結果
問題 | No.1996 <>< |
ユーザー | daut-dlang |
提出日時 | 2022-07-01 23:07:25 |
言語 | D (dmd 2.106.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,119 bytes |
コンパイル時間 | 1,036 ms |
コンパイル使用メモリ | 132,472 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 15:39:22 |
合計ジャッジ時間 | 11,145 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | WA | - |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 3 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 471 ms
6,940 KB |
testcase_12 | AC | 953 ms
6,944 KB |
testcase_13 | AC | 865 ms
6,944 KB |
testcase_14 | AC | 833 ms
6,940 KB |
testcase_15 | AC | 716 ms
6,940 KB |
testcase_16 | AC | 614 ms
6,944 KB |
testcase_17 | AC | 715 ms
6,940 KB |
testcase_18 | AC | 407 ms
6,944 KB |
testcase_19 | AC | 483 ms
6,944 KB |
testcase_20 | AC | 491 ms
6,940 KB |
testcase_21 | AC | 630 ms
6,940 KB |
testcase_22 | AC | 752 ms
6,944 KB |
testcase_23 | AC | 28 ms
6,940 KB |
testcase_24 | AC | 412 ms
6,944 KB |
testcase_25 | AC | 201 ms
6,944 KB |
testcase_26 | AC | 340 ms
6,940 KB |
testcase_27 | AC | 68 ms
6,940 KB |
testcase_28 | AC | 1 ms
6,944 KB |
testcase_29 | AC | 177 ms
6,940 KB |
testcase_30 | AC | 10 ms
6,940 KB |
testcase_31 | AC | 71 ms
6,940 KB |
testcase_32 | AC | 3 ms
6,940 KB |
ソースコード
import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); } double euDist(T)(T[] a, T[] b) { auto c = a.dup; c[] -= b[]; c[] *= c[]; return sqrt(cast(double)c.sum); } double[] rotate(double[] vec, double rad) { return [cos(rad)*vec[0] - sin(rad)*vec[1], sin(rad)*vec[0] + cos(rad)*vec[1]]; } double norm(double[] vec) { return sqrt(reduce!((a,b)=>a+b*b)(0.0, vec)); } double dotProd(double[] a, double[] b) { auto r = a.dup; r[] *= b[]; return r.sum; } long mod = 10^^9 + 7; //long mod = 998_244_353; //long mod = 1_000_003; void moda(ref long x, long y) { x = (x + y) % mod; } void mods(ref long x, long y) { x = ((x + mod) - (y % mod)) % mod; } void modm(ref long x, long y) { x = (x * y) % mod; } void modpow(ref long x, long y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); } void modd(ref long x, long y) { y.modpow(mod - 2); x.modm(y); } long compress(in long[] arr, out long[long] zip, out long[] unzip) { auto index = MAKE_IDX(arr); long last = arr[index[0]], x; zip[last] = x; unzip ~= last; foreach (i; index[1..$]) { if (arr[i] == last) continue; last = arr[i]; ++x; zip[last] = x; unzip ~= last; } return x+1; } struct SegTree(T) { T delegate(const(T), const(T)) f; T[] data; T init; this(T[] _data, T delegate(const(T), const(T)) _f, T _init) { f = _f; init = _init; size_t n = 1; while (n < _data.length) n *= 2; data.length = n*2-1; foreach (i; 0.._data.length) data[i+n-1] = _data[i]; foreach (i; _data.length..n) data[i+n-1] = _init; foreach_reverse (i; 0..n-1) data[i] = f(data[i*2+1], data[i*2+2]); } T query(size_t l, size_t r) { size_t n = (data.length+1) / 2; l += n-1; r += n-1; T res = init; while (l < r) { if ((l & 1) == 0) res = f(res, data[l]); if ((r & 1) == 0) res = f(res, data[r-1]); l = l/2; r = (r-1)/2; } return res; } void update(size_t i, T v) { i += (data.length+1) / 2 - 1; data[i] = v; while (i != 0) { i = (i-1)/2; data[i] = f(data[i*2+1], data[i*2+2]); } } } void main() { auto N = RD; auto K = RD; auto A = RDA; auto s = RD!string; long[long] zip; long[] unzip; auto len = compress(A, zip, unzip); auto b = new long[](N); foreach (i; 0..N) b[i] = zip[A[i]]; auto dp = new long[](N); dp[] = 1; foreach (i; 0..K) { auto ndp = new long[](N); auto data = new long[](N); auto st = SegTree!(long)(data, (a, b)=>(a+b)%mod, 0); foreach (j; 0..N) { if (s[i] == '<') ndp[j] = st.query(0, b[j]); else ndp[j] = st.query(b[j]+1, len+1); auto x = st.query(b[j], b[j]+1); x.moda(dp[j]); st.update(b[j], x); } dp = ndp; } long ans; foreach (e; dp) ans.moda(e); writeln(ans); stdout.flush; debug readln; }