結果

問題 No.1358 [Zelkova 2nd Tune *] 語るなら枚数を...
ユーザー nok0nok0
提出日時 2020-10-23 21:40:35
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 665 ms / 2,000 ms
コード長 8,630 bytes
コンパイル時間 2,687 ms
コンパイル使用メモリ 202,588 KB
最終ジャッジ日時 2025-01-15 12:56:41
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 * 17
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘void scan(char*)’:
main.cpp:59:28: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   59 | void scan(char a[]) { scanf("%s", a); }
      |                       ~~~~~^~~~~~~~~

ソースコード

diff #
プレゼンテーションモードにする

/**
* author: nok0
* created: 2020.10.21 21:54:58
**/
#ifdef LOCAL
#define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>
using namespace std;
#pragma region Macros
#define FOR(i, l, r) for(int i = (l); i < (r); ++i)
#define REP(i, n) FOR(i, 0, n)
#define REPS(i, n) FOR(i, 1, n + 1)
#define RFOR(i, l, r) for(int i = (l); i >= (r); --i)
#define RREP(i, n) RFOR(i, n - 1, 0)
#define RREPS(i, n) RFOR(i, n, 1)
#define pb push_back
#define eb emplace_back
#define SZ(x) ((int)(x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
template <class T = int>
using V = vector<T>;
template <class T = int>
using VV = V<V<T>>;
using ll = long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
#define VEC(type, name, size) \
V<type> name(size); \
INPUT(name)
#define VVEC(type, name, h, w) \
VV<type> name(h, V<type>(w)); \
INPUT(name)
#define INT(...) \
int __VA_ARGS__; \
INPUT(__VA_ARGS__)
#define LL(...) \
ll __VA_ARGS__; \
INPUT(__VA_ARGS__)
#define STR(...) \
string __VA_ARGS__; \
INPUT(__VA_ARGS__)
#define CHAR(...) \
char __VA_ARGS__; \
INPUT(__VA_ARGS__)
#define DOUBLE(...) \
DOUBLE __VA_ARGS__; \
INPUT(__VA_ARGS__)
#define LD(...) \
LD __VA_ARGS__; \
INPUT(__VA_ARGS__)
void scan(int &a) { cin >> a; }
void scan(long long &a) { cin >> a; }
void scan(char &a) { cin >> a; }
void scan(double &a) { cin >> a; }
void scan(long double &a) { cin >> a; }
void scan(char a[]) { scanf("%s", a); }
void scan(string &a) { cin >> a; }
template <class T>
void scan(V<T> &);
template <class T, class L>
void scan(pair<T, L> &);
template <class T>
void scan(V<T> &a) {
for(auto &i : a) scan(i);
}
template <class T, class L>
void scan(pair<T, L> &p) {
scan(p.first);
scan(p.second);
}
template <class T>
void scan(T &a) { cin >> a; }
void INPUT() {}
template <class Head, class... Tail>
void INPUT(Head &head, Tail &... tail) {
scan(head);
INPUT(tail...);
}
template <class T>
inline void print(T x) { cout << x << '\n'; }
template <typename T1, typename T2>
istream &operator>>(istream &is, pair<T1, T2> &p) {
is >> p.first >> p.second;
return is;
}
template <typename T1, typename T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p) {
os << p.first << " " << p.second;
return os;
}
template <typename T>
istream &operator>>(istream &is, vector<T> &v) {
for(T &in : v) is >> in;
return is;
}
template <class T>
ostream &operator<<(ostream &os, const V<T> &v) {
REP(i, SZ(v)) {
if(i) os << " ";
os << v[i];
}
return os;
}
//debug
template <typename T>
void view(const V<T> &v) {
cerr << "{ ";
for(const auto &e : v) {
cerr << e << ", ";
}
cerr << "\b\b }";
}
template <typename T>
void view(const VV<T> &vv) {
cerr << "{\n";
for(const auto &v : vv) {
cerr << "\t";
view(v);
cerr << "\n";
}
cerr << "}";
}
template <typename T, typename U>
void view(const V<pair<T, U>> &v) {
cerr << "{\n";
for(const auto &c : v) cerr << "\t(" << c.first << ", " << c.second << ")\n";
cerr << "}";
}
template <typename T, typename U>
void view(const map<T, U> &m) {
cerr << "{\n";
for(auto &t : m) cerr << "\t[" << t.first << "] : " << t.second << "\n";
cerr << "}";
}
template <typename T, typename U>
void view(const pair<T, U> &p) { cerr << "(" << p.first << ", " << p.second << ")"; }
template <typename T>
void view(const set<T> &s) {
cerr << "{ ";
for(auto &t : s) {
view(t);
cerr << ", ";
}
cerr << "\b\b }";
}
template <typename T>
void view(T e) { cerr << e; }
#ifdef LOCAL
void debug_out() {}
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
view(H);
cerr << ", ";
debug_out(T...);
}
#define debug(...) \
do { \
cerr << __LINE__ << " [" << #__VA_ARGS__ << "] : ["; \
debug_out(__VA_ARGS__); \
cerr << "\b\b]\n"; \
} while(0)
#else
#define debug(...) (void(0))
#endif
template <class T>
V<T> press(V<T> &x) {
V<T> res = x;
