結果
問題 | No.515 典型LCP |
ユーザー | fumofumofuni |
提出日時 | 2022-07-15 01:27:53 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 684 ms / 1,000 ms |
コード長 | 3,244 bytes |
コンパイル時間 | 2,089 ms |
コンパイル使用メモリ | 206,084 KB |
実行使用メモリ | 30,700 KB |
最終ジャッジ日時 | 2024-06-26 10:33:30 |
合計ジャッジ時間 | 10,927 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 556 ms
30,692 KB |
testcase_01 | AC | 562 ms
30,700 KB |
testcase_02 | AC | 684 ms
29,240 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 526 ms
29,148 KB |
testcase_06 | AC | 532 ms
29,156 KB |
testcase_07 | AC | 511 ms
29,152 KB |
testcase_08 | AC | 545 ms
29,184 KB |
testcase_09 | AC | 557 ms
29,124 KB |
testcase_10 | AC | 196 ms
29,172 KB |
testcase_11 | AC | 186 ms
29,128 KB |
testcase_12 | AC | 185 ms
29,292 KB |
testcase_13 | AC | 553 ms
29,148 KB |
testcase_14 | AC | 24 ms
29,120 KB |
testcase_15 | AC | 629 ms
29,100 KB |
testcase_16 | AC | 639 ms
29,252 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(ll i=0;i<n;i++) #define repl(i,l,r) for(ll i=(l);i<(r);i++) #define per(i,n) for(ll i=(n)-1;i>=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define pb push_back #define ins insert #define pqueue(x) priority_queue<x,vector<x>,greater<x>> #define all(x) (x).begin(),(x).end() #define CST(x) cout<<fixed<<setprecision(x) #define rev(x) reverse(x); using ll=long long; using vl=vector<ll>; using vvl=vector<vector<ll>>; using pl=pair<ll,ll>; using vpl=vector<pl>; using vvpl=vector<vpl>; const ll MOD=1000000007; const ll MOD9=998244353; const int inf=1e9+10; const ll INF=4e18; const ll dy[8]={1,0,-1,0,1,1,-1,-1}; const ll dx[8]={0,1,0,-1,1,-1,1,-1}; template <typename T> inline bool chmax(T &a, T b) { return ((a < b) ? (a = b, true) : (false)); } template <typename T> inline bool chmin(T &a, T b) { return ((a > b) ? (a = b, true) : (false)); } struct RollingHash { static const int base1 = 1007, base2 = 2009; static const int mod1 = 1000000007, mod2 = 1000000009; vector<long long> hash1, hash2, power1, power2; // construct RollingHash(const string &S) { int n = (int)S.size(); hash1.assign(n+1, 0); hash2.assign(n+1, 0); power1.assign(n+1, 1); power2.assign(n+1, 1); for (int i = 0; i < n; ++i) { hash1[i+1] = (hash1[i] * base1 + S[i]) % mod1; hash2[i+1] = (hash2[i] * base2 + S[i]) % mod2; power1[i+1] = (power1[i] * base1) % mod1; power2[i+1] = (power2[i] * base2) % mod2; } } // get hash of S[left:right) inline pair<long long, long long> get(int l, int r) const { long long res1 = hash1[r] - hash1[l] * power1[r-l] % mod1; if (res1 < 0) res1 += mod1; long long res2 = hash2[r] - hash2[l] * power2[r-l] % mod2; if (res2 < 0) res2 += mod2; return {res1, res2}; } using pl=pair<long long,long long>; inline pl connect(pl h1,pl h2,int h2len){ pl ret; ret.first=(h1.first*power1[h2len]+h2.first)%mod1; ret.second=(h1.second*power2[h2len]+h2.second)%mod2; return ret; } // get lcp of S[a:] and T[b:] inline int getLCP(int a, int b) const { int len = min((int)hash1.size()-a, (int)hash1.size()-b); int low = 0, high = len; while (high - low > 1) { int mid = (low + high) >> 1; if (get(a, a+mid) != get(b, b+mid)) high = mid; else low = mid; } return low; } }; int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); ll n;cin >> n; vl len(n); vl start(n); string s; rep(i,n){ string t;cin >> t; len[i]=t.size(); start[i]=s.size(); s+=t; } RollingHash rh(s); ll m;cin >> m; ll x,d;cin >> x >> d; ll ans=0; rep(i,m){ ll f=(x/(n-1))+1; ll r=(x%(n-1))+1; if(f>r)swap(f,r); else r+=1; x=(x+d)%(n*(n-1)); f--;r--; ll ok=0,ng=min(len[f],len[r])+1; while(ng-ok>1){ ll mid=(ok+ng)>>1; if(rh.get(start[f],start[f]+mid)==rh.get(start[r],start[r]+mid))ok=mid; else ng=mid; } ans+=ok; } cout << ans << endl; }