結果
問題 | No.2231 Surprising Flash! |
ユーザー | 沙耶花 |
提出日時 | 2023-02-24 22:47:26 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 453 ms / 4,000 ms |
コード長 | 4,651 bytes |
コンパイル時間 | 5,341 ms |
コンパイル使用メモリ | 279,492 KB |
実行使用メモリ | 32,360 KB |
最終ジャッジ日時 | 2024-06-12 07:33:34 |
合計ジャッジ時間 | 14,949 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 1 ms
6,812 KB |
testcase_01 | AC | 4 ms
6,944 KB |
testcase_02 | AC | 14 ms
6,940 KB |
testcase_03 | AC | 233 ms
6,940 KB |
testcase_04 | AC | 10 ms
6,944 KB |
testcase_05 | AC | 16 ms
6,940 KB |
testcase_06 | AC | 20 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 6 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 6 ms
6,940 KB |
testcase_11 | AC | 453 ms
23,480 KB |
testcase_12 | AC | 252 ms
24,276 KB |
testcase_13 | AC | 263 ms
32,360 KB |
testcase_14 | AC | 247 ms
20,920 KB |
testcase_15 | AC | 445 ms
23,320 KB |
testcase_16 | AC | 327 ms
6,940 KB |
testcase_17 | AC | 346 ms
6,940 KB |
testcase_18 | AC | 230 ms
19,660 KB |
testcase_19 | AC | 238 ms
19,736 KB |
testcase_20 | AC | 236 ms
19,684 KB |
testcase_21 | AC | 240 ms
19,716 KB |
testcase_22 | AC | 239 ms
19,824 KB |
testcase_23 | AC | 237 ms
19,716 KB |
testcase_24 | AC | 237 ms
19,648 KB |
testcase_25 | AC | 236 ms
19,724 KB |
testcase_26 | AC | 235 ms
19,712 KB |
testcase_27 | AC | 245 ms
19,752 KB |
testcase_28 | AC | 245 ms
19,660 KB |
testcase_29 | AC | 242 ms
21,664 KB |
testcase_30 | AC | 250 ms
21,488 KB |
testcase_31 | AC | 254 ms
21,492 KB |
testcase_32 | AC | 245 ms
21,488 KB |
testcase_33 | AC | 241 ms
21,480 KB |
testcase_34 | AC | 248 ms
21,508 KB |
testcase_35 | AC | 246 ms
21,488 KB |
testcase_36 | AC | 244 ms
21,472 KB |
testcase_37 | AC | 243 ms
21,548 KB |
testcase_38 | AC | 248 ms
21,484 KB |
testcase_39 | AC | 112 ms
6,940 KB |
testcase_40 | AC | 78 ms
6,944 KB |
testcase_41 | AC | 1 ms
6,944 KB |
testcase_42 | AC | 2 ms
6,944 KB |
testcase_43 | AC | 1 ms
6,944 KB |
testcase_44 | AC | 41 ms
6,940 KB |
ソースコード
#include <stdio.h> #include <atcoder/all> #include <bits/stdc++.h> using namespace std; using namespace atcoder; using mint = modint998244353; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf32 1000000001 #define Inf64 4000000000000000001 unsigned long xor128() { static unsigned long x=123456789, y=362436069, z=521288629, w=88675123; unsigned long t=(x^(x<<11)); x=y; y=z; z=w; return (w=(w^(w>>19))^(t^(t>>8))); } struct rolling_hash{ long long t_hash; static inline vector<long long> power; static const long long MOD = (1LL<<61)-1; static const long long b = 123456; int sz; rolling_hash(){ sz = 0; t_hash = 0; } rolling_hash(char c){ sz = 1; t_hash = b*c; } long long mul(__int128 x,__int128 y){ __int128 t = x*y; t = (t>>61) + (t&MOD); if(t>=MOD)t -= MOD; return t; } long long get_pow(int sz){ if(power.size()>sz)return power[sz]; while(power.size()<=sz){ if(power.size()==0)power.push_back(1); else power.push_back(mul(power.back(),b)); } return power.back(); } rolling_hash &operator+=(const rolling_hash &another){ (*this).t_hash = mul((*this).t_hash,get_pow(another.sz)); (*this).t_hash += another.t_hash; if((*this).t_hash>=MOD)(*this).t_hash -= MOD; (*this).sz += another.sz; return (*this); } rolling_hash operator+(const rolling_hash &another)const{ return (rolling_hash(*this)+=another); } rolling_hash &operator-=(const rolling_hash &another){ (*this).t_hash += MOD - mul(another.t_hash,get_pow((*this).sz-another.sz)); if((*this).t_hash>=MOD)(*this).t_hash -= MOD; (*this).sz -= another.sz; return (*this); } rolling_hash operator-(const rolling_hash &another)const{ return (rolling_hash(*this)-=another); } bool operator<(const rolling_hash &another)const{ if((*this).t_hash!=another.t_hash)return (*this).t_hash<another.t_hash; return (*this).sz<another.sz; } bool operator==(const rolling_hash &another)const{ return ((*this).t_hash==another.t_hash && (*this).sz==another.sz); } }; vector<mint> h(26); mint get(char c){ if(c=='?')return 0; return h[c-'a']; } void solve(){ string s,t; cin>>s>>t; reverse(t.begin(),t.end()); vector<mint> f(s.size()+t.size()+1); { vector<mint> x(s.size()),y(t.size()); rep(i,x.size()){ mint v = get(s[i]); x[i] = v*v*v; } rep(i,y.size()){ mint v = get(t[i]); y[i]= v; } x = convolution(x,y); rep(i,x.size())f[i] += x[i]; } { vector<mint> x(s.size()),y(t.size()); rep(i,x.size()){ mint v = get(s[i]); x[i] = v; } rep(i,y.size()){ mint v = get(t[i]); y[i]= v*v*v; } x = convolution(x,y); rep(i,x.size())f[i] += x[i]; } { vector<mint> x(s.size()),y(t.size()); rep(i,x.size()){ mint v = get(s[i]); x[i] = -2*v*v; } rep(i,y.size()){ mint v = get(t[i]); y[i]= v*v; } x = convolution(x,y); rep(i,x.size())f[i] += x[i]; } reverse(t.begin(),t.end()); string ss = s; rep(i,s.size()){ if(ss[i]=='?')ss[i] = 'a'; } vector<rolling_hash> sR(s.size()+1); rep(i,ss.size()){ sR[i+1] = sR[i] + rolling_hash(ss[i]); } vector<rolling_hash> tR(t.size()+1); rep(i,t.size()){ tR[i+1] = tR[i] + rolling_hash(t[i]); } int ans = -1; rep(i,s.size() - t.size() + 1){ if(f[i+t.size()-1]!=0)continue; if(ans==-1){ ans = i; continue; } int ok = 0,ng = ss.size()+1; while(ng-ok>1){ int mid = (ok+ng)/2; rolling_hash X,Y; { int rem = mid; X += sR[min(ans,rem)]; rem -= min(ans,rem); X += tR[min((int)t.size(),rem)]; rem -= min((int)t.size(),rem); if(rem>0){ X += sR[rem + t.size() + ans] - sR[t.size() + ans]; } } { int rem = mid; Y += sR[min(i,rem)]; rem -= min(i,rem); Y += tR[min((int)t.size(),rem)]; rem -= min((int)t.size(),rem); if(rem>0){ Y += sR[rem + t.size() + i] - sR[t.size() + i]; } } if(X==Y)ok = mid; else ng = mid; } if(ok==ss.size())continue; char x,y; { int rem = ok; if(rem<ans)x = ss[rem]; else{ rem -= ans; if(rem<t.size())x = t[rem]; else{ rem -= t.size(); x = ss[ans + t.size() + rem]; } } } { int rem = ok; if(rem<i)y = ss[rem]; else{ rem -= i; if(rem<t.size())y = t[rem]; else{ rem -= t.size(); y = ss[i + t.size() + rem]; } } } if(x>y)ans = i; } if(ans==-1){ cout<<-1<<endl; } else{ rep(i,ans){ cout<<ss[i]; } cout<<t; for(int i=ans + t.size();i<ss.size();i++)cout<<ss[i]; cout<<endl; } } int main(){ rep(i,26)h[i] = xor128(); int _t; cin>>_t; rep(_,_t){ int n,m; cin>>n>>m; solve(); } return 0; }