QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#724920 | #7954. Special Numbers | gugugaga# | WA | 14ms | 9012kb | C++20 | 11.0kb | 2024-11-08 15:34:01 | 2024-11-08 15:34:03 |
Judging History
answer
/*************************************
* author: marvinthang *
* created: 08.11.2024 14:07:07 *
*************************************/
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define left ___left___
#define right ___right___
#define scan_op(...) istream & operator >> (istream &in, __VA_ARGS__ &u)
#define print_op(...) ostream & operator << (ostream &out, const __VA_ARGS__ &u)
#define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
#ifdef LOCAL
#include "debug.h"
#else
#define DB(...)
#define db(...) ""
#define debug(...)
#endif
namespace std {
template <class U, class V> scan_op(pair <U, V>) { return in >> u.first >> u.second; }
template <class T> scan_op(vector <T>) { for (size_t i = 0; i < u.size(); ++i) in >> u[i]; return in; }
template <class U, class V> print_op(pair <U, V>) { return out << '(' << u.first << ", " << u.second << ')'; }
template <size_t i, class T> ostream &print_tuple_utils(ostream &out, const T &tup) { if constexpr(i == tuple_size<T>::value) return out << ")"; else return print_tuple_utils<i + 1, T>(out << (i ? ", " : "(") << get<i>(tup), tup); }
template <class...U> print_op(tuple <U...>) { return print_tuple_utils<0, tuple <U...>>(out, u); }
template <class Con, class = decltype(begin(declval<Con>()))>typename enable_if <!is_same<Con, string>::value, ostream &>::type operator << (ostream &out, const Con &con) { out << '{'; for (__typeof(con.begin()) it = con.begin(); it != con.end(); ++it) out << (it == con.begin() ? "" : ", ") << *it; return out << '}'; }
template <class T> print_op(stack <T>) { vector <T> v; stack <T> st = u; while (!st.empty()) v.push_back(st.top()), st.pop(); reverse(v.begin(), v.end()); return out << v; }
template <class T> print_op(queue <T>) { queue <T> q = u; out << '{'; while (!q.empty()) { out << q.front(); q.pop(); if (!q.empty()) out << ", "; } out << '}'; return out; }
template <class T, class X, class Y> print_op(priority_queue <T, X, Y>) { priority_queue <T, X, Y> pq = u; out << '{'; while (!pq.empty()) { out << pq.top(); pq.pop(); if (!pq.empty()) out << ", "; } out << '}'; return out; }
template <class Fun> class y_combinator_result { Fun fun_; public: template <class T> explicit y_combinator_result(T &&fun): fun_(forward<T>(fun)) {} template <class...Args> decltype(auto)operator()(Args &&...args) { return fun_(ref(*this), forward<Args>(args)...); } };
template <class Fun> decltype(auto)y_combinator(Fun &&fun) { return y_combinator_result<decay_t<Fun>>(forward<Fun>(fun)); }
template <typename T, int D> struct Vec: public vector <Vec<T, D - 1>> { static_assert(D >= 1, "Vector dimension must be greater than zero!"); template <typename ...Args> Vec(int n = 0, Args ...args): vector <Vec<T, D - 1>>(n, Vec<T, D - 1>(args...)) {} };
template <typename T> struct Vec<T, 1>: public vector<T>{ Vec(int n = 0, const T &val = T()): vector<T>(n, val) {} };
#if __cplusplus < 202002L
template <class T> int ssize(const T &a) { return a.size(); }
#endif
}
namespace MODINT {
struct barrett {
unsigned int _m;
unsigned long long im;
explicit barrett(unsigned int m) : _m(m), im((unsigned long long)(-1) / m + 1) {}
unsigned int umod() const { return _m; };
