結果
問題 | No.584 赤、緑、青の色塗り |
ユーザー | koyumeishi |
提出日時 | 2017-10-28 02:10:31 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 116 ms / 2,000 ms |
コード長 | 4,854 bytes |
コンパイル時間 | 949 ms |
コンパイル使用メモリ | 106,004 KB |
実行使用メモリ | 143,960 KB |
最終ジャッジ日時 | 2024-05-01 18:27:04 |
合計ジャッジ時間 | 3,839 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 | 103 ms
143,828 KB |
testcase_01 | AC | 104 ms
143,960 KB |
testcase_02 | AC | 104 ms
143,700 KB |
testcase_03 | AC | 103 ms
143,700 KB |
testcase_04 | AC | 104 ms
143,828 KB |
testcase_05 | AC | 103 ms
143,704 KB |
testcase_06 | AC | 105 ms
143,828 KB |
testcase_07 | AC | 105 ms
143,952 KB |
testcase_08 | AC | 103 ms
143,828 KB |
testcase_09 | AC | 103 ms
143,956 KB |
testcase_10 | AC | 103 ms
143,828 KB |
testcase_11 | AC | 103 ms
143,828 KB |
testcase_12 | AC | 102 ms
143,956 KB |
testcase_13 | AC | 103 ms
143,572 KB |
testcase_14 | AC | 103 ms
143,828 KB |
testcase_15 | AC | 105 ms
143,956 KB |
testcase_16 | AC | 104 ms
143,832 KB |
testcase_17 | AC | 103 ms
143,956 KB |
testcase_18 | AC | 106 ms
143,832 KB |
testcase_19 | AC | 116 ms
143,828 KB |
ソースコード
#include <iostream> #include <vector> #include <cstdio> #include <sstream> #include <map> #include <string> #include <algorithm> #include <queue> #include <cmath> #include <functional> #include <set> #include <ctime> #include <random> #include <chrono> #include <cassert> #include <tuple> #include <utility> using namespace std; namespace { using Integer = long long; //__int128; template<class T, class S> istream& operator >> (istream& is, pair<T,S>& p){return is >> p.first >> p.second;} template<class T> istream& operator >> (istream& is, vector<T>& vec){for(T& val: vec) is >> val; return is;} template<class T> istream& operator , (istream& is, T& val){ return is >> val;} template<class T, class S> ostream& operator << (ostream& os, const pair<T,S>& p){return os << p.first << " " << p.second;} template<class T> ostream& operator << (ostream& os, const vector<T>& vec){for(size_t i=0; i<vec.size(); i++) os << vec[i] << (i==vec.size()-1?"":" "); return os;} template<class T> ostream& operator , (ostream& os, const T& val){ return os << " " << val;} template<class H> void print(const H& head){ cout << head; } template<class H, class ... T> void print(const H& head, const T& ... tail){ cout << head << " "; print(tail...); } template<class ... T> void println(const T& ... values){ print(values...); cout << endl; } template<class H> void eprint(const H& head){ cerr << head; } template<class H, class ... T> void eprint(const H& head, const T& ... tail){ cerr << head << " "; eprint(tail...); } template<class ... T> void eprintln(const T& ... values){ eprint(values...); cerr << endl; } class range{ Integer start_, end_, step_; public: struct range_iterator{ Integer val, step_; range_iterator(Integer v, Integer step) : val(v), step_(step) {} Integer operator * (){return val;} void operator ++ (){val += step_;} bool operator != (range_iterator& x){return step_ > 0 ? val < x.val : val > x.val;} }; range(Integer len) : start_(0), end_(len), step_(1) {} range(Integer start, Integer end) : start_(start), end_(end), step_(1) {} range(Integer start, Integer end, Integer step) : start_(start), end_(end), step_(step) {} range_iterator begin(){ return range_iterator(start_, step_); } range_iterator end(){ return range_iterator( end_, step_); } }; inline string operator "" _s (const char* str, size_t size){ return move(string(str)); } constexpr Integer my_pow(Integer x, Integer k, Integer z=1){return k==0 ? z : k==1 ? z*x : (k&1) ? my_pow(x*x,k>>1,z*x) : my_pow(x*x,k>>1,z);} constexpr Integer my_pow_mod(Integer x, Integer k, Integer M, Integer z=1){return k==0 ? z%M : k==1 ? z*x%M : (k&1) ? my_pow_mod(x*x%M,k>>1,M,z*x%M) : my_pow_mod(x*x%M,k>>1,M,z);} constexpr unsigned long long operator "" _ten (unsigned long long value){ return my_pow(10,value); } inline int k_bit(Integer x, int k){return (x>>k)&1;} //0-indexed mt19937 mt(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()); template<class T> string join(const vector<T>& v, const string& sep){ stringstream ss; for(size_t i=0; i<v.size(); i++){ if(i>0) ss << sep; ss << v[i]; } return ss.str(); } inline string operator * (string s, int k){ string ret; while(k){ if(k&1) ret += s; s += s; k >>= 1; } return ret; } } constexpr long long mod = 9_ten + 7; long long cmb[3003][3003]; long long cmb_sum[3003][3003]; int main(){ int n; cin >> n; vector<int> a(3); cin >> a; cmb[0][0] = 1; for(int i=1; i<=3000; i++){ for(int j=0; j<=i; j++){ cmb[i][j] = cmb[i-1][j]; if(j) cmb[i][j] += cmb[i-1][j-1]; if(cmb[i][j] >= mod) cmb[i][j] %= mod; } } for(int i=0; i<=3000; i++){ for(int j=0; j<=3000; j++){ cmb_sum[i][j] = cmb[i][j]; if(j) cmb_sum[i][j] += cmb_sum[i][j-1]; if(cmb_sum[i][j] >= mod) cmb_sum[i][j] %= mod; } } long long ans = 0; for(int two=0; two*3-1 <= n; two++){ for(int r_=0; r_<=a[0]; r_++){ int gb = two - r_; if( gb < 0) continue; if( gb > a[1] || gb > a[2] ) continue; int gb_solo = a[1]+a[2] - gb*2 - r_; if(gb_solo < 0) continue; int r_solo = a[0] - r_; int len = two * 3 + (gb_solo+r_solo) * 2; if(len-1 > n) continue; int emp = n+1 - len; long long k = r_+gb + gb_solo + r_solo + emp; int g_ = a[1] - gb; int b_ = a[2] - gb; long long low = max(0, g_-gb_solo); long long high= min(r_, g_); long long tmp = cmb[k][r_]; k -= r_; (tmp *= cmb[k][gb]) %= mod; k -= gb; (tmp *= cmb[k][gb_solo]) %= mod; k -= gb_solo; (tmp *= cmb[k][r_solo]) %= mod; k -= r_solo; tmp *= my_pow_mod(2, two, mod); tmp %= mod; tmp *= cmb[gb_solo+r_][g_]; tmp %= mod; (ans += tmp) %= mod; } } println(ans); return 0; }