結果
問題 | No.1084 積の積 |
ユーザー | daut-dlang |
提出日時 | 2020-06-19 23:19:23 |
言語 | D (dmd 2.106.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,940 bytes |
コンパイル時間 | 762 ms |
コンパイル使用メモリ | 123,880 KB |
実行使用メモリ | 9,240 KB |
最終ジャッジ日時 | 2024-06-22 07:29:19 |
合計ジャッジ時間 | 3,615 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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
6,812 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | WA | - |
testcase_05 | AC | 9 ms
6,940 KB |
testcase_06 | AC | 185 ms
7,376 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 17 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 4 ms
6,944 KB |
testcase_12 | AC | 43 ms
6,940 KB |
testcase_13 | AC | 96 ms
7,340 KB |
testcase_14 | AC | 33 ms
6,944 KB |
testcase_15 | AC | 31 ms
6,940 KB |
testcase_16 | AC | 110 ms
8,896 KB |
testcase_17 | AC | 42 ms
6,944 KB |
testcase_18 | AC | 71 ms
6,940 KB |
testcase_19 | AC | 98 ms
9,240 KB |
testcase_20 | AC | 21 ms
6,940 KB |
testcase_21 | AC | 33 ms
6,944 KB |
testcase_22 | AC | 26 ms
6,944 KB |
testcase_23 | AC | 55 ms
6,940 KB |
testcase_24 | AC | 49 ms
6,944 KB |
testcase_25 | AC | 95 ms
8,968 KB |
testcase_26 | AC | 114 ms
7,944 KB |
testcase_27 | AC | 118 ms
8,440 KB |
testcase_28 | AC | 124 ms
7,440 KB |
testcase_29 | AC | 118 ms
7,480 KB |
testcase_30 | AC | 116 ms
8,060 KB |
testcase_31 | AC | 114 ms
7,332 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)); } 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; } 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 double[](N+1); b[0] = 0.0; foreach (i; 0..N) { b[i+1] = b[i] + log(cast(double)A[i]); } auto cnt = new long[](N+1); auto cnt2 = new long[](N+1); foreach (i; 0..N) { bool f(long j) { auto x = b[j+1]; return x < log(cast(double)10^^9) + b[i]; } 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; }