結果
問題 | No.1084 積の積 |
ユーザー | daut-dlang |
提出日時 | 2020-06-19 23:11:40 |
言語 | D (dmd 2.106.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,010 bytes |
コンパイル時間 | 765 ms |
コンパイル使用メモリ | 122,876 KB |
実行使用メモリ | 13,488 KB |
最終ジャッジ日時 | 2024-06-22 07:28:42 |
合計ジャッジ時間 | 5,199 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 2 ms
6,944 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | AC | 9 ms
6,944 KB |
testcase_06 | AC | 349 ms
12,076 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 18 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 6 ms
6,940 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 72 ms
6,940 KB |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 34 ms
6,944 KB |
testcase_21 | AC | 58 ms
6,944 KB |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
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)); } long mod = 10^^9 + 7; //long mod = 998_244_353; //long mod = 1_000_003; void moda(T)(ref T x, T y) { x = (x + y) % mod; } void mods(T)(ref T x, T y) { x = ((x + mod) - (y % mod)) % mod; } void modm(T)(ref T x, T y) { x = (x * y) % mod; } void modpow(T)(ref T x, T y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); } void modd(T)(ref T x, T y) { y.modpow(mod - 2); x.modm(y); } T binarySearch(alias pred, T)(T ok, T ng) { while (abs(ok-ng) > 1) { auto mid = (ok+ng)/2; if (unaryFun!pred(mid)) ok = mid; else ng = mid; } return ok; } 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) const { size_t n = (data.length+1) / 2; l += n-1; r += n-1; T res = f(init, data[l]); 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 A = RDA; bool ok = true; foreach (i; 0..N) { if (A[i] == 0) ok = false; } if (!ok) { writeln(0); } else { auto b = new long[2][](N); foreach (i; 0..N) { b[i] = [A[i], 0]; } long[2] func(in long[2] x, in long[2] y) { long[2] z; z[0] = x[0] * y[0]; z[1] = x[1] | y[1]; z[1] |= z[0] >= 10^^9 ? 1 : 0; return z; } auto st = new SegTree!(long[2])(b, &func, [1, 0]); auto cnt = new long[](N+1); auto cnt2 = new long[](N+1); foreach (i; 0..N) { bool f(long j) { auto x = st.query(i, j); return x[1] == 0; } auto r = binarySearch!(f)(i, N); cnt[i] = r - i + 1; --cnt2[i]; debug writeln("r:", min(i+cnt[i], N)); ++cnt2[min(i+cnt[i], N)]; } debug writeln(cnt2); foreach (i; 0..N) { cnt2[i+1] += cnt2[i]; } debug writeln(cnt); debug writeln(cnt2); long ans = 1; foreach (i; 0..N) { debug writeln("cnt[i]:", cnt[i]); auto x = A[i]; x.modpow(cnt[i]); ans.modm(x); cnt[i+1] += cnt[i] + cnt2[i]; } writeln(ans); } stdout.flush; debug readln; }