結果
問題 | No.2653 [Cherry 6th Tune] Re: start! (Make it Zero!) |
ユーザー | 👑 Nachia |
提出日時 | 2024-02-23 21:40:18 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,557 bytes |
コンパイル時間 | 1,129 ms |
コンパイル使用メモリ | 112,784 KB |
実行使用メモリ | 8,064 KB |
最終ジャッジ日時 | 2024-09-29 05:55:23 |
合計ジャッジ時間 | 5,586 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 |
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testcase_00 | AC | 2 ms
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testcase_01 | AC | 20 ms
5,248 KB |
testcase_02 | AC | 20 ms
5,248 KB |
testcase_03 | AC | 20 ms
5,248 KB |
testcase_04 | AC | 20 ms
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testcase_05 | AC | 20 ms
5,248 KB |
testcase_06 | AC | 31 ms
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testcase_07 | AC | 30 ms
5,248 KB |
testcase_08 | AC | 20 ms
7,808 KB |
testcase_09 | AC | 22 ms
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testcase_10 | AC | 22 ms
7,936 KB |
testcase_11 | AC | 23 ms
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testcase_12 | AC | 22 ms
7,936 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
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testcase_71 | WA | - |
ソースコード
#ifdef NACHIA #define _GLIBCXX_DEBUG #else #define NDEBUG #endif #include <iostream> #include <string> #include <vector> #include <algorithm> #include <utility> #include <queue> #include <array> #include <cmath> #include <atcoder/modint> using i64 = long long; using u64 = unsigned long long; #define rep(i,n) for(i64 i=0; i<(i64)(n); i++) #define repr(i,n) for(i64 i=(i64)(n)-1; i>=0; i--) const i64 INF = 1001001001001001001; const char* yn(bool x){ return x ? "Yes" : "No"; } template<typename A> void chmin(A& l, const A& r){ if(r < l) l = r; } template<typename A> void chmax(A& l, const A& r){ if(l < r) l = r; } template<typename A> using nega_queue = std::priority_queue<A,std::vector<A>,std::greater<A>>; using Modint = atcoder::static_modint<998244353>; #include <iterator> #include <functional> template<class Elem> struct vec; template<class Iter> struct seq_view{ using Ref = typename std::iterator_traits<Iter>::reference; using Elem = typename std::iterator_traits<Iter>::value_type; Iter a, b; Iter begin() const { return a; } Iter end() const { return b; } int size() const { return (int)(b-a); } seq_view(Iter first, Iter last) : a(first), b(last) {} seq_view sort() const { std::sort(a, b); return *this; } Ref& operator[](int x){ return *(a+x); } template<class F = std::less<Elem>, class ret = vec<int>> ret sorti(F f = F()) const { ret x(size()); for(int i=0; i<size(); i++) x[i] = i; x().sort([&](int l, int r){ return f(a[l],a[r]); }); return x; } template<class ret = vec<Elem>> ret col() const { return ret(begin(), end()); } template<class F = std::equal_to<Elem>, class ret = vec<std::pair<Elem, int>>> ret rle(F eq = F()) const { auto x = ret(); for(auto& a : (*this)){ if(x.size() == 0 || !eq(x[x.size()-1].first, a)) x.emp(a, 1); else x[x.size()-1].second++; } return x; } template<class F> seq_view sort(F f) const { std::sort(a, b, f); return *this; } Iter uni() const { return std::unique(a, b); } Iter lb(const Elem& x) const { return std::lower_bound(a, b, x); } Iter ub(const Elem& x) const { return std::upper_bound(a, b, x); } int lbi(const Elem& x) const { return lb(x) - a; } int ubi(const Elem& x) const { return ub(x) - a; } seq_view bound(const Elem& l, const Elem& r) const { return { lb(l), lb(r) }; } template<class F> Iter lb(const Elem& x, F f) const { return std::lower_bound(a, b, x, f); } template<class F> Iter ub(const Elem& x, F f) const { return std::upper_bound(a, b, x, f); } template<class F> Iter when_true_to_false(F f) const { if(a == b) return a; return std::lower_bound(a, b, *a, [&](const Elem& x, const Elem&){ return f(x); }); } seq_view same(Elem x) const { return { lb(x), ub(x) }; } template<class F> auto map(F f) const { vec<typename Iter::value_type> r; for(auto& x : *this) r.emp(f(x)); return r; } Iter max() const { return