제출 #873219

#제출 시각아이디문제언어결과실행 시간메모리
873219vjudge1Necklace (Subtask 4) (BOI19_necklace4)C++14
15 / 15
216 ms2652 KiB
#include<bits/stdc++.h> #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using namespace std; template<class A, class B> ostream& operator<<(ostream& os, const pair<A, B> &p) { os << '(' << p.first << ',' << p.second << ')'; return os; } template<class T> ostream& operator<<(ostream& os, const vector<T> &v) { os << '{'; bool osu = 1; for(auto &i : v) { if(!osu) os << ','; os << i; osu = 0; } os << '}'; return os; } template<class T> ostream& operator<<(ostream& os, const deque<T> &v) { os << '{'; bool osu = 1; for(auto &i : v) { if(!osu) os << ','; os << i; osu = 0; } os << '}'; return os; } template<class T,long long unsigned int size> ostream& operator<<(ostream& os, const array<T,size> &arr) { os << '{'; bool osu = 1; for(auto &i : arr) { if(!osu) os << ','; os << i; osu = 0; } os << '}'; return os; } #define ll long long #define ull unsigned long long #define lll __int128 #define rep(i,n,N) for(int i=(n);i<=(N);++i) #define For(i,n,N) for(int i=(n);i< (N);++i) #define rap(i,n,N) for(int i=(n);i>=(N);--i) #define rip(i,n,N,V) for(int i=(n);i<=(N);i+=V) #define mp make_pair #define pb push_back #define pob pop_back #define pf push_front #define pof pop_front //#define le left //#define ri right #define fi first #define se second //#define ff fi.fi //#define fs fi.se //#define sf se.fi //#define ss se.se #define lc (id<<1) #define rc ((id<<1)|1) #define debug(x) cout << #x << " -> " << (x) << endl #define out(x,y) cout << ">> " << (x) << " " << (y) << endl #define ou3(x,y,z) cout << ">> " << (x) << " " << (y) << " " << (z) << endl #define mems(x,y) memset(&x,y,sizeof x) #define memsv(x,y) memset(&x[0], y, sizeof(x[0]) * x.size()) #define popcount __builtin_popcountll #define clz(x) (1<<(31-__builtin_clz(x))) #define clzll(x) (1LL<<(63-__builtin_clzll(x))) #define all(x) x.begin(),x.end() #define rsort(x) sort(x), reverse(x) #define revsort(a,b) sort(a,b), reverse(a,b) #define PQ(T) priority_queue<T> #define PQr(T) priority_queue<T, vector<T>, greater<T>> #define permute(x) while(next_permutation(all(x))) #define distinct(x) x.erase(unique(all(x)),x.end()) #define vi vector<int> #define vvi vector<vi> #define vii vector<pii> #define vll vector<ll> #define vlll vector<pll> #define vvll vector<vll> #define ari(x) array<int,x> #define arll(x) array<ll,x> #define ard(x) array<double,x> #define pii pair<int,int> #define pll pair<ll,ll> #define plll pair<ll,pll> #define pllll pair<pll,pll> #define piii pair<int,pii> #define piiii pair<pii,pii> #define psi pair<string,int> #define endl '\n' const int MAX = 3e3+5; const ll MOD = 2078628313; const ll MOD2 = 2010405347; const ll INF = 2e18; const int dr[]={1,-1,0,0,1,1,-1,-1}; const int dc[]={0,0,-1,1,1,-1,1,-1}; const double pi = acos(-1); const double EPS = 1e-9; const int block = 2e3; inline ll pw(ll x,ll y,ll md=MOD){ll ret=1;x%=md;while(y){if(y&1)ret=ret*x%md;x=x*x%md,y>>=1;}return ret;} mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const int K = 26; int cv[K][K][K][K]; int n,m; ll xx[MAX],yy[MAX],x[MAX],y[MAX],hs[MAX],key = 924997; map<ll,int> z; map<int,int> g; string s,t; ari(3) solve(){ rep(i,1,n)x[i] = (x[i-1]*key + s[i-1] + 69) % MOD; rep(i,1,m)y[i] = (y[i-1]*key + t[i-1] + 69) % MOD; rep(i,4,n)xx[i] = xx[i-1] + cv[s[i-4]][s[i-3]][s[i-2]][s[i-1]]; rep(i,4,m)yy[i] = yy[i-1] + cv[t[i-4]][t[i-3]][t[i-2]][t[i-1]]; int le,ri,mid,res,val; bool st; int a,b; le = 1, ri = min(n,m); while(le<=ri){ mid = le+ri>>1; g.clear(); rep(i,mid,n)g[(x[i]+x[i-mid]*hs[mid])%MOD] = i; st = 0; rep(i,mid,m){ val = (y[i]+y[i-mid]*hs[mid])%MOD; if(g.count(val)){ a = g[val]-mid, b = i-mid; st = 1; break; } } if(st)res = mid, le = mid+1; else ri = mid-1; } if(res==1)return {res, a, b}; int l1, l2; l1 = res+1, l2 = min({n,m,res*2}); ll v; rap(k,l2,l1){ z.clear(); if(k==3){ rep(i,k,n){ v = (ll)cv[s[i-3]][s[i-2]][s[i-1]][0]+ cv[s[i-2]][s[i-1]][s[i-3]][0]+ cv[s[i-1]][s[i-3]][s[i-2]][0]; z[v] = i; } rep(i,k,m){ v = (ll)cv[t[i-3]][t[i-2]][t[i-1]][0]+ cv[t[i-2]][t[i-1]][t[i-3]][0]+ cv[t[i-1]][t[i-3]][t[i-2]][0]; if(z.count(v))return {k, z[v]-k, i-k}; } } else { rep(i,k,n){ v = xx[i]-xx[i-k+3]+cv[s[i-3]][s[i-2]][s[i-1]][s[i-k]]+ cv[s[i-2]][s[i-1]][s[i-k]][s[i-k+1]]+ cv[s[i-1]][s[i-k]][s[i-k+1]][s[i-k+2]]; z[v] = i; } rep(i,k,m){ v = yy[i]-yy[i-k+3]+cv[t[i-3]][t[i-2]][t[i-1]][t[i-k]]+ cv[t[i-2]][t[i-1]][t[i-k]][t[i-k+1]]+ cv[t[i-1]][t[i-k]][t[i-k+1]][t[i-k+2]]; if(z.count(v))return {k, z[v]-k, i-k}; } } } return {res, a, b}; } int main(){ // cout<<fixed<<setprecision(10); // freopen("input.txt", "r", stdin); // freopen("output.txt","w",stdout); ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); For(a,0,K)For(b,0,K)For(c,0,K)For(d,0,K)cv[a][b][c][d] = rng()%MOD; cin>>s>>t; n = s.size(); m = t.size(); for(auto &i:s)i-= 'a'; for(auto &i:t)i-= 'a'; int o = max(n,m); hs[0] = MOD-1; rep(i,1,o)hs[i] = hs[i-1]*key % MOD; ari(3) ans = solve(), tmp; reverse(all(t)); tmp = solve(); if(tmp[0]>ans[0]){ ans = tmp; ans[2] = m-(ans[2]+ans[0]); } cout<<ans[0]<<endl; cout<<ans[1]<<" "<<ans[2]<<endl; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

necklace.cpp: In function 'std::array<int, 3> solve()':
necklace.cpp:114:39: warning: array subscript has type 'char' [-Wchar-subscripts]
  114 |  rep(i,4,n)xx[i] = xx[i-1] + cv[s[i-4]][s[i-3]][s[i-2]][s[i-1]];
      |                                       ^
necklace.cpp:114:47: warning: array subscript has type 'char' [-Wchar-subscripts]
  114 |  rep(i,4,n)xx[i] = xx[i-1] + cv[s[i-4]][s[i-3]][s[i-2]][s[i-1]];
      |                                               ^
necklace.cpp:114:55: warning: array subscript has type 'char' [-Wchar-subscripts]
  114 |  rep(i,4,n)xx[i] = xx[i-1] + cv[s[i-4]][s[i-3]][s[i-2]][s[i-1]];
      |                                                       ^
necklace.cpp:114:63: warning: array subscript has type 'char' [-Wchar-subscripts]
  114 |  rep(i,4,n)xx[i] = xx[i-1] + cv[s[i-4]][s[i-3]][s[i-2]][s[i-1]];
      |                                                               ^
necklace.cpp:115:39: warning: array subscript has type 'char' [-Wchar-subscripts]
  115 |  rep(i,4,m)yy[i] = yy[i-1] + cv[t[i-4]][t[i-3]][t[i-2]][t[i-1]];
      |                                       ^
necklace.cpp:115:47: warning: array subscript has type 'char' [-Wchar-subscripts]
  115 |  rep(i,4,m)yy[i] = yy[i-1] + cv[t[i-4]][t[i-3]][t[i-2]][t[i-1]];
      |                                               ^
necklace.cpp:115:55: warning: array subscript has type 'char' [-Wchar-subscripts]
  115 |  rep(i,4,m)yy[i] = yy[i-1] + cv[t[i-4]][t[i-3]][t[i-2]][t[i-1]];
      |                                                       ^
necklace.cpp:115:63: warning: array subscript has type 'char' [-Wchar-subscripts]
  115 |  rep(i,4,m)yy[i] = yy[i-1] + cv[t[i-4]][t[i-3]][t[i-2]][t[i-1]];
      |                                                               ^
necklace.cpp:121:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  121 |   mid = le+ri>>1;
      |         ~~^~~
necklace.cpp:144:22: warning: array subscript has type 'char' [-Wchar-subscripts]
  144 |     v = (ll)cv[s[i-3]][s[i-2]][s[i-1]][0]+
      |                      ^
necklace.cpp:144:30: warning: array subscript has type 'char' [-Wchar-subscripts]
  144 |     v = (ll)cv[s[i-3]][s[i-2]][s[i-1]][0]+
      |                              ^
