結果
問題 | No.2561 みんな大好きmod 998 |
ユーザー | NATTO |
提出日時 | 2023-12-02 14:57:39 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 317 ms / 4,000 ms |
コード長 | 2,882 bytes |
コンパイル時間 | 5,034 ms |
コンパイル使用メモリ | 311,776 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-26 17:45:42 |
合計ジャッジ時間 | 9,890 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 19 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 317 ms
5,376 KB |
testcase_04 | AC | 316 ms
5,376 KB |
testcase_05 | AC | 314 ms
5,376 KB |
testcase_06 | AC | 317 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 48 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 316 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 229 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 63 ms
5,376 KB |
testcase_27 | AC | 316 ms
5,376 KB |
testcase_28 | AC | 84 ms
5,376 KB |
testcase_29 | AC | 26 ms
5,376 KB |
testcase_30 | AC | 83 ms
5,376 KB |
testcase_31 | AC | 165 ms
5,376 KB |
testcase_32 | AC | 33 ms
5,376 KB |
testcase_33 | AC | 26 ms
5,376 KB |
testcase_34 | AC | 316 ms
5,376 KB |
testcase_35 | AC | 20 ms
5,376 KB |
testcase_36 | AC | 21 ms
5,376 KB |
testcase_37 | AC | 11 ms
5,376 KB |
testcase_38 | AC | 48 ms
5,376 KB |
testcase_39 | AC | 84 ms
5,376 KB |
testcase_40 | AC | 85 ms
5,376 KB |
testcase_41 | AC | 47 ms
5,376 KB |
testcase_42 | AC | 83 ms
5,376 KB |
testcase_43 | AC | 11 ms
5,376 KB |
testcase_44 | AC | 36 ms
5,376 KB |
testcase_45 | AC | 229 ms
5,376 KB |
testcase_46 | AC | 27 ms
5,376 KB |
ソースコード
#pragma region header #include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; // clang-format off struct Fast {Fast() {std::cin.tie(0); ios::sync_with_stdio(false);}} fast; inline void IN(void) { return; } template <typename First, typename... Rest> void IN(First &first, Rest &...rest) { cin >> first; IN(rest...); return; } template <typename T> istream &operator>>(istream &is, pair<T, T> &p) { is >> p.first >> p.second; return is; } template <typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &x : v) is >> x; return is; } template <typename T> ostream &operator<<(ostream &os, vector<T> &v) { for (auto &x : v) os << x << " "; os << endl; return os; } // templetes //alias using ull = unsigned long long; using ll = long long; using vi = vector<int>; using vvi = vector<vi>; using vll = vector<ll>; using vvll = vector<vll>; using vb = vector<bool>; using vvb = vector<vb>; using vs = vector<string>; using pll = pair<ll, ll>; //define short #define vec vector #define all(obs) (obs).begin(), (obs).end() #define YESNO(cond) (cond) ? cout << "YES" << endl : cout << "NO" << endl; #define YesNo(cond) (cond) ? cout << "Yes" << endl : cout << "No" << endl; #define yesno(cond) (cond) ? cout << "yes" << endl : cout << "no" << endl; #define sortv(obs) sort(all(obs)) #define rsortv(obs) reverse(sort(all(obs))) #define bitu(n,i) (((n)>>(i))&1) #define dig10(n) to_string(n).size() #define bcnt(n) __builtin_popcount(n) #define bcntll(n) __builtin_popcountll(n) #define F first #define S second #define pb push_back #define pq priority_queue //define loop #define rep(i, a,b) for(ll i = a; i < (b); i++) #define rrep(i, a,b) for(ll i = a; i >= (b); i--) //define INF const ll INF = 1e18; template <typename T1,typename T2> inline void chmin(T1 &a,T2 b){ if(a>b) a = b; } template <typename T1,typename T2> inline void chmax(T1 &a,T2 b){ if(a<b) a = b; } #pragma endregion header // clang-format on ll inv(ll a, ll m){ ll b = m, u = 1, v = 0; while(b){ ll t = a/b; a -= t*b; swap(a,b); u -= t*v; swap(u,v); } u %= m; if(u<0) u += m; return u; } int main(){ ll n,k; cin >> n >> k; vll a(n); cin >> a; ll ans=0; auto dfs=[&](auto dfs, ll i,vll v){ if(i>=n-1&&v.size()<k){ return; } if(v.size()==k){ ll s1=0,s2=0; rep(j,0,k){ s1+=a[v[j]]%998; s1%=998; s2+=a[v[j]]%998244353; s2%=998244353; } if(s1>=s2) ans++; ans%=998; return; } rep(j,i+1,n){ v.pb(j); dfs(dfs,j,v); v.pop_back(); } }; dfs(dfs,-1,{}); cout << ans << endl; }