結果

問題 No.1770 N言っちゃダメゲーム (6)
ユーザー oteraotera
提出日時 2021-12-08 19:06:57
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 92 ms / 2,000 ms
コード長 7,984 bytes
コンパイル時間 2,156 ms
コンパイル使用メモリ 204,292 KB
最終ジャッジ日時 2025-01-26 06:55:18
ジャッジサーバーID
(参考情報)
judge4 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 44
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

/**
* author: otera
* created: 08.12.2021 11:22:51
**/
#include<bits/stdc++.h>
#include<atcoder/lazysegtree>
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
using uint = unsigned;
#define repa(i, n) for(int i = 0; i < n; ++ i)
#define repb(i, a, b) for(int i = a; i < b; ++ i)
#define repc(i, a, b, c) for(int i = a; i < b; i += c)
#define overload4(a, b, c, d, e, ...) e
#define rep(...) overload4(__VA_ARGS__, repc, repb, repa)(__VA_ARGS__)
#define rep1a(i, n) for(int i = 0; i <= n; ++ i)
#define rep1b(i, a, b) for(int i = a; i <= b; ++ i)
#define rep1c(i, a, b, c) for(int i = a; i <= b; i += c)
#define rep1(...) overload4(__VA_ARGS__, rep1c, rep1b, rep1a)(__VA_ARGS__)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define per1(i,n) for(int i=n;i>=1;i--)
typedef pair<int, int> P;
typedef pair<ll, ll> LP;
#define pb push_back
#define eb emplace_back
#define fr first
#define sc second
#define all(c) c.begin(),c.end()
#define lb(c, x) distance((c).begin(), lower_bound(all(c), (x)))
#define ub(c, x) distance((c).begin(), upper_bound(all(c), (x)))
#define Sort(a) sort(all(a))
#define Rev(a) reverse(all(a))
#define Uniq(a) sort(all(a));a.erase(unique(all(a)),end(a))
#define si(c) (int)(c).size()
inline ll popcnt(ull a){ return __builtin_popcountll(a); }
#define tpow(n) (1LL<<(n))
#define unless(A) if(!(A))
ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; }
ll intpow(ll a, ll b, ll m) {ll ans = 1; while(b){ if(b & 1) (ans *= a) %= m; (a *= a) %= m; b /= 2; } return ans; }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)
#define ULL(...) ull __VA_ARGS__;in(__VA_ARGS__)
#define STR(...) string __VA_ARGS__;in(__VA_ARGS__)
#define CHR(...) char __VA_ARGS__;in(__VA_ARGS__)
#define DBL(...) double __VA_ARGS__;in(__VA_ARGS__)
#define LD(...) ld __VA_ARGS__;in(__VA_ARGS__)
#define vec(type,name,...) vector<type>name(__VA_ARGS__)
#define VEC(type,name,size) vector<type>name(size);in(name)
#define vv(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))
#define VV(type,name,h,w) vector<vector<type>>name(h,vector<type>(w));in(name)
#define vvv(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__)))
template <class T> using vc = vector<T>;
template <class T> using vvc = vector<vc<T>>;
template <class T> using vvvc = vector<vvc<T>>;
template <class T> using vvvvc = vector<vvvc<T>>;
template <class T> using pq = priority_queue<T>;
template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
template<class T> void scan(T& a){ cin >> a; }
template<class T> void scan(vector<T>& a){ for(auto&& i : a) scan(i); }
void in(){}
template <class Head, class... Tail> void in(Head& head, Tail&... tail){ scan(head); in(tail...); }
void print(){ cout << ' '; }
template<class T> void print(const T& a){ cout << a; }
template<class T> void print(const vector<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ cout << ' '; print(*i
    ); } }
int out(){ cout << '\n'; return 0; }
template<class T> int out(const T& t){ print(t); cout << '\n'; return 0; }
template<class Head, class... Tail> int out(const Head& head, const Tail&... tail){ print(head); cout << ' '; out(tail...); return 0; }
#define CHOOSE(a) CHOOSE2 a
#define CHOOSE2(a0,a1,a2,a3,a4,x,...) x
#define debug_1(x1) cout<<#x1<<": "<<x1<<endl
#define debug_2(x1,x2) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<endl
#define debug_3(x1,x2,x3) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<endl
#define debug_4(x1,x2,x3,x4) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<endl
#define debug_5(x1,x2,x3,x4,x5) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<", "#x5<<": "<<x5<<endl
#ifdef DEBUG
#define debug(...) CHOOSE((__VA_ARGS__,debug_5,debug_4,debug_3,debug_2,debug_1,~))(__VA_ARGS__)
#define dump(...) { print(#__VA_ARGS__); print(":"); out(__VA_ARGS__); }
#else
#define debug(...)
