結果
問題 | No.1053 ゲーミング棒 |
ユーザー | stoq |
提出日時 | 2020-05-15 21:45:08 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 11 ms / 2,000 ms |
コード長 | 2,791 bytes |
コンパイル時間 | 2,342 ms |
コンパイル使用メモリ | 204,160 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-19 09:27:15 |
合計ジャッジ時間 | 2,876 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 10 ms
5,376 KB |
testcase_24 | AC | 11 ms
5,376 KB |
testcase_25 | AC | 11 ms
5,376 KB |
testcase_26 | AC | 10 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 7 ms
5,376 KB |
testcase_31 | AC | 6 ms
5,376 KB |
testcase_32 | AC | 7 ms
5,376 KB |
testcase_33 | AC | 7 ms
5,376 KB |
testcase_34 | AC | 7 ms
5,376 KB |
testcase_35 | AC | 8 ms
5,376 KB |
testcase_36 | AC | 8 ms
5,376 KB |
ソースコード
#define MOD_TYPE 2 #pragma region Macros #include <bits/stdc++.h> using namespace std; /* #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using multiInt = boost::multiprecision::cpp_int; using lld = boost::multiprecision::cpp_dec_float_100; */ #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using ll = long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using pld = pair<ld, ld>; template <typename Q_type> using smaller_queue = priority_queue<Q_type, vector<Q_type>, greater<Q_type>>; constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353); constexpr int INF = (int)1e9; constexpr ll LINF = (ll)4e18; constexpr ld PI = acos(-1.0); constexpr ld EPS = 1e-11; constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0}; constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0}; #define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i) #define rep(i, n) REP(i, 0, n) #define REPI(i, m, n) for (int i = m; i < (int)(n); ++i) #define repi(i, n) REPI(i, 0, n) #define MP make_pair #define MT make_tuple #define YES(n) cout << ((n) ? "YES" : "NO") << "\n" #define Yes(n) cout << ((n) ? "Yes" : "No") << "\n" #define possible(n) cout << ((n) ? "possible" : "impossible") << "\n" #define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n" #define Yay(n) cout << ((n) ? "Yay!" : ":(") << "\n" #define all(v) v.begin(), v.end() #define NP(v) next_permutation(all(v)) #define dbg(x) cerr << #x << ":" << x << "\n"; inline void init_main() { cin.tie(0); ios::sync_with_stdio(false); cout << setprecision(30) << setiosflags(ios::fixed); } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } inline ll CEIL(ll a, ll b) { return (a + b - 1) / b; } template <typename A, size_t N, typename T> inline void Fill(A (&array)[N], const T &val) { fill((T *)array, (T *)(array + N), val); } #pragma endregion int main() { init_main(); int n; cin >> n; vector<int> v; int before = -1; int cnt[100010] = {}; rep(i, n) { int a; cin >> a; a--; if (a != before) { v.push_back(a); cnt[a]++; before = a; } } bool diff = true; rep(i, n) { if (cnt[i] >= 2) { diff = false; break; } } if (diff) { cout << 0 << endl; return 0; } if (v[0] != v.back()) { cout << -1 << endl; return 0; } v.pop_back(); cnt[v[0]]--; diff = true; rep(i, n) { if (cnt[i] >= 2) { diff = false; break; } } cout << (diff ? 1 : -1) << endl; return 0; }