結果
| 問題 | No.2162 Copy and Paste 2 |
| コンテスト | |
| ユーザー |
snuke
|
| 提出日時 | 2022-12-13 00:20:52 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 1,174 ms / 7,000 ms |
| コード長 | 4,869 bytes |
| 記録 | |
| コンパイル時間 | 2,154 ms |
| コンパイル使用メモリ | 207,772 KB |
| 最終ジャッジ日時 | 2025-02-09 10:40:29 |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 26 |
コンパイルメッセージ
main.cpp: In function ‘int geti()’:
main.cpp:25:23: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
25 | int geti(){int x;scanf("%d",&x);return x;}
| ~~~~~^~~~~~~~~
ソースコード
#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define rep1(i,n) for(int i = 1; i <= (n); ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
#define srep(i,s,t) for (int i = s; i < (t); ++i)
#define rng(a) a.begin(),a.end()
#define rrng(a) a.rbegin(),a.rend()
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define pob pop_back
#define sz(x) (int)(x).size()
#define pcnt __builtin_popcountll
#define snuke srand((unsigned)clock()+(unsigned)time(NULL));
#define newline puts("")
using namespace std;
template<typename T> using vc = vector<T>;
template<typename T> using vv = vc<vc<T>>;
template<typename T> using PQ = priority_queue<T,vc<T>,greater<T>>;
using uint = unsigned; using ull = unsigned long long;
using vi = vc<int>; using vvi = vv<int>; using vvvi = vv<vi>;
using ll = long long; using vl = vc<ll>; using vvl = vv<ll>; using vvvl = vv<vl>;
using P = pair<int,int>; using vp = vc<P>; using vvp = vv<P>;
int geti(){int x;scanf("%d",&x);return x;}
vi pm(int n, int s=0) { vi a(n); iota(rng(a),s); return a;}
template<typename T>istream& operator>>(istream&i,vc<T>&v){rep(j,sz(v))i>>v[j];return i;}
template<typename T>string join(const T&v,const string& d=""){stringstream s;rep(i,sz(v))(i?s<<d:s)<<v[i];return s.str();}
template<typename T>ostream& operator<<(ostream&o,const vc<T>&v){if(sz(v))o<<join(v," ");return o;}
template<typename T1,typename T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.fi>>v.se;}
template<typename T1,typename T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.fi<<","<<v.se;}
template<typename T1,typename T2>void operator--(pair<T1,T2>&a,int){a.fi--;a.se--;}
template<typename T>void operator--(vc<T>&a,int){for(T&x:a)x--;}
template<typename T>void operator++(vc<T>&a,int){for(T&x:a)x++;}
template<typename T>void operator+=(vc<T>&a,T b){for(T&x:a)x+=b;}
template<typename T>void operator+=(vc<T>&a,const vc<T>&b){a.insert(a.end(),rng(b));}
template<typename T1,typename T2>bool mins(T1& x,const T2&y){if(x>y){x=y;return true;}else return false;}
template<typename T1,typename T2>bool maxs(T1& x,const T2&y){if(x<y){x=y;return true;}else return false;}
template<typename Tx, typename Ty>Tx dup(Tx x, Ty y){return (x+y-1)/y;}
template<typename T>ll suma(const vc<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;}
template<typename T>ll suma(const vv<T>&a){ll res(0);for(auto&&x:a)res+=suma(x);return res;}
template<typename T>void uni(T& a){sort(rng(a));a.erase(unique(rng(a)),a.end());}
template<typename T>void prepend(vc<T>&a,const T&x){a.insert(a.begin(),x);}
const double eps = 1e-10;
const ll LINF = 1001002003004005006ll;
const int INF = 1001001001;
#define dame { puts("-1"); return;}
#define yes { puts("Yes"); return;}
#define no { puts("No"); return;}
#define ret(x) { cout<<(x)<<endl; return;}
#define yn {puts("Yes");}else{puts("No");}
const int MX = 200005;
// Z algorithm
struct Z {
vi a;
Z(){}
Z(const string& s):a(sz(s)) {
int n = sz(s); a[0] = n;
for (int i=1,j=0;i<n;) {
while (i+j<n && s[j]==s[i+j]) ++j;
a[i] = j;
int k = !!j;
while (i+k<n && k+a[k]<j) a[i+k] = a[k], ++k;
i += k+!j; j -= k;
}
}
inline int operator[](int i) { return a[i];}
};
//
// Segment tree (range add)
struct F { // min func
using TT = int;
TT d;
F(TT d=INF):d(d) {}
F& operator+=(const F& f) {
mins(d, f.d);
return *this;
}
F operator+(const F& f) const { return F(*this) += f;}
};
struct seg {
vector<F> d; int n;
seg(){}
seg(int mx) {
n = 1; while (n < mx) n <<= 1;
d = vector<F>(n<<1);
}
void upd(int i) { d[i] = d[i<<1]+d[i<<1|1];}
F& operator[](int i) { return d[n+i];}
void init() { for(int i=n-1;i;--i) upd(i);}
F get(int i) {
F x;
for (i+=n;i;i>>=1) x += d[i];
return x;
}
void add(int l, int r, F f) {
if (l >= r) return;
// cerr<<l<<" "<<r<<" "<<f.d<<endl;
l += n; r += n;
while (l < r) {
if (l&1) d[l] += f, ++l;
if (r&1) --r, d[r] += f;
l >>= 1; r >>= 1;
}
}
};
//
struct Solver {
void solve() {
string s;
cin>>s;
int n = sz(s);
Z z(s);
vvi is(n+1);
srep(i,1,n) is[z[i]].pb(i);
seg t(n+5);
t.add(0,n+1,F(0));
set<int> st;
srep(i,1,n) if (z[i]) st.insert(i);
// cerr<<z.a<<endl;
int ans = INF;
rep1(i,n) {
int now = t.get(i).d+i;
// cerr<<now<<endl;
ans = now;
int j = i; now++;
while (1) {
auto it = st.lower_bound(j);
if (it == st.end()) break;
j = *it+i;
now -= i-1;
t.add(j,n+1,F(now-i));
}
for (int j : is[i]) st.erase(j);
}
cout<<ans<<endl;
}
};
int main() {
// cin.tie(nullptr); ios::sync_with_stdio(false);
int ts = 1;
// scanf("%d",&ts);
rep1(ti,ts) {
Solver solver;
solver.solve();
}
return 0;
}
snuke