結果

問題 No.1747 Many Formulae 2
ユーザー daut-dlang
提出日時 2021-11-19 21:30:26
言語 D
(dmd 2.109.1)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 2,658 bytes
コンパイル時間 941 ms
コンパイル使用メモリ 120,928 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-06-22 13:18:55
合計ジャッジ時間 1,877 ms
ジャッジサーバーID
(参考情報)
judge3 / judge5
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ファイルパターン 結果
other AC * 19
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

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[] 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); }
void main()
{
auto S = RD!string;
long ans;
foreach (i; 0..2^^(S.length-1))
{
string str = [S[0]];
foreach (j; 0..S.length-1)
{
auto bit = 1L << j;
if (i & bit)
{
str ~= "+";
}
str ~= S[j+1];
}
auto tokens = str.split("+");
long x;
foreach (e; tokens)
{
x += e.to!long;
}
if (x == 1) continue;
bool ok = true;
for (long j = 2; j*j <= x; ++j)
{
if (x % j == 0)
{
ok = false;
break;
}
}
if (ok)
++ans;
}
writeln(ans);
stdout.flush;
debug readln;
}
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