necklace.cpp:144:38: warning: array subscript has type 'char' [-Wchar-subscripts]
  144 |     v = (ll)cv[s[i-3]][s[i-2]][s[i-1]][0]+
      |                                      ^
necklace.cpp:145:15: warning: array subscript has type 'char' [-Wchar-subscripts]
  145 |      cv[s[i-2]][s[i-1]][s[i-3]][0]+
      |               ^
necklace.cpp:145:23: warning: array subscript has type 'char' [-Wchar-subscripts]
  145 |      cv[s[i-2]][s[i-1]][s[i-3]][0]+
      |                       ^
necklace.cpp:145:31: warning: array subscript has type 'char' [-Wchar-subscripts]
  145 |      cv[s[i-2]][s[i-1]][s[i-3]][0]+
      |                               ^
necklace.cpp:146:15: warning: array subscript has type 'char' [-Wchar-subscripts]
  146 |      cv[s[i-1]][s[i-3]][s[i-2]][0];
      |               ^
necklace.cpp:146:23: warning: array subscript has type 'char' [-Wchar-subscripts]
  146 |      cv[s[i-1]][s[i-3]][s[i-2]][0];
      |                       ^
necklace.cpp:146:31: warning: array subscript has type 'char' [-Wchar-subscripts]
  146 |      cv[s[i-1]][s[i-3]][s[i-2]][0];
      |                               ^
necklace.cpp:150:22: warning: array subscript has type 'char' [-Wchar-subscripts]
  150 |     v = (ll)cv[t[i-3]][t[i-2]][t[i-1]][0]+
      |                      ^
necklace.cpp:150:30: warning: array subscript has type 'char' [-Wchar-subscripts]
  150 |     v = (ll)cv[t[i-3]][t[i-2]][t[i-1]][0]+
      |                              ^
necklace.cpp:150:38: warning: array subscript has type 'char' [-Wchar-subscripts]
  150 |     v = (ll)cv[t[i-3]][t[i-2]][t[i-1]][0]+
      |                                      ^
necklace.cpp:151:15: warning: array subscript has type 'char' [-Wchar-subscripts]
  151 |      cv[t[i-2]][t[i-1]][t[i-3]][0]+
      |               ^
necklace.cpp:151:23: warning: array subscript has type 'char' [-Wchar-subscripts]
  151 |      cv[t[i-2]][t[i-1]][t[i-3]][0]+
      |                       ^
necklace.cpp:151:31: warning: array subscript has type 'char' [-Wchar-subscripts]
  151 |      cv[t[i-2]][t[i-1]][t[i-3]][0]+
      |                               ^
necklace.cpp:152:15: warning: array subscript has type 'char' [-Wchar-subscripts]
  152 |      cv[t[i-1]][t[i-3]][t[i-2]][0];
      |               ^
necklace.cpp:152:23: warning: array subscript has type 'char' [-Wchar-subscripts]
  152 |      cv[t[i-1]][t[i-3]][t[i-2]][0];
      |                       ^
necklace.cpp:152:31: warning: array subscript has type 'char' [-Wchar-subscripts]
  152 |      cv[t[i-1]][t[i-3]][t[i-2]][0];
      |                               ^
necklace.cpp:158:34: warning: array subscript has type 'char' [-Wchar-subscripts]
  158 |     v = xx[i]-xx[i-k+3]+cv[s[i-3]][s[i-2]][s[i-1]][s[i-k]]+
      |                                  ^
necklace.cpp:158:42: warning: array subscript has type 'char' [-Wchar-subscripts]
  158 |     v = xx[i]-xx[i-k+3]+cv[s[i-3]][s[i-2]][s[i-1]][s[i-k]]+
      |                                          ^
necklace.cpp:158:50: warning: array subscript has type 'char' [-Wchar-subscripts]
  158 |     v = xx[i]-xx[i-k+3]+cv[s[i-3]][s[i-2]][s[i-1]][s[i-k]]+
      |                                                  ^
necklace.cpp:158:58: warning: array subscript has type 'char' [-Wchar-subscripts]
  158 |     v = xx[i]-xx[i-k+3]+cv[s[i-3]][s[i-2]][s[i-1]][s[i-k]]+
      |                                                          ^
necklace.cpp:159:19: warning: array subscript has type 'char' [-Wchar-subscripts]
  159 |          cv[s[i-2]][s[i-1]][s[i-k]][s[i-k+1]]+
      |                   ^
necklace.cpp:159:27: warning: array subscript has type 'char' [-Wchar-subscripts]
  159 |          cv[s[i-2]][s[i-1]][s[i-k]][s[i-k+1]]+