#define dump(...)
#endif
template <class Abel> struct BIT {
Abel UNITY_SUM = 0;
vector<Abel> dat[2];
// [0, n)
BIT(int n, Abel unity = 0) : UNITY_SUM(unity) {
init(n);
}
void init(int n) {
for (int iter = 0; iter < 2; ++iter)
dat[iter].assign(n + 1, UNITY_SUM);
}
// [a, b), a and b are 0-indexed
inline void sub_add(int p, int a, Abel x) {
for (int i = a; i < (int)dat[p].size(); i |= i + 1)
dat[p][i] = dat[p][i] + x;
}
inline void add(int a, int b, Abel x) {
sub_add(0, a, x * (-a));
sub_add(1, a, x);
sub_add(0, b, x * b);
sub_add(1, b, x * (-1));
}
// [a, b), a and b are 0-indexed
inline Abel sub_sum(int p, int a) {
Abel res = UNITY_SUM;
for (int i = a - 1; i >= 0; i = (i & (i + 1)) - 1)
res = res + dat[p][i];
return res;
}
inline Abel sum(int a, int b) {
return sub_sum(0, b)
+ sub_sum(1, b) * b
- sub_sum(0, a)
- sub_sum(1, a) * a;
}
// debug
void print() {
for (int i = 0; i < (int)dat[0].size(); ++i)
cout << sum(i, i + 1) << ",";
cout << endl;
}
};
using S = int;
using F = int;
const S INF = 8e8;
const F ID = 8e8;
S op(S a, S b){ return std::max(a, b); }
S e(){ return -INF; }
S mapping(F f, S x){ return (f == ID ? x : f); }
F composition(F f, F g){ return (f == ID ? g : f); }
F id(){ return ID; }
void solve() {
INT(n, k);
// DP: O(NK^2)
// {
// map<P, bool> memo;
// auto dfs = [&](auto&&dfs, int num, int pre) -> bool {
// P key = {num, pre};
// if(memo.count(key)) return memo[key];
// bool res = 0;
// if(num <= 0) return true;
// for(int i = 1; i <= k; ++ i) {
// if(i == pre) continue;
// if(num - i <= 0) continue;
// else if(not dfs(dfs, num - i, i)) res |= 1;
// }
// return memo[key] = res;
// };
// for(int i = 0; i <= k; ++ i) {
// for(int j = 0; j <= n; ++ j) {
// cout << dfs(dfs, j, i) << " ";
// }
// cout << endl;
// }
// }
{
BIT<int> bit(n + k + 1);
vc<int> v(n + k + 1, -1);
vc<int> ks(n + 1, -1);
atcoder::lazy_segtree<S, op, e, F, mapping, composition, id> seg(v);
vc<bool> win(n + 1, 0);
win[0] = 1;
for(int i = 1; i <= n; ++ i) {
int sum = bit.sum(i, i + 1);
if(sum == 0) {
// lose
ks[i] = ID;
bit.add(i + 1, i + k + 1, 1);
seg.apply(i + 1, i + k + 1, i);
} else if(sum == 1) {
win[i] = 1;
int id = seg.get(i);
ks[i] = i - id;
assert(id != -1);
bit.add(i + ks[i], i + ks[i] + 1, 1);
seg.apply(i + ks[i], i + ks[i] + 1, i);
} else {
// win
win[i] = 1;
}
debug(i, ks[i]);
}
if(!win[n]) out(0);
else {
vc<int> ans;
for(int j = n - 1; j >= n - k and j >= 0; -- j) {
debug(j, ks[j]);
if(ks[j] == ID or j + ks[j] == n) {
ans.eb(n - j);
}
}
for(int x: ans) {
out(x);
}
}
}
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
// cout << fixed << setprecision(20);
// INT(t); rep(i, t)solve();
solve();
return 0;
}
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