unsigned int mul(unsigned int a, unsigned int b) const {
unsigned long long z = a; z *= b;
unsigned long long x = (unsigned long long)(((unsigned __int128) z * im) >> 64);
unsigned long long y = x * _m;
return (unsigned int)(z - y + (z < y ? _m : 0));
}
};
template <class T> T invGeneral(T a, T b) {
a %= b;
if (!a) return b == 1 ? 0 : -1;
T x = invGeneral(b, a);
return x == -1 ? -1 : ((1 - 1LL * b * x) / a + b) % b;
}
template <int m, enable_if_t<1 <= m>* = nullptr>
struct static_modint {
using mint = static_modint;
public:
static constexpr int mod() { return m; }
static mint raw(int v) {
mint x; x.v = v;
return x;
}
static_modint(): v(0) {}
template <class T> static_modint(T x) {
int y;
if (x < 0) {
if (x < -mod()) y = x % mod();
else y = x;
if (y < 0) y += mod();
} else {
if (x < mod()) y = x;
else y = x % mod();
}
v = y;
}
unsigned int val() const { return v; }
unsigned int operator () () const { return v; }
mint & operator ++ () { if (++v == umod()) v = 0; return *this; }
mint & operator -- () { if (!v) v = umod(); --v; return *this; }
mint operator ++ (int) { mint old = *this; ++*this; return old; }
mint operator -- (int) { mint old = *this; --*this; return old; }
mint operator + () { return *this; }
mint operator - () { return raw(!v ? 0 : umod() - v); }
mint & operator += (const mint &rhs) { v += rhs.v; if (v >= umod()) v -= umod(); return *this; }
mint & operator -= (const mint &rhs) { v -= rhs.v; if (v >= umod()) v += umod(); return *this; }
mint & operator *= (const mint &rhs) {
unsigned long long z = v; z *= rhs.v; v = z % umod();
return *this;
}
mint & operator /= (const mint &rhs) { return *this *= rhs.inv(); }
friend mint operator + (const mint &lhs, const mint &rhs) { return mint(lhs) += rhs; }
friend mint operator - (const mint &lhs, const mint &rhs) { return mint(lhs) -= rhs; }
friend mint operator * (const mint &lhs, const mint &rhs) { return mint(lhs) *= rhs; }
friend mint operator / (const mint &lhs, const mint &rhs) { return mint(lhs) /= rhs; }
mint pow(long long n) const {
assert(0 <= n);
mint res = 1, a = *this;
for (; n; n >>= 1, a *= a) if (n & 1) res *= a;
return res;
}
mint inv() const {
int i = invGeneral((int) v, mod());
assert(~i);
return i;
}
friend bool operator == (const mint& lhs, const mint& rhs) { return lhs.v == rhs.v; }
friend bool operator != (const mint& lhs, const mint& rhs) { return lhs.v != rhs.v; }
friend ostream & operator << (ostream &out, const mint &x) { return out << x.v; }
friend istream & operator >> (istream &in, mint &x) { long long a; in >> a; x = a; return in; }
explicit operator bool() const { return v; }
explicit operator int() const { return v; }
private:
unsigned int v;
static constexpr unsigned int umod() { return m; }
};
template <int id> struct dynamic_modint {
using mint = dynamic_modint;
public:
static int mod() { return (int) bt.umod(); }
static void set_mod(int m) {
assert(1 <= m);
bt = barrett(m);
}
static mint raw(int v) {
mint x; x.v = v;
return x;
}
dynamic_modint(): v(0) {}
template <class T> dynamic_modint(T x) {
int y;
if (x < 0) {
if (x < -mod()) y = x % mod();
else y = x;
if (y < 0) y += mod();
} else {
if (x < mod()) y = x;
else y = x % mod();
}
v = y;
}
unsigned int val() const { return v; }
unsigned int operator () () const { return v; }
mint & operator ++ () { if (++v == umod()) v = 0; return *this; }
mint & operator -- () { if (!v) v = umod(); --v; return *this; }
