結果
問題 | No.1087 転倒数の転倒数 |
ユーザー |
👑 |
提出日時 | 2020-06-19 22:52:03 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 415 ms / 2,000 ms |
コード長 | 3,511 bytes |
コンパイル時間 | 889 ms |
コンパイル使用メモリ | 122,372 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 07:27:35 |
合計ジャッジ時間 | 12,688 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 6 |
other | AC * 31 |
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)); }void main() {debug {foreach (n; 1 .. 5 + 1) {auto perm = iota(n).array;do {int orig;foreach (i0; 0 .. n) foreach (i1; i0 + 1 .. n) {if (perm[i0] < perm[i1]) {++orig;}}auto a = new int[][](n, n);foreach (i; 0 .. n) {a[i][perm[i]] = 1;}auto rows = new int[n];auto cols = new int[n];foreach (x; 0 .. n) {foreach (y0; 0 .. n) foreach (y1; y0 + 1 .. n) {if (a[x][y0] > a[x][y1]) {++rows[x];}}}foreach (y; 0 .. n) {foreach (x0; 0 .. n) foreach (x1; x0 + 1 .. n) {if (a[x0][y] > a[x1][y]) {++cols[y];}}}int total;foreach (x0; 0 .. n) foreach (x1; x0 + 1 .. n) {if (rows[x0] > rows[x1]) {++total;}}foreach (y0; 0 .. n) foreach (y1; y0 + 1 .. n) {if (cols[y0] > cols[y1]) {++total;}}writeln(perm, " ", rows, " ", cols, " ", total);assert(2 * orig == total);} while (perm.nextPermutation);}}try {for (; ; ) {const N = readInt();const K = readInt();if (0 <= K && K <= N * (N - 1)) {int k = (K + 1) / 2;auto perm = iota(N).array;foreach (_; 0 .. N - 1) {foreach (i; 0 .. N - 1) {if (perm[i] < perm[i + 1]) {if (k > 0) {--k;swap(perm[i], perm[i + 1]);}}}}debug {writeln("perm = ", perm);}auto ans = new int[][](N, N);foreach (x; 0 .. N) {ans[x][] = 3;ans[x][perm[x]] = 0;}if (K % 2 != 0) {assert(perm[0] != 0);ans[0][0 .. perm[0] - 1] = 2;ans[0][perm[0] - 1] = 1;ans[0][perm[0]] = 2;}writeln("Yes");foreach (x; 0 .. N) {foreach (y; 0 .. N) {if (y > 0) write(" ");write(ans[x][y]);}writeln;}} else {writeln("No");}}} catch (EOFException e) {}}