結果
問題 | No.655 E869120 and Good Triangles |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-07-21 17:59:34 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 1,413 ms / 2,500 ms |
コード長 | 3,664 bytes |
コンパイル時間 | 979 ms |
コンパイル使用メモリ | 121,272 KB |
実行使用メモリ | 325,488 KB |
最終ジャッジ日時 | 2024-06-22 01:55:00 |
合計ジャッジ時間 | 27,277 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1,413 ms
323,772 KB |
testcase_11 | AC | 1,380 ms
323,732 KB |
testcase_12 | AC | 1,360 ms
323,968 KB |
testcase_13 | AC | 1,384 ms
323,940 KB |
testcase_14 | AC | 1,395 ms
323,820 KB |
testcase_15 | AC | 1,325 ms
324,748 KB |
testcase_16 | AC | 1,338 ms
323,860 KB |
testcase_17 | AC | 1,350 ms
325,488 KB |
testcase_18 | AC | 1,348 ms
323,864 KB |
testcase_19 | AC | 1,342 ms
324,312 KB |
testcase_20 | AC | 1,346 ms
324,968 KB |
testcase_21 | AC | 1,317 ms
323,964 KB |
testcase_22 | AC | 1,339 ms
325,268 KB |
testcase_23 | AC | 1,288 ms
324,328 KB |
testcase_24 | AC | 1,132 ms
323,964 KB |
testcase_25 | AC | 998 ms
324,400 KB |
testcase_26 | AC | 995 ms
323,776 KB |
testcase_27 | AC | 969 ms
323,988 KB |
testcase_28 | AC | 1,053 ms
324,612 KB |
testcase_29 | AC | 995 ms
323,228 KB |
testcase_30 | AC | 1 ms
6,944 KB |
testcase_31 | AC | 1 ms
6,944 KB |
testcase_32 | AC | 1 ms
6,940 KB |
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.complex, std.container, std.math, 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)); } /* 00 10 01 20 11 02 30 21 12 03 */ int N, K; long P; int[] X, Y; int[][] D; void bfs() { auto q = new int[N * (N + 1)]; int qHead, qTail; D = new int[][](N, N); foreach (x; 0 .. N) foreach (y; 0 .. N) { if (x + y < N) { D[x][y] = 2 * N; } } foreach (k; 0 .. K) { D[X[k]][Y[k]] = 0; q[qTail++] = X[k]; q[qTail++] = Y[k]; } for (; qHead != qTail; ) { const x = q[qHead++]; const y = q[qHead++]; void update(int xx, int yy) { if (D[xx][yy] > D[x][y] + 1) { D[xx][yy] = D[x][y] + 1; q[qTail++] = xx; q[qTail++] = yy; } } if (x + y + 1 < N) { update(x + 1, y); update(x, y + 1); } if (x - 1 >= 0) { update(x - 1, y + 1); update(x - 1, y); } if (y - 1 >= 0) { update(x, y - 1); update(x + 1, y - 1); } } } void main() { try { for (; ; ) { N = readInt(); K = readInt(); P = readLong(); X = new int[K]; Y = new int[K]; foreach (k; 0 .. K) { X[k] = readInt() - 1; Y[k] = readInt() - 1; X[k] -= Y[k]; } bfs(); // D[x][0] + D[x][1] + ... auto sumX = new long[][](N, N + 1); foreach (x; 0 .. N) { foreach (y; 0 .. N - x) { sumX[x][y + 1] = sumX[x][y] + D[x][y]; } } // D[0][y] + D[1][y] + ... auto sumY = new long[][](N, N + 1); foreach (y; 0 .. N) { foreach (x; 0 .. N - y) { sumY[y][x + 1] = sumY[y][x] + D[x][y]; } } debug { foreach (z; 0 .. N) { write(' '.repeat(N - z)); foreach (y; 0 .. z + 1) { write(D[z - y][y], " "); } writeln(); } writeln("sumX = ", sumX); writeln("sumY = ", sumY); } long ans; foreach (z; 0 .. N) { long now; for (int y0 = 0, y1 = 0; y0 <= z; ++y0) { // D[z - y1][y0] + ... + D[z - y1][y1] for (; y1 <= z && (y1 < y0 || now + (sumX[z - y1][y1 + 1] - sumX[z - y1][y0]) < P); ++y1) { now += (sumX[z - y1][y1 + 1] - sumX[z - y1][y0]); } debug { writeln(z, " ", y0, " ", y1); } ans += z + 1 - y1; // D[z - (y1 - 1)][y0] + ... + D[z - y0][y0] now -= (sumY[y0][z - y0 + 1] - sumY[y0][z - (y1 - 1)]); } } writeln(ans); } } catch (EOFException e) { } }