結果
| 問題 | No.2505 matriX cOnstRuction |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2023-10-13 22:51:48 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 2,340 ms / 2,500 ms |
| コード長 | 3,794 bytes |
| コンパイル時間 | 2,167 ms |
| コンパイル使用メモリ | 128,204 KB |
| 実行使用メモリ | 60,940 KB |
| 最終ジャッジ日時 | 2024-09-15 18:37:15 |
| 合計ジャッジ時間 | 20,504 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 64 |
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; }
string COLOR(string s = "") { return "\x1b[" ~ s ~ "m"; }
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 E = 30;
enum INF = 10L^^9;
void main() {
try {
for (; ; ) {
const numCases = readInt;
foreach (caseId; 0 .. numCases) {
const M = readInt;
const N = readInt;
auto B = new int[M]; foreach (x; 0 .. M) B[x] = readInt;
auto C = new int[N]; foreach (y; 0 .. N) C[y] = readInt;
auto A = new int[][](M, N);
foreach (x; 0 .. M) foreach (y; 0 .. N) A[x][y] = readInt;
bool ok = true;
foreach (x; 0 .. M) foreach (y; 0 .. N) {
ok = ok && !(A[0][0] ^ A[0][y] ^ A[x][0] ^ A[x][y]);
}
long ans = INF;
if (ok) {
auto bs = new int[M];
auto cs = new int[N];
foreach (y; 0 .. N) cs[y] = A[0][y] ^ bs[0];
foreach (x; 1 .. M) bs[x] = A[x][0] ^ cs[0];
debug {
writeln("bs = ", bs, ", cs = ", cs);
}
alias Entry = Tuple!(int, "key", int, "val");
Entry[] es;
void add(int l, int r, int val) {
es ~= Entry(l, +val);
es ~= Entry(r, -val);
}
add(0, 1 << E, 0);
void check(int D, int d) {
debug {
writeln("check ", D, " ", d);
}
const e0 = D ? (bsr(D) + 1) : 0;
int l = (d >> e0) << e0;
int r = l + (1 << e0);
add(0, l, INF);
add(r, 1 << E, INF);
foreach_reverse (e; 0 .. e0) {
const mid = (l + r) >> 1;
if (D >> e & 1) {
if (d >> e & 1) {
add(mid, r, 1);
r = mid;
} else {
add(l, mid, 1);
l = mid;
}
} else {
if (d >> e & 1) {
add(l, mid, 2);
l = mid;
} else {
add(mid, r, 2);
r = mid;
}
}
}
add(l, r, 1);
add(d, d + 1, -1);
}
foreach (x; 0 .. M) check(B[x], bs[x]);
foreach (y; 0 .. N) check(C[y], cs[y]);
es.sort;
const esLen = cast(int)(es.length);
long now;
foreach (j; 0 .. esLen - 1) {
now += es[j].val;
if (es[j].key < es[j + 1].key) {
debug {
writefln("[%s, %s): %s", es[j].key, es[j + 1].key, now);
}
chmin(ans, now);
}
}
}
writeln((ans < INF) ? ans : -1);
}
}
} catch (EOFException e) {
}
}