結果
問題 | No.2321 Continuous Flip |
ユーザー | 👑 hos.lyric |
提出日時 | 2023-05-27 02:55:33 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 512 ms / 2,000 ms |
コード長 | 2,530 bytes |
コンパイル時間 | 1,011 ms |
コンパイル使用メモリ | 137,488 KB |
実行使用メモリ | 50,756 KB |
最終ジャッジ日時 | 2024-06-22 17:59:10 |
合計ジャッジ時間 | 17,968 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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
6,816 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 489 ms
48,672 KB |
testcase_05 | AC | 512 ms
46,232 KB |
testcase_06 | AC | 499 ms
47,320 KB |
testcase_07 | AC | 499 ms
46,220 KB |
testcase_08 | AC | 471 ms
49,348 KB |
testcase_09 | AC | 470 ms
48,096 KB |
testcase_10 | AC | 472 ms
47,596 KB |
testcase_11 | AC | 463 ms
47,868 KB |
testcase_12 | AC | 463 ms
48,880 KB |
testcase_13 | AC | 474 ms
49,848 KB |
testcase_14 | AC | 477 ms
50,756 KB |
testcase_15 | AC | 477 ms
49,424 KB |
testcase_16 | AC | 473 ms
47,812 KB |
testcase_17 | AC | 466 ms
48,740 KB |
testcase_18 | AC | 469 ms
48,360 KB |
testcase_19 | AC | 464 ms
49,876 KB |
testcase_20 | AC | 476 ms
47,752 KB |
testcase_21 | AC | 474 ms
49,980 KB |
testcase_22 | AC | 485 ms
50,008 KB |
testcase_23 | AC | 472 ms
48,144 KB |
testcase_24 | AC | 326 ms
46,860 KB |
testcase_25 | AC | 1 ms
6,940 KB |
testcase_26 | AC | 253 ms
35,036 KB |
testcase_27 | AC | 297 ms
45,380 KB |
testcase_28 | AC | 419 ms
47,568 KB |
testcase_29 | AC | 412 ms
46,220 KB |
testcase_30 | AC | 422 ms
46,720 KB |
testcase_31 | AC | 425 ms
46,292 KB |
testcase_32 | AC | 421 ms
47,652 KB |
testcase_33 | AC | 428 ms
46,304 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.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; } 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)); } /* cost A[i] to flip [i, i+1) flip all ==> path from 0 to N */ enum INF = 10L^^18; void main() { try { for (; ; ) { const N = readInt; const M = readInt; const C = readLong; auto A = new long[N]; foreach (u; 0 .. N) { A[u] = readLong; } auto L = new int[M]; auto R = new int[M]; foreach (i; 0 .. M) { L[i] = readInt - 1; R[i] = readInt; } alias Edge = Tuple!(long, "c", int, "v"); auto G = new Edge[][N + 1]; foreach (u; 0 .. N) { G[u] ~= Edge(A[u], u + 1); G[u + 1] ~= Edge(A[u], u); } foreach (i; 0 .. M) { G[L[i]] ~= Edge(C, R[i]); G[R[i]] ~= Edge(C, L[i]); } alias Entry = Tuple!(long, "c", int, "u"); BinaryHeap!(Array!Entry, "a.c > b.c") que; auto dist = new long[N + 1]; dist[] = INF; que.insert(Entry(dist[0] = 0, 0)); for (; !que.empty; ) { const c = que.front.c; const u = que.front.u; que.removeFront; if (dist[u] == c) { foreach (e; G[u]) { const cc = c + e.c; const v = e.v; if (chmin(dist[v], cc)) { que.insert(Entry(cc, v)); } } } } long ans = A.sum; ans -= dist[N]; writeln(ans); } } catch (EOFException e) { } }