結果
| 問題 | No.673 カブトムシ |
| ユーザー |
|
| 提出日時 | 2018-04-14 00:07:27 |
| 言語 | C++17 (gcc 13.2.0 + boost 1.83.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 7,615 bytes |
| コンパイル時間 | 2,937 ms |
| コンパイル使用メモリ | 214,240 KB |
| 実行使用メモリ | 4,384 KB |
| 最終ジャッジ日時 | 2023-09-12 18:12:39 |
| 合計ジャッジ時間 | 3,872 ms |
|
ジャッジサーバーID （参考情報） |
judge14 / judge12 |
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テストケース
テストケース表示| 入力 | 結果 | 実行時間 実行使用メモリ |
|---|---|---|
| testcase_00 | AC | 2 ms
4,384 KB |
| testcase_01 | AC | 2 ms
4,376 KB |
| testcase_02 | AC | 2 ms
4,380 KB |
| testcase_03 | AC | 2 ms
4,380 KB |
| testcase_04 | AC | 2 ms
4,384 KB |
| testcase_05 | AC | 1 ms
4,376 KB |
| testcase_06 | AC | 1 ms
4,380 KB |
| testcase_07 | AC | 1 ms
4,376 KB |
| testcase_08 | AC | 2 ms
4,376 KB |
| testcase_09 | AC | 1 ms
4,380 KB |
| testcase_10 | AC | 1 ms
4,376 KB |
| testcase_11 | AC | 2 ms
4,380 KB |
| testcase_12 | AC | 2 ms
4,380 KB |
| testcase_13 | AC | 1 ms
4,376 KB |
| testcase_14 | AC | 2 ms
4,380 KB |
| testcase_15 | AC | 1 ms
4,380 KB |
| testcase_16 | AC | 2 ms
4,380 KB |
| testcase_17 | AC | 1 ms
4,380 KB |
ソースコード
#pragma GCC optimize ("O3")
#pragma GCC target ("avx")
#include "bits/stdc++.h"
using namespace std;
using ll = long long int;
#define debug(v) {printf("L%d %s > ",__LINE__,#v);cout<<(v)<<endl;}
#define debugv(v) {printf("L%d %s > ",__LINE__,#v);for(auto e:(v)){cout<<e<<" ";}cout<<endl;}
#define debuga(m,w) {printf("L%d %s > ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;}
#define debugaa(m,h,w) {printf("L%d %s >\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;}}
#define ALL(v) (v).begin(),(v).end()
#define repeat(cnt,l) for(remove_const<decltype(l)>::type cnt=0;(cnt)<(l);++(cnt))
#define rrepeat(cnt,l) for(auto cnt=(l)-1;0<=(cnt);--(cnt))
#define iterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);++(cnt))
#define diterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);--(cnt))
const ll MD = 1000000007ll; const long double PI = 3.1415926535897932384626433832795L;
template<typename T1, typename T2> inline void assert_equal(T1 expected, T2 actual) { if (!(expected == actual)) { cerr << "assertion fault: expected=" << expected << " actual=" << actual << endl; abort(); } }
template<typename T1, typename T2> inline void assert_less(T1 actual, T2 threshold) { if (!(actual < threshold)) { cerr << "assertion fault: " << actual << " < (const)" << threshold << endl; abort(); } }
template<typename T1, typename T2> inline void assert_eqless(T1 actual, T2 threshold) { if (!(actual <= threshold)) { cerr << "assertion fault: " << actual << " <= (const)" << threshold << endl; abort(); } }
template<typename T1, typename T2> inline ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << '(' << p.first << ':' << p.second << ')'; return o; }
template<typename Vec> inline ostream& _ostream_vecprint(ostream &o, const Vec& p) { o << '['; for (auto& e : p) o << e << ','; o << ']'; return o; }
template<typename T> inline ostream& operator<<(ostream& o, const vector<T>& v) { return _ostream_vecprint(o, v); }
template<typename T, size_t S> inline ostream& operator<<(ostream& o, const array<T, S>& v) { return _ostream_vecprint(o, v); }
template<typename T> inline T& maxset(T& to, const T& val) { return to = max(to, val); }
template<typename T> inline T& minset(T& to, const T& val) { return to = min(to, val); }
void bye(string s, int code = 0) { cout << s << endl; exit(code); }
mt19937_64 randdev(8901016);
template<typename T> inline T rand(T l, T h) { return uniform_int_distribution<T>(l, h)(randdev); }
template<> inline double rand<double>(double l, double h) { return uniform_real_distribution<double>(l, h)(randdev); }
template<> inline float rand<float>(float l, float h) { return uniform_real_distribution<float>(l, h)(randdev); }
#if defined(_WIN32) || defined(_WIN64)
#define getchar_unlocked _getchar_nolock
#define putchar_unlocked _putchar_nolock
#elif defined(__GNUC__)
#else
