結果
問題 | No.599 回文かい |
ユーザー | momoyuu |
提出日時 | 2022-09-30 19:18:25 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,099 bytes |
コンパイル時間 | 2,703 ms |
コンパイル使用メモリ | 256,952 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-02 02:47:22 |
合計ジャッジ時間 | 6,079 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,812 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | WA | - |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | WA | - |
testcase_10 | AC | 3 ms
6,940 KB |
testcase_11 | AC | 3 ms
6,940 KB |
testcase_12 | AC | 5 ms
6,948 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | WA | - |
testcase_20 | WA | - |
evil_0.txt | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using ld = long double; template<class t> using vc = vector<t>; template<class t> using vvc = vc<vc<t>>; using pi = pair<int,int>; using pl = pair<ll,ll>; using vi = vc<int>; using vvi = vvc<int>; using vl = vc<ll>; using vvl = vvc<ll>; #define rep(i,a,b) for (int i = (int)(a); i < (int)(b); i++) #define irep(i,a,b) for (int i = (int)(a); i > (int)(b); i--) #define all(a) a.begin(),a.end() #define print(n) cout << n << '\n' #define pritn(n) print(n) #define printv(n,a) {copy(all(n),ostream_iterator<a>(cout," ")); cout<<"\n";} #define printvv(n,a) {for(auto itr:n) printv(itr,a);} #define rup(a,b) (a+b-1)/b #define input(A,N) rep(i,0,N) cin>>A[i] #define chmax(a,b) a = max(a,b) #define chmin(a,b) a = min(a,b) //const int mod = 998'244'353; //const ll mod = 1'000'000'009; //const ll mod = 67'280'421'310'721; template< ll mod > struct mint{ long long x; mint(long long x=0):x((x%mod+mod)%mod){} mint operator-() const{ return mint(-x); } mint& operator+=(const mint& a){ if((x+=a.x)>=mod)x-=mod; return *this; } mint& operator-=(const mint& a){ if((x+=mod-a.x)>=mod)x-=mod; return *this; } mint& operator*=(const mint& a){ (x *= a.x) %= mod; return *this; } mint operator+(const mint& a) const{ mint res(*this); return res+=a; } mint operator-(const mint& a) const{ mint res(*this); return res-=a; } mint operator*(const mint& a) const{ mint res(*this); return res*=a; } mint pow(long long n) const { assert(0 <= n); mint a = *this, r = 1; while (n) { if (n & 1) r *= a; a *= a; n >>= 1; } return r; } mint inv() const{ return pow(mod-2); } mint& operator/=(const mint& a){ return (*this)*=a.inv(); } mint operator/(const mint& a) const { mint res(*this); return res/=a; } friend ostream& operator<<(ostream& os, const mint& m){ os << m.x; return os; } bool operator==(const mint& a) const { return x == a.x; } bool operator<(const mint& a) const{ return x < a.x; } }; //https://gist.github.com/privet-kitty/295ac9202b7abb3039b493f8238bf40f#file-modulus-random-base-pair64-txt struct rhash{ string s; int n; ll mod,B; vc<ll> sum; vc<ll> powb; rhash(string s,ll mod,ll B):s(s),mod(mod),B(B){ n = s.size(); sum = vc<ll>(n+1,0); powb = vc<ll>(n+1,1); for(int i = 0;i<n;i++){ sum[i+1] = (sum[i]*B%mod+s[i])%mod; powb[i+1] = (powb[i]*B)%mod; } } ll get(int l,int r){ ll tmp = sum[r] - sum[l]*powb[r-l]%mod; tmp %= mod; if(tmp<0) tmp += mod; return tmp; } }; const ll m1 = 1'000'000'009; mint<m1> dfs(int l,int r,vi&vis,vc<rhash>&hash,vc<mint<m1>>&dp){ if(r<l) return 1; if(vis[l])return dp[l]; mint<m1> now(1); int L = l,R = r; while(L<R){ bool p = true; rep(i,0,hash.size()){ if(hash[i].get(l,L+1)==hash[i].get(R,r+1)) continue; p = false; break; } if(p){ now += dfs(L+1,R-1,vis,hash,dp); } L++;R--; } vis[l] = 1; dp[l] = now; return now; } // const ll m2 = 2147483647; // const ll B2 = 2147483634; // const ll m3 = 2147483629; // const ll B3 = 2147483627; // const ll m4 = 2147483587; // const ll B4 = 2147483583; const ll b2 = 1009; const ll b3 = 2009; const ll m2 = 1000000007; const ll m3 = 1000000009; int main(){ cout << fixed << setprecision(15); string s; cin>>s; int n = s.size(); vc<rhash> hash; hash.push_back(rhash(s,m2,b2)); hash.push_back(rhash(s,m3,b3)); //hash.push_back(rhash(s,m4,B4)); vc<mint<m1>> dp(n,0); vi vis(n,0); print(dfs(0,n-1,vis,hash,dp)); //system("pause"); return 0; }