結果
問題 | No.1707 Simple Range Reverse Problem |
ユーザー | snuke |
提出日時 | 2021-10-27 04:56:03 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 2,939 bytes |
コンパイル時間 | 3,482 ms |
コンパイル使用メモリ | 206,972 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-06 19:42:18 |
合計ジャッジ時間 | 2,802 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(要ログイン)
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
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 3 ms
5,248 KB |
ソースコード
#include <bits/stdc++.h> #define rep(i,n) for(int i = 0; i < (n); ++i) #define rrep(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 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 ll = long long; using vl = vc<ll>; using vvl = vv<ll>; using P = pair<int,int>; using vp = vc<P>; int getInt(){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>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());} const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #define dame { puts("No"); return;} #define ok { puts("Yes"); return;} #define yn {puts("Yes");}else{puts("No");} const int MX = 200005; struct Solver { void solve() { int n; scanf("%d",&n); int n2 = n*2; vi a(n2); cin>>a; int x = -1; vvi is(n); rep(i,n2) is[a[i]-1].pb(i); rep(i,n) if (sz(is[i]) != 2) dame; vi xs; rep(i,n) if (is[i][1] - is[i][0] == n) xs.pb(i); vi t(n2); rep(i,n2) t[i] = i%n+1; if (a == t) ok; for (int x : xs) { reverse(a.begin()+is[x][0]+1, a.begin()+is[x][1]); if (a == t) ok; reverse(a.begin()+is[x][0]+1, a.begin()+is[x][1]); } dame; } }; int main() { int ts = 1; scanf("%d",&ts); rrep(ti,ts) { Solver solver; solver.solve(); } return 0; }