#define getchar_unlocked getchar
#define putchar_unlocked putchar
#endif
namespace {
#define isvisiblechar(c) (0x21<=(c)&&(c)<=0x7E)
class MaiScanner {
public:
template<typename T> void input_integer(T& var) {
var = 0; T sign = 1;
int cc = getchar_unlocked();
for (; cc<'0' || '9'<cc; cc = getchar_unlocked())
if (cc == '-') sign = -1;
for (; '0' <= cc && cc <= '9'; cc = getchar_unlocked())
var = (var << 3) + (var << 1) + cc - '0';
var = var * sign;
}
inline int c() { return getchar_unlocked(); }
inline MaiScanner& operator>>(int& var) { input_integer<int>(var); return *this; }
inline MaiScanner& operator>>(long long& var) { input_integer<long long>(var); return *this; }
inline MaiScanner& operator>>(string& var) {
int cc = getchar_unlocked();
for (; !isvisiblechar(cc); cc = getchar_unlocked());
for (; isvisiblechar(cc); cc = getchar_unlocked())
var.push_back(cc);
return *this;
}
template<typename IT> void in(IT begin, IT end) { for (auto it = begin; it != end; ++it) *this >> *it; }
};
class MaiPrinter {
public:
template<typename T>
void output_integer(T var) {
if (var == 0) { putchar_unlocked('0'); return; }
if (var < 0)
putchar_unlocked('-'),
var = -var;
char stack[32]; int stack_p = 0;
while (var)
stack[stack_p++] = '0' + (var % 10),
var /= 10;
while (stack_p)
putchar_unlocked(stack[--stack_p]);
}
inline MaiPrinter& operator<<(char c) { putchar_unlocked(c); return *this; }
inline MaiPrinter& operator<<(int var) { output_integer<int>(var); return *this; }
inline MaiPrinter& operator<<(long long var) { output_integer<long long>(var); return *this; }
inline MaiPrinter& operator<<(char* str_p) { while (*str_p) putchar_unlocked(*(str_p++)); return *this; }
inline MaiPrinter& operator<<(const string& str) {
const char* p = str.c_str();
const char* l = p + str.size();
while (p < l) putchar_unlocked(*p++);
return *this;
}
template<typename IT> void join(IT begin, IT end, char sep = '\n') { for (auto it = begin; it != end; ++it) *this << *it << sep; }
};
}
MaiScanner scanner;
MaiPrinter printer;
class llmod {
private:
ll val_;
inline ll cut(ll v) const { return ((v%MOD) + MOD) % MOD; }
public:
static const ll MOD = MD; // <=
llmod() : val_(0) {}
llmod(ll num) :val_(cut(num)) {}
llmod(const llmod& lm) : val_(lm.val_) {}
inline operator ll() const { return val_; }
inline ll operator *() const { return val_; }
inline llmod& operator=(const llmod& lm) { val_ = lm.val_; return *this; }
inline llmod& operator=(ll v) { val_ = cut(v); return *this; }
inline llmod& operator+=(ll v) { val_ = cut(val_ + v); return *this; }
inline llmod& operator+=(const llmod& l) { val_ = cut(val_ + l.val_); return *this; }
inline llmod& operator-=(ll v) { val_ = cut(val_ - v); return *this; }
inline llmod& operator-=(const llmod& l) { val_ = cut(val_ - l.val_); return *this; }
inline llmod& operator*=(ll v) { val_ = cut(val_ * v); return *this; }
inline llmod& operator*=(const llmod& l) { val_ = cut(val_ * l.val_); return *this; }
inline llmod& operator++() { val_ = (val_ + 1) % MOD; return *this; }
inline llmod operator++(int) { llmod t = *this; val_ = (val_ + 1) % MOD; return t; }
};
inline ostream& operator<<(ostream& os, const llmod& l) { os << *l; return os; }
inline llmod operator+(llmod t, const llmod& r) { return t += r; }
inline llmod operator-(llmod t, const llmod& r) { return t -= r; }
inline llmod operator*(llmod t, const llmod& r) { return t *= r; }
// MEMO : 逆元...powm(n,MD-2)
llmod pow(llmod x, ll p) {
llmod y = 1;
while (0 < p) {
if (p % 2)
y *= x;
x *= x;
p /= 2;
}
return y;
}
inline llmod& operator/=(llmod& l, const llmod& r) { return l *= pow(r, llmod::MOD - 2); }
ll D;
ll bB, cC;
int main() {
cin >> bB >> cC >> D;
llmod B = bB;
llmod C = cC;
if (D == 1) {
cout << (B*C%MD) << endl;
return 0;
}
if (D == 2) {
cout << ((B*C)*C + B * C) % MD << endl;
return 0;
}
if (C == 1) {
cout << (B*llmod(D)) % MD << endl;
return 0;
}
llmod f = llmod(B)*pow(llmod(C), D + 1);
f -= B * C;
f /= (C - llmod(1));
cout << f << endl;
return 0;
}