mint operator ++ (int) { mint old = *this; ++*this; return old; }
mint operator -- (int) { mint old = *this; --*this; return old; }
mint operator + () { return *this; }
mint operator - () { return raw(!v ? 0 : umod() - v); }
mint & operator += (const mint &rhs) { v += rhs.v; if (v >= umod()) v -= umod(); return *this; }
mint & operator -= (const mint &rhs) { v -= rhs.v; if (v >= umod()) v += umod(); return *this; }
mint & operator *= (const mint &rhs) {
v = bt.mul(v, rhs.v);
return *this;
}
mint & operator /= (const mint &rhs) { return *this *= rhs.inv(); }
friend mint operator + (const mint &lhs, const mint &rhs) { return mint(lhs) += rhs; }
friend mint operator - (const mint &lhs, const mint &rhs) { return mint(lhs) -= rhs; }
friend mint operator * (const mint &lhs, const mint &rhs) { return mint(lhs) *= rhs; }
friend mint operator / (const mint &lhs, const mint &rhs) { return mint(lhs) /= rhs; }
mint pow(long long n) const {
assert(0 <= n);
mint res = 1, a = *this;
for (; n; n >>= 1, a *= a) if (n & 1) res *= a;
return res;
}
mint inv() const {
int i = invGeneral((int) v, mod());
assert(~i);
return i;
}
friend bool operator == (const mint& lhs, const mint& rhs) { return lhs.v == rhs.v; }
friend bool operator != (const mint& lhs, const mint& rhs) { return lhs.v != rhs.v; }
friend ostream & operator << (ostream &out, const mint &x) { return out << x.v; }
friend istream & operator >> (istream &in, mint &x) { long long a; in >> a; x = a; return in; }
explicit operator bool() const { return v; }
explicit operator int() const { return v; }
private:
unsigned int v;
static barrett bt;
static unsigned int umod() { return bt.umod(); }
};
template <int id> barrett dynamic_modint<id>::bt(998244353);
using modint998244353 = static_modint<998244353>;
using modint1000000007 = static_modint<1000000007>;
using modint = dynamic_modint <-1>;
using Modular = modint1000000007;
} using namespace MODINT;
__int128 read_int128(void) {
string s; cin >> s;
__int128 res = 0;
for (char c : s) {
res = res * 10 + c - '0';
}
return res;
}
void process(void) {
long long k;
cin >> k;
__int128 l = read_int128(), r = read_int128();
int cnt_2 = 0, cnt_3 = 0, cnt_5 = 0, cnt_7 = 0;
while (k % 2 == 0) k /= 2, ++cnt_2;
while (k % 3 == 0) k /= 3, ++cnt_3;
while (k % 5 == 0) k /= 5, ++cnt_5;
while (k % 7 == 0) k /= 7, ++cnt_7;
if (k != 1) {
cout << "0\n";
return;
}
Vec <int, 2> f(10, 4);
f[0][0] = cnt_2;
f[0][1] = cnt_3;
f[0][2] = cnt_5;
f[0][3] = cnt_7;
for (int i = 1; i < 10; ++i) {
int d = i;
while (d % 2 == 0) d /= 2, ++f[i][0];
while (d % 3 == 0) d /= 3, ++f[i][1];
while (d % 5 == 0) d /= 5, ++f[i][2];
while (d % 7 == 0) d /= 7, ++f[i][3];
}
auto calc = [&] (__int128 r) -> Modular {
if (!r) return 0;
vector <int> digits;
while (r) {
digits.push_back(r % 10);
r /= 10;
}
int n = ssize(digits);
Vec <Modular, 6> dp(n + 1, cnt_2 + 1, cnt_3 + 1, cnt_5 + 1, cnt_7 + 1, 2);
dp[0][0][0][0][0][1] = 1;
Modular res = 0;
for (int i = 0; i < n; ++i) {
for (int c2 = 0; c2 <= cnt_2; ++c2) {
for (int c3 = 0; c3 <= cnt_3; ++c3) {
for (int c5 = 0; c5 <= cnt_5; ++c5) {
for (int c7 = 0; c7 <= cnt_7; ++c7) {
for (int le = 0; le < 2; ++le) {
if (!dp[i][c2][c3][c5][c7][le]) continue;
for (int d = 0; d < 10; ++d) {
int nc2 = min(cnt_2, c2 + f[d][0]);
int nc3 = min(cnt_3, c3 + f[d][1]);
int nc5 = min(cnt_5, c5 + f[d][2]);
int nc7 = min(cnt_7, c7 + f[d][3]);
