結果
| 問題 |
No.790 ちきんの括弧並べ
|
| ユーザー |
|
| 提出日時 | 2019-03-08 22:54:46 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,215 bytes |
| コンパイル時間 | 1,879 ms |
| コンパイル使用メモリ | 179,536 KB |
| 実行使用メモリ | 13,752 KB |
| 最終ジャッジ日時 | 2024-06-23 15:09:18 |
| 合計ジャッジ時間 | 7,478 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | -- * 3 |
| other | AC * 9 TLE * 1 |
ソースコード
#define NOMINMAX
#define TEST_MODE true
#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES
#include "bits/stdc++.h"
#include <random>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define rep2(i, a, b) for (int i = (a); i < (int)(b); ++i)
#define rrep(i, n) for (int i = (n)-1; i >= 0; --i)
#define rrep2(i, a, b) for (int i = (a)-1; i >= (int)b; --i)
#define range(i, a, b, c) for (int i = a; \
c > 0 ? i < b : i > b; \
i += c)
#define chmax(a, b) (a = (a) < (b) ? (b) : (a))
#define chmin(a, b) (a = (a) > (b) ? (b) : (a))
using ll = long long;
using ull = unsigned long long;
using ld = long double;
#define all(a) begin(a), end(a)
#define ifnot(a) if (not(a))
#define int long long
#ifdef LOCAL_ENV
#if TEST_MODE == true
const bool test = true;
#define dump(x) cerr << #x << " : " << (x) << " "
#define dumpl(x) dump(x) << endl
#else
const bool test = false;
#define dump(x)
#define dumpl(x)
#endif
#else
const bool test = false;
#define dump(x)
#define dumpl(x)
#endif
int dx[] = { 1, 0, -1, 0 };
int dy[] = { 0, 1, 0, -1 };
const int INF = (int)1 << 60;
const int undefined = INF;
const ll INFL = (ll)1 << 60;
ll mod_n = (int)1e9 + 7;
const double eps = 1e-10;
typedef long double Real;
// return -1, 0, 1
int sgn(const Real &r) { return (r > eps) - (r < -eps); }
int sgn(const Real &a, const Real &b) { return sgn(a - b); }
//.....................
const int MAX = (int)2e5 + 5;
vector<string> split(const string &str, char sep)
{
vector<string> v;
stringstream ss(str);
string buffer;
while (getline(ss, buffer, sep))
{
v.push_back(buffer);
}
return v;
}
string join(const vector<string>& v, const string delim = 0) {
string s;
if (!v.empty()) {
s += v[0];
for (decltype(v.size()) i = 1, c = v.size(); i < c; ++i) {
if (delim != "") s += delim;
s += v[i];
}
}
return s;
}
string operator * (const string& s, const int& n) {
string res = "";
rep(i, n) res += s;
return res;
}
template <class InputIterator>
int sum(InputIterator begin, InputIterator end)
{
return accumulate(begin, end, 0ll);
}
template<typename T>
T gcd(T a, T b)
{
T c;
while (a != 0) {
c = a; a = b % a; b = c;
}
return b;
}
template<typename T>
T bit_count(T N) {
T cnt = 0;
while (N) {
if (N & 1) cnt++;
N >>= 1;
}
return cnt;
}
template<typename T>
void print_vec(ostream& ostream, vector<T> a) {
rep(i, a.size() - 1) ostream << a[i] << " ";
ostream << a.back() << endl;
}
ll pow_n(ll x, ll n) {
ll res = 1;
while (n > 0) {
if (n & 1) res = res * x;
x = x * x;
n >>= 1;
}
return res;
}
template<class T, class U>
T mod_pow(T x, U n) {
T res = 1;
while (n > 0) {
if (n & 1) res = res * x;
x = x * x;
x %= mod_n;
n >>= 1;
res %= mod_n;
}
return res;
}
template<class T>
T mod_rev(T a) {
T res = 1;
return mod_pow(a, mod_n - 2);
}
int H, W;
bool grid_ng(int y, int x) {
return y < 0 || y >= H || x < 0 || x >= W;
}
struct Point {
int x, y;
Point(int y_, int x_) : y(y_), x(x_) {}
bool operator < (const Point& r) const {
if (y != r.y) return y < r.y;
return x < r.x;
}
};
int n;
class Solver {
public:
int ans2(int cur) {
int res = 0;
int m = cur * 2;
rep(i, 1 << m) {
vector<int> tmp(m);
int a = i;
rep(j, m) {
tmp[j] = ((a & 1) == 0 ? 0 : 1);
a >>= 1;
}
auto b = bitset<30>(i);
stack<int> st;
//rep(j, m) {
// if (tmp[j] == 0) st.push(0);
// else {
// if (st.size() == 0) goto label1;
// st.pop();
// }
//}
rep(j, m) {
if (b.test(j) == 0) st.push(0);
else {
if (st.size() == 0) goto label1;
st.pop();
}
}
if (st.size() != 0) goto label1;
res += 1;
label1:;
}
return res;
}
int ans() {
int res = 0;
rep(i, n + 1) {
res += ans2(i);
}
return res;
}
void solve()
{
cin >> n;
cout << ans2(n) << endl;
//dumpl(ans2(0));
}
};
signed main()
{
srand((unsigned int)time(NULL));
cout << fixed << setprecision(20);
auto ptr = new Solver();
ptr->solve();
delete ptr;
//while (true) {
// if (cin.eof() == true) break;
// auto ptr = new Solver();
// ptr->solve();
// delete ptr;
//}
return 0;
}