結果
問題 | No.1827 最長部分スーパーリッチ門松列列 |
ユーザー | fastmath |
提出日時 | 2022-01-28 22:28:32 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 103 ms / 2,000 ms |
コード長 | 3,496 bytes |
コンパイル時間 | 1,611 ms |
コンパイル使用メモリ | 147,452 KB |
実行使用メモリ | 18,984 KB |
最終ジャッジ日時 | 2024-06-09 15:42:08 |
合計ジャッジ時間 | 4,114 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 6 ms
5,376 KB |
testcase_04 | AC | 23 ms
5,376 KB |
testcase_05 | AC | 24 ms
5,376 KB |
testcase_06 | AC | 24 ms
5,376 KB |
testcase_07 | AC | 61 ms
18,984 KB |
testcase_08 | AC | 60 ms
18,860 KB |
testcase_09 | AC | 60 ms
18,968 KB |
testcase_10 | AC | 60 ms
18,860 KB |
testcase_11 | AC | 62 ms
18,864 KB |
testcase_12 | AC | 97 ms
18,864 KB |
testcase_13 | AC | 99 ms
18,808 KB |
testcase_14 | AC | 103 ms
18,860 KB |
testcase_15 | AC | 101 ms
18,824 KB |
testcase_16 | AC | 102 ms
18,732 KB |
testcase_17 | AC | 97 ms
18,864 KB |
testcase_18 | AC | 100 ms
18,984 KB |
testcase_19 | AC | 66 ms
18,864 KB |
testcase_20 | AC | 65 ms
18,852 KB |
testcase_21 | AC | 65 ms
18,808 KB |
testcase_22 | AC | 80 ms
18,860 KB |
testcase_23 | AC | 79 ms
18,944 KB |
testcase_24 | AC | 77 ms
18,856 KB |
ソースコード
#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <bitset> #include <fstream> #include <array> #include <functional> #include <stack> #include <memory> using namespace std; #define int long long #define ii pair <int, int> #define app push_back #define all(a) a.begin(), a.end() #define bp __builtin_popcountll #define ll long long #define mp make_pair #define x first #define y second #define Time (double)clock()/CLOCKS_PER_SEC #ifdef LOCAL #define debug(x) std::cerr << #x << ": " << x << '\n'; #else #define debug(x) #endif #define FORI(i,a,b) for (int i = (a); i < (b); ++i) #define FOR(i,a) FORI(i,0,a) #define ROFI(i,a,b) for (int i = (b)-1; i >= (a); --i) #define ROF(i,a) ROFI(i,0,a) #define rep(a) FOR(_,a) #define each(a,x) for (auto& a: x) #define FORN(i, n) FORI(i, 1, n + 1) using vi = vector<int>; template <typename T> std::istream& operator >>(std::istream& input, std::pair <T, T> & data) { input >> data.x >> data.y; return input; } template <typename T> std::istream& operator >>(std::istream& input, std::vector<T>& data) { for (T& x : data) input >> x; return input; } template <typename T> std::ostream& operator <<(std::ostream& output, const pair <T, T> & data) { output << "(" << data.x << "," << data.y << ")"; return output; } template <typename T> std::ostream& operator <<(std::ostream& output, const std::vector<T>& data) { for (const T& x : data) output << x << " "; return output; } std::ostream& operator <<(std::ostream& output, const __int128 &x) { __int128 n = x; if (n == 0) { output << "0"; return output; } if (n < 0) { n = -n; output << "-"; } string s; while (n) { s += '0' + (n%10); n /= 10; } reverse(all(s)); cout << s; return output; } ll div_up(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up ll div_down(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down ll math_mod(ll a, ll b) { return a - b * div_down(a, b); } #define tcT template<class T #define tcTU tcT, class U tcT> using V = vector<T>; tcT> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; } // set a = min(a,b) tcT> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } ll gcd(ll a, ll b) { while (b) { tie(a, b) = mp(b, a % b); } return a; } int Bit(int mask, int bit) { return (mask >> bit) & 1; } signed main() { #ifdef LOCAL #else #define endl '\n' ios_base::sync_with_stdio(0); cin.tie(0); #endif int t; cin >> t; rep (t) { int n; cin >> n; vi a(n); cin >> a; V <ii> s; FOR (i, n) { s.app(mp(a[i], i)); } sort(all(s)); reverse(all(s)); vi c(n); int seg = 1; int ans = 1; each (e, s) { int i = e.y; if (i) seg -= c[i] ^ c[i - 1]; if (i + 1 < n) seg -= c[i] ^ c[i + 1]; c[i] ^= 1; if (i) seg += c[i] ^ c[i - 1]; if (i + 1 < n) seg += c[i] ^ c[i + 1]; ckmax(ans, seg); } cout << ans << endl; } }