int nle = d < digits[i] || (d == digits[i] && le);
dp[i + 1][nc2][nc3][nc5][nc7][nle] += dp[i][c2][c3][c5][c7][le];
if (d && (i + 1 < n || nle) && nc2 == cnt_2 && nc3 == cnt_3 && nc5 == cnt_5 && nc7 == cnt_7) {
res += dp[i][c2][c3][c5][c7][le];
}
}
}
}
}
}
}
}
return res;
};
cout << calc(r) - calc(l - 1) << '\n';
}
int main(void) {
ios_base::sync_with_stdio(false); cin.tie(nullptr);
file("test");
// int t; cin >> t; while (t--)
process();
return (0^0);
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3820kb
input:
5 1 20
output:
4
result:
ok single line: '4'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3568kb
input:
5 50 100
output:
19
result:
ok single line: '19'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3856kb
input:
15 11 19
output:
0
result:
ok single line: '0'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
1 100 100000
output:
99901
result:
ok single line: '99901'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3500kb
input:
1 1 1
output:
1
result:
ok single line: '1'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
10 800 43021
output:
23570
result:
ok single line: '23570'
Test #7:
score: 0
Accepted
time: 1ms
memory: 4028kb
input:
1125899906842624 1 100000000000000000000
output:
555058180
result:
ok single line: '555058180'
Test #8:
score: 0
Accepted
time: 1ms
memory: 4060kb
input:
187500000 5941554024261918062 17356601866920567143
output:
679191360
result:
ok single line: '679191360'
Test #9:
score: 0
Accepted
time: 1ms
memory: 3936kb
input:
1555848 157165614890794026 49792374427566422833
output:
588832126
result:
ok single line: '588832126'
Test #10:
score: 0
Accepted
time: 10ms
memory: 6816kb
input:
53814924637488000 8378901287491856069 46225409092942057365
output:
964965504
result:
ok single line: '964965504'
Test #11:
score: 0
Accepted
time: 11ms
memory: 9012kb
input:
11814720750000000 8152927138245188051 35351923956338524619
output:
183963359
result:
ok single line: '183963359'
Test #12:
score: 0
Accepted
time: 5ms
memory: 5180kb
input:
6453888000000 4334845344448208535 35982793193772682339
output:
570114022
result:
ok single line: '570114022'
Test #13:
score: 0
Accepted
time: 7ms
memory: 6020kb
input:
90071357282285400 7893548167754114409 27099084703937108974
output:
869822186
result:
ok single line: '869822186'
Test #14:
score: 0
Accepted
time: 7ms
memory: 6248kb
input:
45571065750000 177160749596350425 98884377930460959454
output:
607698665
result:
ok single line: '607698665'
Test #15:
score: 0
Accepted
time: 6ms
memory: 5908kb
input:
1128443962982400 6338876482181492537 40931938533793596007
output:
881168270
result:
ok single line: '881168270'
Test #16:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
1 1 1
output:
1
result:
ok single line: '1'
Test #17:
score: 0
Accepted
time: 3ms
memory: 4864kb
input:
1412793457031250 2410155470167050095 99063185266833009818
output:
399813226
result:
ok single line: '399813226'
Test #18:
score: 0
Accepted
time: 10ms
memory: 7360kb
input:
67722117120000 8909573534349989418 73129289758235281558
output:
898227227
result:
ok single line: '898227227'
Test #19:
score: 0
Accepted
time: 4ms
memory: 4692kb
input:
472055808000 6809917603531307093 27494416416722163137
output:
379198478
result:
ok single line: '379198478'
Test #20:
score: 0
Accepted
time: 4ms
memory: 5104kb
input:
19353600000 8687492345912514346 24058039408337150852
