結果
| 問題 |
No.1313 N言っちゃダメゲーム (4)
|
| コンテスト | |
| ユーザー |
stoq
|
| 提出日時 | 2020-12-10 01:44:02 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 44 ms / 2,000 ms |
| コード長 | 4,245 bytes |
| コンパイル時間 | 1,974 ms |
| コンパイル使用メモリ | 208,108 KB |
| 最終ジャッジ日時 | 2025-01-16 21:11:43 |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 35 |
ソースコード
#define MOD_TYPE 2
#pragma region Macros
#include <bits/stdc++.h>
using namespace std;
#if 0
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/multiprecision/cpp_dec_float.hpp>
using Int = boost::multiprecision::cpp_int;
using lld = boost::multiprecision::cpp_dec_float_100;
#endif
#if 1
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#endif
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 + 10;
constexpr ll LINF = (ll)4e18;
constexpr double PI = acos(-1.0);
constexpr double EPS = 1e-7;
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 all(v) v.begin(), v.end()
#define NP(v) next_permutation(all(v))
#define dbg(x) cerr << #x << ":" << x << "\n";
struct io_init
{
io_init()
{
cin.tie(0);
ios::sync_with_stdio(false);
cout << setprecision(30) << setiosflags(ios::fixed);
};
} io_init;
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);
}
template <typename T, typename U>
constexpr istream &operator>>(istream &is, pair<T, U> &p) noexcept
{
is >> p.first >> p.second;
return is;
}
template <typename T, typename U>
constexpr ostream &operator<<(ostream &os, pair<T, U> &p) noexcept
{
os << p.first << " " << p.second;
return os;
}
#pragma endregion
template <typename T>
struct SegmentTree
{
using Fn = function<T(T, T)>;
int N;
vector<T> dat;
T ti;
Fn f;
SegmentTree() {}
SegmentTree(int n, Fn f, T ti) : f(f), ti(ti)
{
N = 1;
while (N < n)
N *= 2;
dat.assign(2 * N - 1, ti);
}
SegmentTree(const vector<T> &v, Fn f, T ti) : f(f), ti(ti)
{
N = 1;
int sz = v.size();
while (N < sz)
N *= 2;
dat.resize(2 * N - 1);
for (int i = 0; i < N; ++i)
dat[i + N - 1] = (i < sz ? v[i] : ti);
for (int i = N - 2; i >= 0; --i)
dat[i] = f(dat[i * 2 + 1], dat[i * 2 + 2]);
}
void update(int k, T a)
{
k += N - 1;
dat[k] = a;
while (k > 0)
{
k = (k - 1) / 2;
dat[k] = f(dat[k * 2 + 1], dat[k * 2 + 2]);
}
}
T get(int k) { return dat[k + N - 1]; }
void add(int k, T a) { update(k, f(get(k), a)); }
T query(int l, int r)
{
T vl = ti, vr = ti;
for (l += (N - 1), r += (N - 1); l < r; l >>= 1, r >>= 1)
{
if ((l & 1) == 0)
vl = f(vl, dat[l]);
if ((r & 1) == 0)
vr = f(vr, dat[--r]);
}
return f(vl, vr);
}
T query_all() { return dat[0]; }
void display()
{
for (int i = 0; i < N; i++)
cerr << get(i) << " ";
cerr << "\n";
}
};
void solve()
{
int n, k;
string s;
cin >> n >> k >> s;
vector<int> v;
auto f = [](bool a, bool b) { return a and b; };
SegmentTree<bool> sg(n, f, true);
sg.update(n - 1, true);
for (int i = n - 2; i >= 0; i--)
{
if (s[i] == 'x')
{
sg.update(i, true);
continue;
}
bool b = !sg.query(i + 1, min(n, i + k + 1));
sg.update(i, b);
}
int cnt = 0;
rep(i, k)
{
if (!sg.get(i) and s[i] == 'o')
cout << i + 1 << "\n", cnt++;
}
if (cnt == 0)
cout << 0 << "\n";
}
int main()
{
solve();
}
stoq