結果
| 問題 |
No.1358 [Zelkova 2nd Tune *] 語るなら枚数を...
|
| コンテスト | |
| ユーザー |
rokahikou1
|
| 提出日時 | 2021-01-23 20:49:24 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 5,291 bytes |
| コンパイル時間 | 1,914 ms |
| コンパイル使用メモリ | 174,172 KB |
| 実行使用メモリ | 6,824 KB |
| 最終ジャッジ日時 | 2024-12-31 14:18:44 |
| 合計ジャッジ時間 | 12,642 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 1 WA * 14 TLE * 2 |
ソースコード
#include <bits/stdc++.h>
#define rep(i, n) for(int(i) = 0; (i) < (n); (i)++)
#define FOR(i, m, n) for(int(i) = (m); (i) < (n); (i)++)
#define ALL(v) (v).begin(), (v).end()
#define LLA(v) (v).rbegin(), (v).rend()
#define SZ(v) (v).size()
#define INT(...) \
int __VA_ARGS__; \
read(__VA_ARGS__)
#define LL(...) \
ll __VA_ARGS__; \
read(__VA_ARGS__)
#define DOUBLE(...) \
double __VA_ARGS__; \
read(__VA_ARGS__)
#define CHAR(...) \
char __VA_ARGS__; \
read(__VA_ARGS__)
#define STRING(...) \
string __VA_ARGS__; \
read(__VA_ARGS__)
#define VEC(type, name, size) \
vector<type> name(size); \
read(name)
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using Graph = vector<vector<int>>;
template <typename T> struct edge {
int to;
T cost;
edge(int t, T c) : to(t), cost(c) {}
};
template <typename T> using WGraph = vector<vector<edge<T>>>;
const int INF = 1 << 30;
const ll LINF = 1LL << 60;
const int MOD = 1e9 + 7;
template <class T> inline vector<T> make_vec(size_t a, T val) {
return vector<T>(a, val);
}
template <class... Ts> inline auto make_vec(size_t a, Ts... ts) {
return vector<decltype(make_vec(ts...))>(a, make_vec(ts...));
}
void read() {}
template <class T> inline void read(T &a) { cin >> a; }
template <class T, class S> inline void read(pair<T, S> &p) {
read(p.first), read(p.second);
}
template <class T> inline void read(vector<T> &v) {
for(auto &a : v)
read(a);
}
template <class Head, class... Tail>
inline void read(Head &head, Tail &...tail) {
read(head), read(tail...);
}
template <class T> inline void chmax(T &a, T &b) { (a < b ? a = b : a); }
template <class T> inline void chmin(T &a, T &b) { (a > b ? a = b : a); }
template <uint_fast64_t MOD> class ModInt {
using u64 = uint_fast64_t;
public:
u64 val;
ModInt(const u64 x = 0) : val((x + MOD) % MOD) {}
constexpr u64 &value() { return val; }
constexpr ModInt operator-() { return val ? MOD - val : 0; }
constexpr ModInt operator+(const ModInt &rhs) const {
return ModInt(*this) += rhs;
}
constexpr ModInt operator-(const ModInt &rhs) const {
return ModInt(*this) -= rhs;
}
constexpr ModInt operator*(const ModInt &rhs) const {
return ModInt(*this) *= rhs;
}
constexpr ModInt operator/(const ModInt &rhs) const {
return ModInt(*this) /= rhs;
}
constexpr ModInt &operator+=(const ModInt &rhs) {
val += rhs.val;
if(val >= MOD) {
val -= MOD;
}
return *this;
}
constexpr ModInt &operator-=(const ModInt &rhs) {
if(val < rhs.val) {
val += MOD;
}
val -= rhs.val;
return *this;
}
constexpr ModInt &operator*=(const ModInt &rhs) {
val = val * rhs.val % MOD;
return *this;
}
constexpr ModInt &operator/=(const ModInt &rhs) {
*this *= rhs.inv();
return *this;
}
constexpr bool operator==(const ModInt &rhs) {
return this->val == rhs.val;
}
constexpr bool operator!=(const ModInt &rhs) {
return this->val != rhs.val;
}
friend constexpr ostream &operator<<(ostream &os, const ModInt<MOD> &x) {
return os << x.val;
}
friend constexpr istream &operator>>(istream &is, ModInt<MOD> &x) {
return is >> x.val;
}
constexpr ModInt inv() const { return ModInt(*this).pow(MOD - 2); }
constexpr ModInt pow(ll e) const {
u64 x = 1, p = val;
while(e > 0) {
if(e % 2 == 0) {
p = (p * p) % MOD;
e /= 2;
} else {
x = (x * p) % MOD;
e--;
}
}
return ModInt(x);
}
};
using mint = ModInt<MOD>;
ll extgcd(ll a, ll b, ll &x, ll &y) {
if(b == 0) {
x = 1;
y = 0;
return a;
}
ll d = extgcd(b, a % b, y, x);
y -= a / b * x;
return d;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
INT(t);
while(t--) {
VEC(ll, a, 3);
LL(y);
sort(LLA(a));
ll n = a[0], k = a[1], h = a[2];
mint res = 0;
ll g = __gcd(k, h);
k /= g, h /= g;
for(int i = 0; i <= y / n; i++) {
ll s = y - n * i;
ll p, q;
if(s % g != 0)
continue;
s /= g;
extgcd(k, h, p, q);
res += mint(max(0LL, (s * q) / k - ((-p) * s + h - 1) / h + 1));
}
cout << res << endl;
}
}
rokahikou1