output:
250715555
result:
ok single line: '250715555'
Test #21:
score: 0
Accepted
time: 0ms
memory: 4280kb
input:
47855420020225440 6150828649270625443 84863934988301168136
output:
665186711
result:
ok single line: '665186711'
Test #22:
score: 0
Accepted
time: 2ms
memory: 4320kb
input:
1382400000 9545797804645162278 70441077437727026904
output:
278230087
result:
ok single line: '278230087'
Test #23:
score: 0
Accepted
time: 0ms
memory: 3988kb
input:
816293376 2952089614708276156 10939708785225040670
output:
120954190
result:
ok single line: '120954190'
Test #24:
score: 0
Accepted
time: 0ms
memory: 3808kb
input:
4185097875 1348426133484952253 56617823359794500344
output:
773995224
result:
ok single line: '773995224'
Test #25:
score: 0
Accepted
time: 3ms
memory: 4488kb
input:
5828945117184 7777082394971366991 63470232991138132969
output:
678496908
result:
ok single line: '678496908'
Test #26:
score: 0
Accepted
time: 3ms
memory: 4408kb
input:
16184770560 3869053219872876321 94590086601168840932
output:
168181821
result:
ok single line: '168181821'
Test #27:
score: 0
Accepted
time: 0ms
memory: 3864kb
input:
2 1 12
output:
6
result:
ok single line: '6'
Test #28:
score: 0
Accepted
time: 0ms
memory: 3756kb
input:
30146484375 290228705524339176 51853415145287716863
output:
229436627
result:
ok single line: '229436627'
Test #29:
score: 0
Accepted
time: 5ms
memory: 5268kb
input:
2072513819443200 3726664558969607832 42501102605103061370
output:
947952932
result:
ok single line: '947952932'
Test #30:
score: 0
Accepted
time: 14ms
memory: 8740kb
input:
9920232000000000 4602219263214498291 80783137037024823899
output:
846877519
result:
ok single line: '846877519'
Test #31:
score: 0
Accepted
time: 7ms
memory: 6576kb
input:
97200000000000000 9310820760839688870 35322929083473756214
output:
936587432
result:
ok single line: '936587432'
Test #32:
score: 0
Accepted
time: 1ms
memory: 4128kb
input:
45209390625 5752361069878044328 64635325028527078951
output:
578047592
result:
ok single line: '578047592'
Test #33:
score: 0
Accepted
time: 7ms
memory: 7284kb
input:
54442233216000 2452030574225118723 90982734056131320662
output:
417646585
result:
ok single line: '417646585'
Test #34:
score: 0
Accepted
time: 4ms
memory: 5052kb
input:
1530550080000 7431421026778839808 84825282227911272129
output:
600103842
result:
ok single line: '600103842'
Test #35:
score: 0
Accepted
time: 7ms
memory: 6152kb
input:
13765147361280 4924477486471254843 10002324705150566233
output:
951883713
result:
ok single line: '951883713'
Test #36:
score: 0
Accepted
time: 3ms
memory: 6028kb
input:
59825698242187500 6303744363677706767 91410210495502213963
output:
774734375
result:
ok single line: '774734375'
Test #37:
score: 0
Accepted
time: 8ms
memory: 6184kb
input:
110658879959040 2133591391458550040 48494371567095341228
output:
103505650
result:
ok single line: '103505650'
Test #38:
score: 0
Accepted
time: 0ms
memory: 3448kb
input:
1 3 100
output:
98
result:
ok single line: '98'
Test #39:
score: 0
Accepted
time: 7ms
memory: 5964kb
input:
3160365465600 8968721517098518892 78444481529635953131
output:
364620926
result:
ok single line: '364620926'
Test #40:
score: -100
Wrong Answer
time: 0ms
memory: 3656kb
input:
54838448056132899 4242999884713464056 92948071680698209741
output:
0
result:
wrong answer 1st lines differ - expected: '922087167', found: '0'