結果
問題 | No.1020 Reverse |
ユーザー |
|
提出日時 | 2020-04-10 21:27:48 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 6 ms / 2,000 ms |
コード長 | 2,741 bytes |
コンパイル時間 | 1,515 ms |
コンパイル使用メモリ | 166,452 KB |
実行使用メモリ | 4,352 KB |
最終ジャッジ日時 | 2023-10-13 23:17:15 |
合計ジャッジ時間 | 2,488 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge15 |
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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
4,352 KB |
testcase_01 | AC | 1 ms
4,348 KB |
testcase_02 | AC | 2 ms
4,348 KB |
testcase_03 | AC | 2 ms
4,352 KB |
testcase_04 | AC | 1 ms
4,348 KB |
testcase_05 | AC | 1 ms
4,352 KB |
testcase_06 | AC | 1 ms
4,348 KB |
testcase_07 | AC | 4 ms
4,352 KB |
testcase_08 | AC | 5 ms
4,348 KB |
testcase_09 | AC | 4 ms
4,348 KB |
testcase_10 | AC | 6 ms
4,352 KB |
testcase_11 | AC | 6 ms
4,348 KB |
testcase_12 | AC | 5 ms
4,348 KB |
testcase_13 | AC | 5 ms
4,352 KB |
testcase_14 | AC | 5 ms
4,348 KB |
testcase_15 | AC | 5 ms
4,352 KB |
testcase_16 | AC | 5 ms
4,352 KB |
testcase_17 | AC | 5 ms
4,352 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; #define ALL(obj) (obj).begin(),(obj).end() #define SPEED cin.tie(0);ios::sync_with_stdio(false); template<class T> using PQ = priority_queue<T>; template<class T> using PQR = priority_queue<T,vector<T>,greater<T>>; constexpr long long MOD = (long long)1e9 + 7; constexpr long long MOD2 = 998244353; constexpr long long HIGHINF = (long long)1e18; constexpr long long LOWINF = (long long)1e15; constexpr long double PI = 3.1415926535897932384626433L; template <class T> vector<T> multivector(size_t N,T init){return vector<T>(N,init);} template <class... T> auto multivector(size_t N,T... t){return vector<decltype(multivector(t...))>(N,multivector(t...));} template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}} template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;} template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;} template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;} template <template <class tmp> class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} void print(void) {cout << endl;} template <class Head> void print(Head&& head) {cout << head;print();} template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);} template <class T> void chmax(T& a, const T b){a=max(a,b);} template <class T> void chmin(T& a, const T b){a=min(a,b);} void YN(bool flg) {cout << (flg ? "YES" : "NO") << endl;} void Yn(bool flg) {cout << (flg ? "Yes" : "No") << endl;} void yn(bool flg) {cout << (flg ? "yes" : "no") << endl;} int main() { int N,K; cin >> N >> K; string S; cin >> S; string T = ""; string U = S.substr(K-1,N); T += U; U = S.substr(0,K-1); if((N-K+1)&1) reverse(ALL(U)); T += U; cout << T << endl; return 0; }