結果
問題 | No.2120 場合の数の下8桁 |
ユーザー | dyktr_06 |
提出日時 | 2022-11-04 22:10:30 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,409 bytes |
コンパイル時間 | 2,378 ms |
コンパイル使用メモリ | 196,588 KB |
実行使用メモリ | 125,184 KB |
最終ジャッジ日時 | 2024-07-18 19:59:08 |
合計ジャッジ時間 | 7,834 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 1 ms
10,624 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 166 ms
120,420 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 82 ms
60,672 KB |
testcase_11 | AC | 164 ms
120,448 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 19 ms
5,376 KB |
testcase_14 | AC | 43 ms
5,504 KB |
testcase_15 | AC | 1,214 ms
59,776 KB |
testcase_16 | AC | 154 ms
114,460 KB |
testcase_17 | TLE | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
コンパイルメッセージ
main.cpp: In function 'void in(T& ...)': main.cpp:32:55: warning: fold-expressions only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 32 | template<class... T> void in(T&... a){ (cin >> ... >> a); } | ^ main.cpp: In function 'void out(const T&, const Ts& ...)': main.cpp:34:112: warning: fold-expressions only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 34 | template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; } | ^ main.cpp: In function 'void solve()': main.cpp:99:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 99 | for(auto [k, x] : r){ | ^ main.cpp:105:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 105 | for(auto [k, x] : r){ | ^
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0; i < (int)(n); ++i) #define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; --i) #define ALL(a) a.begin(), a.end() #define Sort(a) sort(a.begin(), a.end()) #define RSort(a) sort(a.rbegin(), a.rend()) typedef long long int ll; typedef long double ld; typedef vector<int> vi; typedef vector<long long> vll; typedef vector<char> vc; typedef vector<string> vst; typedef vector<double> vd; typedef pair<long long, long long> P; const long long INF = 0x1fffffffffffffff; const long long MOD = 1000000007; const long double PI = acos(-1); template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } template<class T, class U> inline T vin(T& vec, U n) { vec.resize(n); for(int i = 0; i < (int) n; ++i) cin >> vec[i]; return vec; } template<class T> inline void vout(T vec, string s = "\n"){ for(auto x : vec) cout << x << s; } template<class... T> void in(T&... a){ (cin >> ... >> a); } void out(){ cout << '\n'; } template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; } template<class T, class U> void inGraph(vector<vector<T>>& G, U n, U m, bool directed = false){ G.resize(n); for(int i = 0; i < m; i++){ int a, b; cin >> a >> b; a--, b--; G[a].push_back(b); if(!directed) G[b].push_back(a); } } template <typename T> struct PrimeFact{ vector<T> spf; PrimeFact(T N){ init(N); } void init(T N){ spf.assign(N + 1, 0); for(T i = 0; i <= N; i++) spf[i] = i; for(T i = 2; i * i <= N; i++) { if(spf[i] == i) { for(T j = i * i; j <= N; j += i){ if(spf[j] == j){ spf[j] = i; } } } } } unordered_map<T, T> get(T n){ unordered_map<T, T> m; while(n != 1){ if(m.count(spf[n]) == 0){ m[spf[n]] = 1; }else{ m[spf[n]]++; } n /= spf[n]; } return m; } }; template <typename T> T modpow(T x, T n, const T &m){ T ret = 1 % m; x %= m; while(n > 0){ if(n & 1) (ret *= x) %= m; (x *= x) %= m; n >>= 1; } return ret; } ll m, n; void input(){ in(m, n); } void solve(){ if(m < n){ out("00000000"); return; } ll mod = 100000000; n = min(n, m - n); ll mn = m - n + 1; vector<ll> mul(m + 1); PrimeFact<int> f(m); for(int i = mn; i <= m; i++){ unordered_map<int, int> r = f.get(i); for(auto [k, x] : r){ mul[k] += x; } } for(int i = 2; i <= n; i++){ unordered_map<int, int> r = f.get(i); for(auto [k, x] : r){ mul[k] -= x; } } ll ans = 1; for(ll i = 2; i <= m; i++){ if(mul[i] >= 1){ ans *= modpow(i, mul[i], mod); ans %= mod; } } string ans2 = to_string(ans); while(ans2.size() < 8){ ans2 = '0' + ans2; } out(ans2); } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); input(); solve(); }