      |                           ^
necklace.cpp:159:35: warning: array subscript has type 'char' [-Wchar-subscripts]
  159 |          cv[s[i-2]][s[i-1]][s[i-k]][s[i-k+1]]+
      |                                   ^
necklace.cpp:159:45: warning: array subscript has type 'char' [-Wchar-subscripts]
  159 |          cv[s[i-2]][s[i-1]][s[i-k]][s[i-k+1]]+
      |                                             ^
necklace.cpp:160:19: warning: array subscript has type 'char' [-Wchar-subscripts]
  160 |          cv[s[i-1]][s[i-k]][s[i-k+1]][s[i-k+2]];
      |                   ^
necklace.cpp:160:27: warning: array subscript has type 'char' [-Wchar-subscripts]
  160 |          cv[s[i-1]][s[i-k]][s[i-k+1]][s[i-k+2]];
      |                           ^
necklace.cpp:160:37: warning: array subscript has type 'char' [-Wchar-subscripts]
  160 |          cv[s[i-1]][s[i-k]][s[i-k+1]][s[i-k+2]];
      |                                     ^
necklace.cpp:160:47: warning: array subscript has type 'char' [-Wchar-subscripts]
  160 |          cv[s[i-1]][s[i-k]][s[i-k+1]][s[i-k+2]];
      |                                               ^
necklace.cpp:164:34: warning: array subscript has type 'char' [-Wchar-subscripts]
  164 |     v = yy[i]-yy[i-k+3]+cv[t[i-3]][t[i-2]][t[i-1]][t[i-k]]+
      |                                  ^
necklace.cpp:164:42: warning: array subscript has type 'char' [-Wchar-subscripts]
  164 |     v = yy[i]-yy[i-k+3]+cv[t[i-3]][t[i-2]][t[i-1]][t[i-k]]+
      |                                          ^
necklace.cpp:164:50: warning: array subscript has type 'char' [-Wchar-subscripts]
  164 |     v = yy[i]-yy[i-k+3]+cv[t[i-3]][t[i-2]][t[i-1]][t[i-k]]+
      |                                                  ^
necklace.cpp:164:58: warning: array subscript has type 'char' [-Wchar-subscripts]
  164 |     v = yy[i]-yy[i-k+3]+cv[t[i-3]][t[i-2]][t[i-1]][t[i-k]]+
      |                                                          ^
necklace.cpp:165:19: warning: array subscript has type 'char' [-Wchar-subscripts]
  165 |          cv[t[i-2]][t[i-1]][t[i-k]][t[i-k+1]]+
      |                   ^
necklace.cpp:165:27: warning: array subscript has type 'char' [-Wchar-subscripts]
  165 |          cv[t[i-2]][t[i-1]][t[i-k]][t[i-k+1]]+
      |                           ^
necklace.cpp:165:35: warning: array subscript has type 'char' [-Wchar-subscripts]
  165 |          cv[t[i-2]][t[i-1]][t[i-k]][t[i-k+1]]+
      |                                   ^
necklace.cpp:165:45: warning: array subscript has type 'char' [-Wchar-subscripts]
  165 |          cv[t[i-2]][t[i-1]][t[i-k]][t[i-k+1]]+
      |                                             ^
necklace.cpp:166:19: warning: array subscript has type 'char' [-Wchar-subscripts]
  166 |          cv[t[i-1]][t[i-k]][t[i-k+1]][t[i-k+2]];
      |                   ^
necklace.cpp:166:27: warning: array subscript has type 'char' [-Wchar-subscripts]
  166 |          cv[t[i-1]][t[i-k]][t[i-k+1]][t[i-k+2]];
      |                           ^
necklace.cpp:166:37: warning: array subscript has type 'char' [-Wchar-subscripts]
  166 |          cv[t[i-1]][t[i-k]][t[i-k+1]][t[i-k+2]];
      |                                     ^
necklace.cpp:166:47: warning: array subscript has type 'char' [-Wchar-subscripts]
  166 |          cv[t[i-1]][t[i-k]][t[i-k+1]][t[i-k+2]];
      |                                               ^
necklace.cpp:171:19: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
  171 |  return {res, a, b};
      |                   ^
necklace.cpp:118:6: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
  118 |  int a,b;
      |      ^
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