結果
問題 | No.2204 Palindrome Splitting (No Rearrangement ver.) |
ユーザー | apricity |
提出日時 | 2023-02-03 22:03:09 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,059 bytes |
コンパイル時間 | 1,396 ms |
コンパイル使用メモリ | 131,124 KB |
実行使用メモリ | 27,904 KB |
最終ジャッジ日時 | 2024-07-02 19:59:52 |
合計ジャッジ時間 | 3,134 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | AC | 21 ms
27,776 KB |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | AC | 20 ms
27,776 KB |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | AC | 21 ms
27,904 KB |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | WA | - |
testcase_32 | AC | 51 ms
24,576 KB |
testcase_33 | AC | 21 ms
27,776 KB |
testcase_34 | AC | 2 ms
5,376 KB |
testcase_35 | WA | - |
ソースコード
#include<iostream> #include<string> #include<vector> #include<algorithm> #include<numeric> #include<cmath> #include<utility> #include<tuple> #include<cstdint> #include<cstdio> #include<iomanip> #include<map> #include<queue> #include<set> #include<stack> #include<deque> #include<unordered_map> #include<unordered_set> #include<bitset> #include<chrono> #include<random> #include<cctype> #include<cassert> #include<cstddef> #include<iterator> #include<string_view> #include<type_traits> #ifdef LOCAL # include "debug_print.hpp" # define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define debug(...) (static_cast<void>(0)) #endif using namespace std; #define rep(i,n) for(decltype(n) i=0; i<(n); i++) #define rrep(i,n) for(decltype(n) i=(n)-1; i>=0; i--) #define FOR(i,a,b) for(decltype(a) i=(a); i<(b); i++) #define RFOR(i,a,b) for(decltype(b) i=(b-1); i>=(a); i--) #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ); #define pb push_back using ll = long long; using D = double; using LD = long double; using P = pair<int, int>; template<typename T> using PQ = priority_queue<T,vector<T>>; template<typename T> using minPQ = priority_queue<T, vector<T>, greater<T>>; template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } void yesno(bool flag) {cout << (flag?"Yes":"No") << "\n";} template<typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << p.first << " " << p.second; return os; } template<typename T, typename U> istream &operator>>(istream &is, pair<T, U> &p) { is >> p.first >> p.second; return is; } template<typename T> ostream &operator<<(ostream &os, const vector<T> &v) { int s = (int)v.size(); for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i]; return os; } template<typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &x : v) is >> x; return is; } void in() {} template<typename T, class... U> void in(T &t, U &...u) { cin >> t; in(u...); } void out() { cout << "\n"; } template<typename T, class... U, char sep = ' '> void out(const T &t, const U &...u) { cout << t; if (sizeof...(u)) cout << sep; out(u...); } void outr() {} template<typename T, class... U, char sep = ' '> void outr(const T &t, const U &...u) { cout << t; outr(u...); } bool isp[5001][5001]; int main(){ ios_base::sync_with_stdio(false); cin.tie(nullptr); string s; in(s); int n = s.size(); rep(i,n+1)rep(j,n+1) isp[i][j] = false; rep(i,n){ int ok = 0, ng = n; while(ng-ok > 1){ int mid = (ok+ng)/2; int check = 1; if(i-mid < 0 || i+mid >= n) check = 0; if(check){ FOR(j,1,mid){ if(s[i+j] != s[i-j]){ check = 0; break; } } } if(check) ok = mid; else ng = mid; } rep(j,ok+1){ isp[i-ok][i+ok] = true; } } rep(i,n-1){ int ok = 0, ng = n; while(ng-ok > 1){ int mid = (ok+ng)/2; int check = 1; if(i-mid+1 < 0 || i+mid >= n) check = 0; if(check){ FOR(j,1,mid+1){ if(s[i-j+1] != s[i+j]) {check = 0; break;} } } if(check) ok = mid; else ng = mid; } rep(j,ok+1){ isp[i-ok+1][i+ok] = true; } } int ok = 1, ng = n+1; while(ng-ok > 1){ int mid = (ng+ok) / 2; vector<int> dp(n+1); dp[0] = 1; rep(i,n){ if(!dp[i]) continue; FOR(j,i+mid, n+1){ if(isp[i][j-1]) dp[j] = 1; } } if(dp[n]) ok = mid; else ng = mid; } out(ok); }