結果
問題 | No.1269 I hate Fibonacci Number |
ユーザー | ok |
提出日時 | 2021-10-08 21:22:06 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 533 ms / 3,000 ms |
コード長 | 4,778 bytes |
コンパイル時間 | 1,441 ms |
コンパイル使用メモリ | 94,648 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-23 03:25:42 |
合計ジャッジ時間 | 4,890 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 3 ms
5,376 KB |
testcase_02 | AC | 7 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 142 ms
5,376 KB |
testcase_14 | AC | 180 ms
5,376 KB |
testcase_15 | AC | 20 ms
5,376 KB |
testcase_16 | AC | 135 ms
5,376 KB |
testcase_17 | AC | 4 ms
5,376 KB |
testcase_18 | AC | 148 ms
5,376 KB |
testcase_19 | AC | 104 ms
5,376 KB |
testcase_20 | AC | 25 ms
5,376 KB |
testcase_21 | AC | 89 ms
5,376 KB |
testcase_22 | AC | 77 ms
5,376 KB |
testcase_23 | AC | 85 ms
5,376 KB |
testcase_24 | AC | 39 ms
5,376 KB |
testcase_25 | AC | 51 ms
5,376 KB |
testcase_26 | AC | 6 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 23 ms
5,376 KB |
testcase_29 | AC | 48 ms
5,376 KB |
testcase_30 | AC | 16 ms
5,376 KB |
testcase_31 | AC | 232 ms
5,376 KB |
testcase_32 | AC | 53 ms
5,376 KB |
testcase_33 | AC | 533 ms
5,376 KB |
testcase_34 | AC | 3 ms
5,376 KB |
testcase_35 | AC | 13 ms
5,376 KB |
testcase_36 | AC | 2 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
testcase_38 | AC | 3 ms
5,376 KB |
ソースコード
#include<iostream> #include<string> #include<vector> #include<algorithm> #include<utility> #include<queue> #include<array> using namespace std; #define int long long constexpr int MOD = 1000000007; struct trie{ int NUM_a; char A; trie** child; trie *fail; int val; int c; int d; trie() { NUM_a = 10; A = '0'; val = 0; child = new trie*[NUM_a]; for(int _ = 0; _ < NUM_a; _++) child[_] = NULL; c = 0; d = -1; fail = NULL; } ~trie() { all_del(); delete[] child; } void add(char *c){ this->val++; if(*c == '\0') return; if(this->child[*c-A] == NULL){ trie *node = new trie(); this->child[*c-A] = node; } // else this->child[*c-A]->val++; this->child[*c-A]->add(c+1); } int find(char *c){ if(*c == '\0'){ int con = 0; for(int _ = 0; _ < NUM_a; _++){ if(this->child[_] != NULL) con += this->child[_]->val; } return this->val - con; } if(this->child[*c-A] == NULL) return 0; else return this->child[*c-A]->find(c+1); } void del(char *c){ this->val--; if(*c == '\0') return ; if(this->child[*c-A] != NULL){ this->child[*c-A]->del(c+1); if(child[*c-A]->val == 1) { delete child[*c-A]; child[*c-A] = NULL; } } } void all_del(){ for(int _ = 0; _ < NUM_a; _++){ if(this->child[_] != NULL) { child[_]->all_del(); delete child[_]; child[_] = NULL; } } } void print(int depth = 0){ for(int _ = 0; _ < NUM_a; _++){ if(child[_] != NULL){ for(int __ = 0; __ < depth; __++) cout<<" "; cout<<(char)(A+_)<<" "<<child[_]->val<<" "; cout<<child[_]<<" "<<child[_]->fail<<" "<<child[_]->d; cout<<endl; this->child[_]->print(depth+1); } } } }; struct Aho_Corasick { trie tr; vector<trie*> d; vector<string> S; void init(vector<string> &X){ S = X; d.clear(); queue<trie*> Q; for(string s : S){ tr.add(&s[0]); } tr.d = d.size(); d.push_back(&tr); for(int _ = 0; _ < tr.NUM_a; _++){ if(tr.child[_] == NULL) continue; tr.child[_]->fail = &tr; Q.push(tr.child[_]); } while(!Q.empty()){ trie *t = Q.front(); Q.pop(); int con = 0; t->d = d.size(); d.push_back(t); for(int _ = 0; _ < tr.NUM_a; _++){ if(t->child[_] == NULL) continue; con += t->child[_]->val; trie *u = t->fail; while(u != &tr && u->child[_] == NULL) u = u->fail; if(u->child[_] == NULL) t->child[_]->fail = u; else t->child[_]->fail = u->child[_]; Q.push(t->child[_]); } t->c = t->fail->c + t->val - con; } // tr.print(); } int match(string &s){ int res = 0; trie *t = &tr; for(char c : s){ int C = c-t->A; while(true){ if(t->child[C] != NULL){ t = t->child[C]; break; } else if(t == &tr) { break; } else { t = t->fail; } } res += t->c; } return res; } int match(string &s, vector<int> &con){ int N = d.size(); con = vector<int>(N); int res = 0; trie *t = &tr; for(char c : s){ int C = c-t->A; while(true){ if(t->child[C] != NULL){ t = t->child[C]; break; } else if(t == &tr) { break; } else { t = t->fail; } } res += t->c; con[t->d] += t->c; } return res; } int solve(int N){ vector<int> dp(d.size()); dp[0] = 1; for(int i = 0; i < N; i++){ vector<vector<int>> ndp(d.size(), vector<int>(tr.NUM_a)); vector<int> ndp2(d.size()); for(int j = (int)d.size()-1; j >= 0; j--){ for(int _ = 0; _ < tr.NUM_a; _++){ if(d[j]->child[_] != NULL) { ndp[d[j]->child[_]->d][_] += dp[j] + ndp[j][_]; ndp[j][_] = 0; ndp[d[j]->child[_]->d][_] %= MOD; } else if(d[j]->fail != NULL){ ndp[d[j]->fail->d][_] += dp[j] + ndp[j][_]; ndp[j][_] = 0; ndp[d[j]->fail->d][_] %= MOD; } else { ndp[j][_] += dp[j]; ndp[j][_] %= MOD; } } } for(int j = (int)d.size()-1; j >= 0; j--){ int con = 0, sum = 0; for(int _ = 0; _ < tr.NUM_a; _++){ sum += ndp[j][_]; sum %= MOD; if(d[j]->child[_] != NULL) { con += d[j]->child[_]->val; } } if(!d[j]->c) { ndp2[j] = sum; } } swap(dp, ndp2); } int res = 0; for(int i = 0; i < d.size(); i++){ res += dp[i]; res %= MOD; } res = (res + MOD - 1) % MOD; return res; } }; signed main(){ Aho_Corasick ac; vector<string> S; int N, L, R; vector<int> f; cin>>N>>L>>R; f.push_back(1); f.push_back(1); for(;f.back() <= R;){ f.push_back(f[f.size()-1] + f[f.size()-2]); } for(int i = 0; i < f.size(); i++){ if(L <= f[i] && f[i] <= R) { S.push_back(to_string(f[i])); } } ac.init(S); cout<<ac.solve(N)<<endl; return 0; }