sort(all(res));
res.erase(unique(all(res)), res.end());
REP(i, SZ(x)) {
x[i] = lower_bound(all(res), x[i]) - res.begin();
}
return res;
}
template <class T>
inline bool chmin(T &a, T b) {
if(a > b) {
a = b;
return true;
}
return false;
}
template <class T>
inline bool chmax(T &a, T b) {
if(a < b) {
a = b;
return true;
}
return false;
}
inline void Yes(bool b = true) { cout << (b ? "Yes" : "No") << '\n'; }
inline void YES(bool b = true) { cout << (b ? "YES" : "NO") << '\n'; }
inline void err(bool b = true) {
if(b) {
cout << -1 << '\n';
exit(0);
}
}
template <class T>
inline void fin(bool b = true, T e = 0) {
if(b) {
cout << e << '\n';
exit(0);
}
}
template <class T>
T divup(T x, T y) { return (x + (y - 1)) / y; }
template <typename T>
T pow(T a, long long n, T e = 1) {
T ret = e;
while(n) {
if(n & 1) ret *= a;
a *= a;
n >>= 1;
}
return ret;
}
struct iofast {
iofast() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << fixed << setprecision(15);
}
} iofast_;
const int inf = 1e9;
const ll INF = 1e18;
#pragma endregion
//ModInt
template <const int &mod>
struct ModInt {
private:
int x;
public:
ModInt() : x(0) {}
ModInt(long long x_) {
if((x = x_ % mod + mod) >= mod) x -= mod;
}
int val() const { return x; }
static int get_mod() { return mod; }
constexpr ModInt &operator+=(ModInt rhs) {
if((x += rhs.x) >= mod) x -= mod;
return *this;
}
constexpr ModInt &operator-=(ModInt rhs) {
if((x -= rhs.x) < 0) x += mod;
return *this;
}
constexpr ModInt &operator*=(ModInt rhs) {
x = (unsigned long long)x * rhs.x % mod;
return *this;
}
constexpr ModInt &operator/=(ModInt rhs) {
x = (unsigned long long)x * rhs.inv().x % mod;
return *this;
}
constexpr ModInt operator-() const noexcept { return -x < 0 ? mod - x : -x; }
constexpr ModInt operator+(ModInt rhs) const noexcept { return ModInt(*this) += rhs; }
constexpr ModInt operator-(ModInt rhs) const noexcept { return ModInt(*this) -= rhs; }
constexpr ModInt operator*(ModInt rhs) const noexcept { return ModInt(*this) *= rhs; }
constexpr ModInt operator/(ModInt rhs) const noexcept { return ModInt(*this) /= rhs; }
constexpr ModInt &operator++() {
*this += 1;
return *this;
}
constexpr ModInt operator++(int) {
*this += 1;
return *this - 1;
}
constexpr ModInt &operator--() {
*this -= 1;
return *this;
}
constexpr ModInt operator--(int) {
*this -= 1;
return *this + 1;
}
bool operator==(ModInt rhs) const { return x == rhs.x; }
bool operator!=(ModInt rhs) const { return x != rhs.x; }
bool operator<=(ModInt rhs) const { return x <= rhs.x; }
bool operator>=(ModInt rhs) const { return x >= rhs.x; }
bool operator<(ModInt rhs) const { return x < rhs.x; }
bool operator>(ModInt rhs) const { return x > rhs.x; }
ModInt inv() {
int a = x, b = mod, u = 1, v = 0, t;
while(b > 0) {
t = a / b;
std::swap(a -= t * b, b);
std::swap(u -= t * v, v);
}
return ModInt(u);
}
ModInt pow(long long n) const {
ModInt ret(1), mul(x);
while(n > 0) {
if(n & 1) ret *= mul;
mul *= mul;
n >>= 1;
}
return ret;
}
ModInt sqrt() const {
if(x <= 1) return x;
int v = (mod - 1) / 2;
if(pow(v) != 1) return -1;
int q = mod - 1, m = 0;
while(~q & 1) q >>= 1, m++;
std::mt19937 mt;
ModInt z = mt();
while(z.pow(v) != mod - 1) z = mt();
ModInt c = z.pow(q), t = pow(q), r = pow((q + 1) / 2);
for(; m > 1; m--) {
ModInt tmp = t.pow(1 << (m - 2));
if(tmp != 1) r = r * c, t = t * c * c;
c = c * c;
}
return std::min(r.x, mod - r.x);
}
friend std::ostream &operator<<(std::ostream &s, ModInt<mod> a) {
s << a.x;
return s;
}
friend std::istream &operator>>(std::istream &s, ModInt<mod> &a) {
s >> a.x;
return s;
}
};
static int MOD = 1e9 + 7;
// static int MOD = 998244353;
using mint = ModInt<MOD>;
long long extGCD(long long a, long long b, long long &x, long long &y) {
if(b == 0) {
x = 1;
y = 0;
return a;
}
long long d = extGCD(b, a % b, y, x);
y -= a / b * x;
return d;
}
void solve() {
VEC(ll, a, 3);
LL(y);
sort(rall(a));
mint res = 0;
ll X, Y;
ll m = extGCD(a[1], a[2], X, Y);
for(int j = 0; a[0] * j <= y; j++) {
ll t = y - a[0] * j;
if(t % m) continue;
ll z = t / m;
ll upper = (z * Y) / (a[1] / m);
if((z * Y) % (a[1] / m) < 0) --upper;
ll lower = divup(-z * X, (a[2] / m));
if((a[2] / m - 1 - z * X) % (a[2] / m) < 0) --lower;
res += upper - lower + 1;
}
print(res);
return;
}
int main() {
INT(t);
while(t--) solve();
}
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