結果
| 問題 |
No.990 N×Mマス計算(Kの倍数)
|
| コンテスト | |
| ユーザー |
daut-dlang
|
| 提出日時 | 2020-02-14 23:03:39 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 3,507 bytes |
| コンパイル時間 | 790 ms |
| コンパイル使用メモリ | 123,928 KB |
| 実行使用メモリ | 16,364 KB |
| 最終ジャッジ日時 | 2024-06-22 05:09:39 |
| 合計ジャッジ時間 | 3,195 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 RE * 1 |
| other | AC * 10 WA * 3 RE * 6 |
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 = 998244353;
//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); }
long[2][] primeFact(long x)
{
long[2][] ans;
for (long i = 2; i*i <= x; ++i)
{
if (x % i != 0) continue;
long r;
while (x % i == 0)
{
++r;
x /= i;
}
ans ~= [i, r];
}
if (x != 1)
ans ~= [x, 1];
return ans;
}
void main()
{
auto N = RD;
auto M = RD;
auto K = RD;
auto op = RD!string;
auto B = new long[](M);
auto A = new long[](N);
foreach (i; 0..M)
B[i] = RD;
foreach (i; 0..N)
A[i] = RD;
long ans;
if (op[0] == '+')
{
long[long] set;
foreach (i; 0..M)
{
++set[B[i] % K];
}
foreach (i; 0..N)
{
auto x = K - A[i] % K;
ans += set.get(x, 0);
}
}
else
{
auto fact = primeFact(K);
fact.sort!"a[0] > b[0]"();
long[long] set;
foreach (i; 0..N)
{
bool ok;
long x = 1;
if (A[i] % K == 0)
{
++set[1];
continue;
}
else if (K % A[i] == 0)
{
++set[K / A[i]];
continue;
}
foreach (e; fact)
{
auto y = e[0]^^e[1];
if (ok)
x *= y;
else
{
if (y >= A[i])
{
if (y % A[i] == 0)
{
ok = true;
x *= y / A[i];
}
else
x *= y;
}
else if (A[i] % e[0] == 0)
{
ok = true;
auto tmp = A[i];
long cnt;
while (tmp > e[0])
{
if (tmp % e[0] != 0)
break;
++cnt;
tmp /= e[0];
}
x *= e[0]^^(e[1]-cnt);
}
else
x *= y;
}
}
++set[x];
}
foreach (key; set.keys)
{
foreach (i; 0..M)
{
if (B[i] % K == 0)
{
ans += set[key];
continue;
}
if (B[i] % key == 0)
{
ans += set[key];
debug writeln("key:", key, " B[", i, "]:", B[i]);
}
}
}
if (K == 1)
ans = N * M;
}
writeln(ans);
stdout.flush;
debug readln;
}
daut-dlang