結果
問題 | No.117 組み合わせの数 |
ユーザー | satanic |
提出日時 | 2016-09-15 23:58:57 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,703 bytes |
コンパイル時間 | 1,160 ms |
コンパイル使用メモリ | 120,860 KB |
実行使用メモリ | 376,008 KB |
最終ジャッジ日時 | 2024-11-17 06:17:56 |
合計ジャッジ時間 | 13,578 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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コンパイルメッセージ
In function 'll Factrial(ll, ll)', inlined from 'void FactrialInitialize(ll, ll)' at main.cpp:84:11, inlined from 'int main()' at main.cpp:122:20: main.cpp:77:19: warning: iteration 100000000 invokes undefined behavior [-Waggressive-loop-optimizations] 77 | if (fact[n] != 0) return fact[n]; | ~~~~~~^ In function 'void FactrialInitialize(ll, ll)', inlined from 'int main()' at main.cpp:122:20: main.cpp:83:26: note: within this loop 83 | for (ll i = 0; i <= n; ++i) { | ~~^~~~
ソースコード
#include <algorithm> #include <bitset> #include <cassert> #include <complex> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <map> #include <memory> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <typeinfo> #include <utility> #include <vector> #include <array> #include <chrono> #include <random> #include <tuple> #include <unordered_map> #include <unordered_set> #define INIT std::ios::sync_with_stdio(false);std::cin.tie(0); #define VAR(type, ...)type __VA_ARGS__;Scan(__VA_ARGS__); template<typename T> void Scan(T& t) { std::cin >> t; } template<typename First, typename...Rest>void Scan(First& first, Rest&...rest) { std::cin >> first; Scan(rest...); } #define OUT(d) std::cout<<d; #define FOUT(n, d) std::cout<<std::fixed<<std::setprecision(n)<<d; #define SOUT(n, c, d) std::cout<<std::setw(n)<<std::setfill(c)<<d; #define SP std::cout<<" "; #define TAB std::cout<<"\t"; #define BR std::cout<<"\n"; #define ENDL std::cout<<std::endl; #define FLUSH std::cout<<std::flush; #define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i; #define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& r:c)for(auto& i:r)std::cin>>i; #define ALL(a) (a).begin(),(a).end() #define FOR(i, a, b) for(int i=(a);i<(b);++i) #define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i) #define REP(i, n) for(int i=0;i<int(n);++i) #define RREP(i, n) for(int i=(n)-1;i>=0;--i) #define FORLL(i, a, b) for(ll i=ll(a);i<ll(b);++i) #define RFORLL(i, a, b) for(ll i=ll(b)-1;i>=ll(a);--i) #define REPLL(i, n) for(ll i=0;i<ll(n);++i) #define RREPLL(i, n) for(ll i=ll(n)-1;i>=0;--i) #define PAIR std::pair<int, int> #define IN(a, x, b) (a<=x && x<b) #define SHOW(d) {std::cout << #d << "\t:" << d << "\t";} #define SHOWVECTOR(v) {std::cout << #v << "\t:";for(const auto& i : v){std::cout << i << " ";}std::cout << "\n";} #define SHOWVECTOR2(v) {std::cout << #v << "\t:\n";for(const auto& i : v){for(const auto& j : i){std::cout << j << " ";}std::cout << "\n";}} #define SHOWPAIRVECTOR2(v) {std::cout << #v << "\t:\n";for(const auto& i : v){for(const auto& j : i){std::cout<<'('<<j.first<<", "<<j.second<<") ";}std::cout << "\n";}} #define SHOWPAIRVECTOR(v) {for(const auto& i:v){std::cout<<'('<<i.first<<", "<<i.second<<") ";}std::cout<<"\n";} #define CHECKTIME(state) {auto start=std::chrono::system_clock::now();state();auto end=std::chrono::system_clock::now();auto res=std::chrono::duration_cast<std::chrono::nanoseconds>(end-start).count();std::cerr<<"[Time:"<<res<<"ns ("<<res/(1.0e9)<<"s)]\n";} #define SHOWQUEUE(a) {std::queue<decltype(a.front())> tmp(a);std::cout << #a << "\t:";for(int i=0; i<static_cast<int>(a.size()); ++i){std::cout << tmp.front() << "\n";tmp.pop();}std::cout << "\n";} #define CHMAX(a, b) a = (((a)<(b)) ? (b) : (a)) #define CHMIN(a, b) a = (((a)>(b)) ? (b) : (a)) //#define int ll using ll = long long; using ull = unsigned long long; constexpr int INFINT = 1 << 30; constexpr ll INFLL = 1LL << 60; constexpr double EPS = 0.0000000001; constexpr int MOD = 1000000007; //組み合わせ(コンビネーション) ll fact[100000000]; ll Factrial(ll n, ll mod) { if (fact[n] != 0) return fact[n]; if (n == 0) return fact[n] = 1; return fact[n] = std::fmod(Factrial(n - 1, mod)*n, mod); } void FactrialInitialize(ll n, ll mod) { for (ll i = 0; i <= n; ++i) { Factrial(i, mod); } } ll RepeatSquaring(ll n, ll p, ll mod) { if (n == 0) return 0; if (p <= 0 || n == 1) return 1; if (p % 2 == 0) { ll t = RepeatSquaring(n, p / 2, mod); return t*t % mod; } return n*RepeatSquaring(n, p - 1, mod) % mod; } ll Permutation(ll n, ll r, ll mod) { if (n < r) return 0; ll ans = 1; ans *= Factrial(n, mod); ans %= mod; ans *= RepeatSquaring(Factrial(n - r, mod), mod - 2, mod); ans %= mod; return ans; } ll Combination(ll n, ll r, ll mod) { if (n < r) return 0; ll ans = 1; ans *= Factrial(n, mod); ans %= mod; ans *= RepeatSquaring(Factrial(n - r, mod), mod - 2, mod); ans %= mod; ans *= RepeatSquaring(Factrial(r, mod), mod - 2, mod); ans %= mod; return ans; } ll CombinationWithRepetition(ll n, ll r, ll mod) { return Combination(n + r - 1, r, mod); } signed main() { INIT; VAR(int, t); FactrialInitialize(100000000, MOD); REP(i, t) { VAR(char, c); std::cin.ignore(); VAR(ll, n) std::cin.ignore(); VAR(ll, r) std::cin.ignore(); switch (c) { case 'C': OUT(Combination(n, r, MOD))BR; break; case 'P': OUT(Permutation(n, r, MOD))BR; break; case 'H': OUT(CombinationWithRepetition(n, r, MOD))BR; break; } } return 0; }