結果
問題 | No.122 傾向と対策:門松列(その3) |
ユーザー | koyumeishi |
提出日時 | 2016-04-04 23:31:43 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 19 ms / 5,000 ms |
コード長 | 3,605 bytes |
コンパイル時間 | 1,151 ms |
コンパイル使用メモリ | 117,768 KB |
実行使用メモリ | 7,680 KB |
最終ジャッジ日時 | 2024-10-10 23:53:53 |
合計ジャッジ時間 | 1,846 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 15 ms
7,552 KB |
testcase_01 | AC | 15 ms
7,552 KB |
testcase_02 | AC | 19 ms
7,680 KB |
testcase_03 | AC | 16 ms
7,424 KB |
testcase_04 | AC | 15 ms
7,552 KB |
testcase_05 | AC | 19 ms
7,552 KB |
testcase_06 | AC | 14 ms
7,552 KB |
testcase_07 | AC | 14 ms
7,552 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> using namespace std; namespace my_io{ 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> ostream& operator << (ostream& os, const vector<T>& vec){for(int 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 T> ostream& operator >> (ostream& os, const T& val){ return os << " " << val;} template<class H> void println(const H& head){ cout << head << endl; } template<class H, class ... T> void println(const H& head, const T& ... tail){ cout << head << " "; println(tail...); } } using namespace my_io; const long long MOD = 1000000007; int main(){ vector<vector<int>> v(7, vector<int>(2)); cin >> v; int low = 1; int high = 20000; vector<int> A = {0,2,4,6}; vector<int> B = {1,3,5}; long long ans = 0; {//A < B vector<vector<long long>> dp_A(1<<4, vector<long long>(20005,0)); vector<vector<char>> dp_A_ok(1<<4, vector<char>(20005,0)); vector<vector<long long>> dp_B(1<<3, vector<long long>(20005,0)); vector<vector<char>> dp_B_ok(1<<3, vector<char>(20005,0)); for(int a=low; a<=high; a++){ for(int k=0; k<(1<<4)-1; k++){ dp_A[k][a] += dp_A[k][a-1]; dp_A[k][a] %= MOD; for(int x=0; x<4; x++){ if((k>>x)&1) continue; if(a < v[A[x]][0] || v[A[x]][1] < a) continue; dp_A[k|(1<<x)][a] += dp_A[k][a-1] + (k==0?1:0); dp_A[k|(1<<x)][a] %= MOD; dp_A_ok[k|(1<<x)][a] = 1; } } } for(int a=high; a>=low; a--){ for(int k=0; k<(1<<3); k++){ dp_B[k][a] += dp_B[k][a+1]; dp_B[k][a] %= MOD; for(int x=0; x<3; x++){ if((k>>x)&1) continue; if(a < v[B[x]][0] || v[B[x]][1] < a) continue; dp_B[k|(1<<x)][a] += dp_B[k][a+1] + (k==0?1:0); dp_B[k|(1<<x)][a] %= MOD; dp_B_ok[k|(1<<x)][a] = 1; } } } for(int a=low; a<=high; a++){ if(dp_A_ok[0b1111][a] == 0) continue; ans += dp_A[0b1111][a] * dp_B[0b111][a+1] % MOD; ans %= MOD; } } {//A > B vector<vector<long long>> dp_A(1<<4, vector<long long>(20005,0)); vector<vector<char>> dp_A_ok(1<<4, vector<char>(20005,0)); vector<vector<long long>> dp_B(1<<3, vector<long long>(20005,0)); vector<vector<char>> dp_B_ok(1<<3, vector<char>(20005,0)); for(int a=high; a>=low; a--){ for(int k=0; k<(1<<4); k++){ dp_A[k][a] += dp_A[k][a+1]; dp_A[k][a] %= MOD; for(int x=0; x<4; x++){ if((k>>x)&1) continue; if(a < v[A[x]][0] || v[A[x]][1] < a) continue; dp_A[k|(1<<x)][a] += dp_A[k][a+1] + (k==0?1:0); dp_A[k|(1<<x)][a] %= MOD; dp_A_ok[k|(1<<x)][a] = 1; } } } for(int a=low; a<=high; a++){ for(int k=0; k<(1<<3)-1; k++){ dp_B[k][a] += dp_B[k][a-1]; dp_B[k][a] %= MOD; for(int x=0; x<3; x++){ if((k>>x)&1) continue; if(a < v[B[x]][0] || v[B[x]][1] < a) continue; dp_B[k|(1<<x)][a] += dp_B[k][a-1] + (k==0?1:0); dp_B[k|(1<<x)][a] %= MOD; dp_B_ok[k|(1<<x)][a] = 1; } } } for(int a=low; a<=high; a++){ if(dp_B_ok[0b111][a] == 0) continue; ans += dp_B[0b111][a] * dp_A[0b1111][a+1] % MOD; ans %= MOD; } } println(ans); return 0; }