結果
問題 | No.546 オンリー・ワン |
ユーザー | daleksprinter |
提出日時 | 2019-04-02 06:18:24 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 3,289 bytes |
コンパイル時間 | 1,456 ms |
コンパイル使用メモリ | 171,260 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-27 20:48:50 |
合計ジャッジ時間 | 1,999 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 7 |
ソースコード
#include "bits/stdc++.h" using namespace std; /* macro */ #define rep(i,a,b) for(int i=a;i<b;i++) #define revrep(i,a,b) for(int i = a; i > b; i--) #define int long long #define exist(s,e) ((s).find(e)!=(s).end()) #define all(v) (v).begin(), (v).end() #define each(s,itr) for(auto (itr) = s.begin(); (itr) != s.end(); (itr)++) #define sum(v) accumulate(all(v), (0LL)) #define isin(a, b, c) (b <= a && a <= c) #define println cout << "\n"; #define sz(v) (int)v.size() #define bin(x) static_cast<bitset<16> >(x) /* alias */ template<class T> using vec = vector<T>; typedef vector<int> vi; typedef pair<int, int> pi; typedef tuple<int, int, int> ti; typedef map<int, int> mi; typedef set<int> si; /* constant */ const int inf = 1LL << 62; const int mod = 1e9 + 7; const int dx[8]={1,0,-1,0,-1,1,-1,1}; const int dy[8]={0,1,0,-1,-1,-1,1,1}; const string alphabet = "abcdefghijklmnopqrstuvwxyz"; /* io_method */ int input(){int tmp;cin >> tmp;return tmp;} string raw_input(){string tmp;cin >> tmp;return tmp;} template<class T> void printx(T n){cout << n;} template<class T, class U> void printx(pair<T, U> p){cout << "(" << p.first << "," << p.second << ")";} template<class T, class U, class V> void printx(tuple<T, U, V> t){cout << "{" << get<0>(t) << "," << get<1>(t) <<"," << get<2>(t) << "}" << endl;} template<class T> void printx(vector<T> v){cout << "{";rep(i,0,v.size()){printx(v[i]);if(i != v.size()-1)printx(",");}cout << "}";} template<class T> void print(T n){printx(n);cout << endl;} template<class T> void print(set<T> s){cout << "{";each(s, e){if(e != s.begin()) printx(",");printx(*e);}cout << "}" << endl;} template<class T, class U> void print(map<T, U> mp){cout << "{";each(mp, e){cout << "(" << e -> first << "," << e -> second << ")";}cout << "}" << endl;} template<class T> void printans(vec<T> v){rep(i,0,sz(v)){cout << v[i] << (i == sz(v) - 1 ? "" : " ");}cout << endl;} /* general_method */ template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } template<class T>T cut(T &a, int l, int r){return T(a.begin()+l, a.begin()+r);} /* math_method */ int ceil(int a, int b){return a / b + (a % b > 0);} /* main */ int gcd(int x, int y) { if (y == 0) return x; return gcd(y, x % y); } int lcm(int x, int y) { return min(1000000001LL, x / gcd(x, y) * y); } int f(int x, std::vector<int> c) { const int n = c.size(); vector<int> cnt(1 << n); for (int i = 0; i < 1 << n; i++) { int l = 1; for (int j = 0; j < n; j++) { if (i >> j & 1) { l = lcm(l, c[j]); } } cnt[i] = x / l; } for (int i = 0; i < n; i++) { for (int j = 0; j < 1 << n; j++) { if (~j >> i & 1) { cnt[j | 1 << i] -= cnt[j]; } } } int ret = 0; for (int i = 0; i < n; i++) { int u = ((1 << n) - 1) ^ (1 << i); int v = ((1 << n) - 1); ret += abs(cnt[u]) - abs(cnt[v]); } return ret; } signed main() { int N, L, H; cin >> N >> L >> H; vector<int> c(N); for (int i = 0; i < N; i++) { cin >> c[i]; } cout << f(H, c) - f(L - 1, c) << endl; }