std::max_element(a, b); } Iter min() const { return std::min_element(a, b); } template<class F = std::less<Elem>> Iter min(F f) const { return std::min_element(a, b, f); } seq_view rev() const { std::reverse(a, b); return *this; } }; template<class Elem> struct vec { using Base = typename std::vector<Elem>; using Iter = typename Base::iterator; using CIter = typename Base::const_iterator; using View = seq_view<Iter>; using CView = seq_view<CIter>; vec(){} explicit vec(int n, const Elem& value = Elem()) : a(0<n?n:0, value) {} template <class I2> vec(I2 first, I2 last) : a(first, last) {} vec(std::initializer_list<Elem> il) : a(std::move(il)) {} vec(Base b) : a(std::move(b)) {} operator Base() const { return a; } Iter begin(){ return a.begin(); } CIter begin() const { return a.begin(); } Iter end(){ return a.end(); } CIter end() const { return a.end(); } int size() const { return a.size(); } bool empty() const { return a.empty(); } Elem& back(){ return a.back(); } const Elem& back() const { return a.back(); } vec sortunied(){ vec x = *this; x().sort(); x.a.erase(x().uni(), x.end()); return x; } Iter operator()(int x){ return a.begin() + x; } CIter operator()(int x) const { return a.begin() + x; } View operator()(int l, int r){ return { (*this)(l), (*this)(r) }; } CView operator()(int l, int r) const { return { (*this)(l), (*this)(r) }; } View operator()(){ return (*this)(0,size()); } CView operator()() const { return (*this)(0,size()); } Elem& operator[](int x){ return a[x]; } const Elem& operator[](int x) const { return a[x]; } Base& operator*(){ return a; } const Base& operator*() const { return a; } vec& push(Elem args){ a.push_back(std::move(args)); return *this; } template<class... Args> vec& emp(Args &&... args){ a.emplace_back(std::forward<Args>(args) ...); return *this; } template<class Range> vec& app(Range& x){ for(auto& v : a) emp(v); } Elem pop(){ Elem x = std::move(a.back()); a.pop_back(); return x; } bool operator==(const vec& r) const { return a == r.a; } bool operator!=(const vec& r) const { return a != r.a; } bool operator<(const vec& r) const { return a < r.a; } bool operator<=(const vec& r) const { return a <= r.a; } bool operator>(const vec& r) const { return a > r.a; } bool operator>=(const vec& r) const { return a >= r.a; } vec<vec<Elem>> pile(int n) const { return vec<vec<Elem>>(n, *this); } template<class F> vec& filter(F f){ int p = 0; for(int q=0; q<size(); q++) if(f(a[q])) std::swap(a[p++],a[q]); a.resize(p); return *this; } private: Base a; }; template<class IStr, class U, class T> IStr& operator>>(IStr& is, vec<std::pair<U,T>>& v){ for(auto& x:v){ is >> x.first >> x.second; } return is; } template<class IStr, class T> IStr& operator>>(IStr& is, vec<T>& v){ for(auto& x:v){ is >> x; } return is; } template<class OStr, class T> OStr& operator<<(OStr& os, const vec<T>& v){ for(int i=0; i<v.size(); i++){ if(i){ os << ' '; } os << v[i]; } return os; } template<class OStr, class U, class T> OStr& operator<<(OStr& os, const vec<std::pair<U,T>>& v){ for(int i=0; i<v.size(); i++){ if(i){ os << ' '; } os << '(' << v[i].first << ',' << v[i].second << ')'; } return os; } using namespace std; void unit(){ i64 N, M; cin >> N >> M; vec<i64> A(N); cin >> A; i64 numQ = 0; rep(i,N) if(A[i] < 0) numQ++; if(numQ == 0){ vec<i64> S(N+1); rep(i,N) S[i+1] = S[i] + A[i]; if(S[N] % M != 0){ cout << "0\n"; return; } i64 c = 0; rep(i,N) if(S[i+1] != 0) c++; cout << c << '\n'; return; } Modint f = 0; vec<i64> PS(N+1), SS(N+1); rep(i,N) PS[i+1] = PS[i] + A[i]; repr(i,N) SS[i] = SS[i+1] + A[i]; i64 lp = 0; while(A[lp] != -1) lp++; i64 rp = N; while(A[rp-1] != -1) rp--; rep(i,lp) if(PS[i+1] != 0) f += 1; for(int i=rp; i<N; i++) if(SS[i] != 0) f += 1; if(numQ >= 2){ f *= M; f += Modint(rp-lp-1) * (M-1); f *= Modint(M).pow(numQ-2); } cout << f.val() << '\n'; } void testcase(){ int T; cin >> T; rep(t,T) unit(); } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); #ifdef NACHIA int T; cin >> T; for(int t=0; t<T; T!=++t?(cout<<'\n'),0:0) #endif testcase(); return 0; }