y2;
} else {
ans[i] = x2 * N + y2;
ans[j] = x1 * N + y1;
}
}
} else {
assert(false);
}
}
if (phase == 0) {
foreach (i; 0 .. N^^2 - N) {
if (ans[i] != -1) {
nices[((ans[i] / N) ^ (ans[i] % N)) & 1] = i;
}
}
debug {
writeln("nices = ", nices);
}
}
}
write("!");
foreach (i; 0 .. N^^2 - N) {
write(" ", ans[i]);
}
writeln;
stdout.flush;
}