結果
問題 | No.1269 I hate Fibonacci Number |
ユーザー | 沙耶花 |
提出日時 | 2020-10-23 23:53:38 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 43 ms / 3,000 ms |
コード長 | 3,747 bytes |
コンパイル時間 | 2,661 ms |
コンパイル使用メモリ | 227,692 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-21 13:54:53 |
合計ジャッジ時間 | 3,995 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 3 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 36 ms
6,944 KB |
testcase_15 | AC | 6 ms
6,940 KB |
testcase_16 | AC | 40 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,944 KB |
testcase_18 | AC | 43 ms
6,944 KB |
testcase_19 | AC | 26 ms
6,940 KB |
testcase_20 | AC | 8 ms
6,944 KB |
testcase_21 | AC | 25 ms
6,940 KB |
testcase_22 | AC | 20 ms
6,944 KB |
testcase_23 | AC | 23 ms
6,944 KB |
testcase_24 | AC | 13 ms
6,944 KB |
testcase_25 | AC | 14 ms
6,940 KB |
testcase_26 | AC | 3 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 13 ms
6,940 KB |
testcase_30 | AC | 6 ms
6,940 KB |
testcase_31 | AC | 15 ms
6,940 KB |
testcase_32 | AC | 16 ms
6,940 KB |
testcase_33 | AC | 3 ms
6,940 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | AC | 4 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,944 KB |
testcase_38 | AC | 3 ms
6,940 KB |
ソースコード
#include <stdio.h> #include <bits/stdc++.h> #include <atcoder/modint> using namespace atcoder; using mint = modint1000000007; using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf 1000000000000000000 long long L,R; vector<string> get(vector<long long> F){ vector<string> S; rep(i,F.size()){ S.push_back(to_string(F[i])); } while(true){ bool f = false; rep(i,S.size()){ rep(j,S.size()){ if(j<=i)continue; rep(k,S[j].size()){ if(k+S[i].size()>S[j].size())break; if(S[j].substr(k,S[i].size())==S[i]){ S.erase(S.begin()+j); f=true; break; } } if(f)break; } if(f)break; } if(!f)break; } return S; } vector<mint> dp,ndp; template <typename T> struct trie{ T init_value; struct node{ vector<int> next; T v; T sum; int depth; node(int wordSize,T iv,int d){ next.resize(wordSize,-1); v = iv; sum = iv; depth = d; } int link=-1; }; vector<node> nodes; int wordSize; trie(int sz,T iv){ init_value = iv; wordSize = sz; nodes.push_back(node(wordSize,init_value,0)); } void add(string &S,T x,int cPos=0,int cNode=0){ if(cPos==S.size()){ nodes[cNode].v = func(nodes[cNode].v,x); return; } int c = encode(S[cPos]); if(nodes[cNode].next[c]==-1){ nodes[cNode].next[c] = nodes.size(); nodes.push_back(node(wordSize,init_value,nodes[cNode].depth+1)); } int nextNode = nodes[cNode].next[c]; add(S,x,cPos+1,nextNode); } void set_link(){ nodes[0].link = 0; queue<int> Q; Q.push(0); while(Q.size()!=0){ int now = Q.front(); Q.pop(); nodes[now].v = func(nodes[now].v,nodes[nodes[now].link].v); nodes[now].sum = func(nodes[now].sum,nodes[now].v); for(int i=0;i<wordSize;i++){ int to = nodes[now].next[i]; if(to==-1)continue; int x = now; while(x!=0){ x = nodes[x].link; if(nodes[x].next[i]!=-1){ x = nodes[x].next[i]; break; } } nodes[to].link = x; nodes[to].sum = func(nodes[to].sum,nodes[now].sum); Q.push(to); } } } T query(string &S,int cPos = 0,int cNode=0){ T ret = init_value; if(cPos==S.size())return ret; int c = encode(S[cPos]); int nextNode = nodes[cNode].next[c]; if(nextNode==-1){ if(nodes[cNode].link!=-1){ if(cNode!=0)ret = func(ret,query(S,cPos,nodes[cNode].link)); else ret = func(ret,query(S,cPos+1,cNode)); } } else{ ret = func(ret,nodes[nextNode].v); ret = func(ret,query(S,cPos+1,nextNode)); } return ret; } void go(){ rep(i,nodes.size()){ rep(j,10){ int cNode = i; int nextNode = nodes[cNode].next[j]; while(nextNode == -1){ if(nodes[cNode].link==-1){ nextNode = 0; break; } else{ cNode = nodes[cNode].link; nextNode = nodes[cNode].next[j]; if(nextNode==-1 && cNode==0){ nextNode = 0; break; } } } ndp[nextNode] += dp[i]; } } rep(i,nodes.size()){ if(nodes[i].v<0){ ndp[i] = 0; } } } int encode(char c){ return c-'0'; } T func(T a,T b){ return a+b; } }; int main(){ int N; cin>>N>>L>>R; vector<long long> F(2,1); while(true){ if(F.back() > R){ F.pop_back(); break; } F.push_back(F.back() + F[F.size()-2]); } while(F.size()>0&&F[0] < L)F.erase(F.begin()); vector<string> S = get(F); mint ans = 0; if(S.size()==0){ ans = 1; rep(i,N)ans *= 10; ans--; } else{ trie<int> T(10,0); rep(i,S.size()){ T.add(S[i],-1); } T.set_link(); dp.resize(T.nodes.size(),0); dp[0] = 1; rep(i,N){ ndp.assign(T.nodes.size(),0); T.go(); swap(dp,ndp); } rep(i,dp.size())ans += dp[i]; ans --; } cout<<ans.val()<<endl; return 0; }