結果
| 問題 | No.2027 (1, 2, 3, …, N) 's Subset Sum |
| ユーザー |
 siganai
|
| 提出日時 | 2022-08-05 21:25:36 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 19 ms / 2,000 ms |
| コード長 | 5,817 bytes |
| コンパイル時間 | 2,631 ms |
| コンパイル使用メモリ | 218,744 KB |
| 最終ジャッジ日時 | 2025-01-30 17:37:07 |
|
ジャッジサーバーID （参考情報） |
judge4 / judge3 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 25 |
ソースコード
//#pragma GCC target("avx2")#pragma GCC optimize("O3")#pragma GCC optimize("unroll-loops")#include <bits/stdc++.h>#ifdef LOCAL# include <debug.hpp># define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)#else# define debug(...) (static_cast<void>(0))#endif//#include <atcoder/all>using namespace std;//using namespace atcoder;using ll = long long;using ld = long double;using pll = pair<ll, ll>;using pii = pair<int, int>;using vi = vector<int>;using vvi = vector<vi>;using vvvi = vector<vvi>;using vl = vector<ll>;using vvl = vector<vl>;using vvvl = vector<vvl>;using vs = vector<string>;template<class T> using pq = priority_queue<T, vector<T>, greater<T>>;#define overload4(_1, _2, _3, _4, name, ...) name#define overload3(a,b,c,name,...) name#define rep1(n) for (ll i = 0; i < (n); ++i)#define rep2(i, n) for (ll i = 0; i < (n); ++i)#define rep3(i, a, b) for (ll i = (a); i < (b); ++i)#define rep4(i, a, b, c) for (ll i = (a); i < (b); i += (c))#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)#define rrep1(n) for(ll i = (n) - 1;i >= 0;i--)#define rrep2(i,n) for(ll i = (n) - 1;i >= 0;i--)#define rrep3(i,a,b) for(ll i = (b) - 1;i >= (a);i--)#define rrep4(i,a,b,c) for(ll i = (a) + ((b)-(a)-1) / (c) * (c);i >= (a);i -= c)#define rrep(...) overload4(__VA_ARGS__, rrep4, rrep3, rrep2, rrep1)(__VA_ARGS__)#define all1(i) begin(i) , end(i)#define all2(i,a) begin(i) , begin(i) + a#define all3(i,a,b) begin(i) + a , begin(i) + b#define all(...) overload3(__VA_ARGS__, all3, all2, all1)(__VA_ARGS__)#define sum(...) accumulate(all(__VA_ARGS__),0LL)template<class T> bool chmin(T &a, const T &b){ if(a > b){ a = b; return 1; } else return 0; }template<class T> bool chmax(T &a, const T &b){ if(a < b){ a = b; return 1; } else return 0; }template<class T> auto min(const T& a){ return *min_element(all(a)); }template<class T> auto max(const T& a){ return *max_element(all(a)); }template<class... Ts> void in(Ts&... t);#define elif else if#define vec(type,name,...) vector<type> name(__VA_ARGS__)#define vv(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))#define INT(...) int __VA_ARGS__; in(__VA_ARGS__)#define LL(...) ll __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, size) vector<type> name(size); in(name)#define VV(type, name, h, w) vector<vector<type>> name(h, vector<type>(w)); in(name)ll intpow(ll a, ll b){ ll ans = 1; while(b){if(b & 1) ans *= a; a *= a; b /= 2;} return ans;}ll modpow(ll a, ll b, ll p){ ll ans = 1; while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; }namespace IO{#define VOID(a) decltype(void(a))struct setting{setting(){cin.tie(nullptr); ios::sync_with_stdio(false);fixed(cout); cout.precision(12);}} setting;template<int I> struct P : P<I-1>{};template<> struct P<0>{};template<class T> void i(T& t){ i(t, P<3>{}); }void i(vector<bool>::reference t, P<3>){ int a; i(a); t = a; }template<class T> auto i(T& t, P<2>) -> VOID(cin >> t){ cin >> t; }template<class T> auto i(T& t, P<1>) -> VOID(begin(t)){ for(auto&& x : t) i(x); }template<class T, size_t... idx> void ituple(T& t, index_sequence<idx...>){in(get<idx>(t)...);}template<class T> auto i(T& t, P<0>) -> VOID(tuple_size<T>{}){ituple(t, make_index_sequence<tuple_size<T>::value>{});}#undef VOID}#define unpack(a) (void)initializer_list<int>{(a, 0)...}template<class... Ts> void in(Ts&... t){ unpack(IO :: i(t)); }#undef unpack//constexpr mod = 1000000007;constexpr int mod = 998244353;static const double PI = 3.141592653589793;template <int mod>struct Modint{int x;Modint():x(0) {}Modint(long long y): x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}Modint &operator += (const Modint &p) {if((x += p.x) >= mod) x -= mod;return *this;}Modint &operator -= (const Modint &p) {if ((x += mod - p.x) >= mod) x -= mod;return *this;}Modint &operator *= (const Modint &p) {x = x * p.x % mod;return *this;}Modint &operator /= (const Modint &p) {*this *= p.inverse();return *this;}Modint operator -() const{return Modint(-x);}Modint operator +(const Modint &p) const {return Modint(*this) += p;}Modint operator -(const Modint &p) const {return Modint(*this) -= p;}Modint operator *(const Modint &p) const {return Modint(*this) *= p;}Modint operator /(const Modint &p) const {return Modint(*this) /= p;}Modint &operator++() {if(x == mod - 1) x = 0; else x++; return *this;}Modint &operator--() {if(x == 0) x = mod - 1; else x--; return *this;}bool operator == (const Modint &p) const {return x == p.x;}bool operator != (const Modint &p) const {return x != p.x;}Modint inverse() const {int a = x, b = mod, u = 1, v = 0, t;while (b > 0) {t = a / b;swap(a -= t * b, b);swap(u -= t * v, v);}return Modint(u);}Modint pow(long long n) const {Modint ret(1), mul(x);while (n > 0) {if (n & 1) ret *= mul;mul *= mul;n >>= 1;}return ret;}};using mint = Modint<mod>;int main() {LL(n,s);vi ans;ll now = n;while (s) {now = min(s,now);s -= now;ans.push_back(now);now--;}cout << ans.size() << '\n';reverse(all(ans));rep(i,ans.size()) {cout << ans[i] << (i < (int)ans.size() - 1 ? " ": "\n");}}