結果
問題 |
No.935 う し た ぷ に き あ く ん 笑 ビ - ム
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ユーザー |
|
提出日時 | 2019-11-29 22:56:07 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,809 bytes |
コンパイル時間 | 2,750 ms |
コンパイル使用メモリ | 209,344 KB |
最終ジャッジ日時 | 2025-01-08 06:12:25 |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 43 TLE * 15 |
ソースコード
#include <bits/stdc++.h> #define LLI long long int #define FOR(v, a, b) for(LLI v = (a); v < (b); ++v) #define FORE(v, a, b) for(LLI v = (a); v <= (b); ++v) #define REP(v, n) FOR(v, 0, n) #define REPE(v, n) FORE(v, 0, n) #define REV(v, a, b) for(LLI v = (a); v >= (b); --v) #define ALL(x) (x).begin(), (x).end() #define RALL(x) (x).rbegin(), (x).rend() #define ITR(it, c) for(auto it = (c).begin(); it != (c).end(); ++it) #define RITR(it, c) for(auto it = (c).rbegin(); it != (c).rend(); ++it) #define EXIST(c,x) ((c).find(x) != (c).end()) #define fst first #define snd second #define popcount __builtin_popcount #define UNIQ(v) (v).erase(unique(ALL(v)), (v).end()) #define bit(i) (1LL<<(i)) #ifdef DEBUG #include <misc/C++/Debug.cpp> #else #define dump(...) ((void)0) #endif #define gcd __gcd using namespace std; template <class T> constexpr T lcm(T m, T n){return m/gcd(m,n)*n;} template <typename I> void join(ostream &ost, I s, I t, string d=" "){for(auto i=s; i!=t; ++i){if(i!=s)ost<<d; ost<<*i;}ost<<endl;} template <typename T> istream& operator>>(istream &is, vector<T> &v){for(auto &a : v) is >> a; return is;} template <typename T, typename U> bool chmin(T &a, const U &b){return (a>b ? a=b, true : false);} template <typename T, typename U> bool chmax(T &a, const U &b){return (a<b ? a=b, true : false);} template <typename T, size_t N, typename U> void fill_array(T (&a)[N], const U &v){fill((U*)a, (U*)(a+N), v);} struct Init{ Init(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(12); cerr << fixed << setprecision(12); } }init; /** * @details eは単位元 */ template <typename T, typename Func> class SegmentTree{ protected: int size; std::vector<T> data; const T e; const Func f; inline T get_aux(int x, int y, int i, int l, int r) const { if(r <= x || y <= l) return e; else if(x <= l && r <= y) return data[i]; else return f(get_aux(x,y,i*2+1,l,(l+r)/2), get_aux(x,y,i*2+2,(l+r)/2,r)); }; public: SegmentTree(int n, const T &e, const Func &f): e(e), f(f){ size = 1; while(size < n) size *= 2; size = size*2-1; data = std::vector<T>(size, e); } inline T operator[](int i) const { return at(i); } inline T at(int i) const { return data[(size+1)/2 + i - 1]; } inline T get(int x, int y) const { // [x,y) return get_aux(x,y,0,0,(size+1)/2); } inline void update(int i, const T &x){ int j = i+(size+1)/2-1; data[j] = x; --j; while(j>=0){ data[j/2] = f(data[(j/2)*2+1], data[(j/2)*2+2]); (j /= 2) -= 1; } } void debug(){ #ifdef DEBUG std::cerr << "{"; for(int i = 0; i <= size/2; ++i){ if(i) std::cerr << ","; std::cerr << data[(size+1) / 2 + i - 1]; } std::cerr << "}" << std::endl; #endif } }; template <typename T> auto make_segment_tree_range_sum(int size, const T &e){ auto f = [](const auto &a, const auto &b){return a + b;}; return SegmentTree<T, decltype(f)>(size, e, f); } int main(){ int N; string S; while(cin >> N >> S){ vector<LLI> A(N); cin >> A; int Q; cin >> Q; auto seg1 = make_segment_tree_range_sum<LLI>(N, 0); auto seg2 = make_segment_tree_range_sum<int>(N, 0); REP(i,N){ seg1.update(i, A[i]); if(S[i] == 'E') seg2.update(i, 1); } REP(_,Q){ LLI K; cin >> K; int ans = 0; REP(i,N){ { int lb = i-1, ub = N; while(abs(lb-ub) > 1){ int mid = (lb+ub) / 2; if(seg1.get(i, mid+1) <= K){ lb = mid; }else{ ub = mid; } } chmax(ans, seg2.get(i, lb+1)); } } cout << ans << endl; } cerr << endl; } return 0; }