結果
問題 | No.2686 商品券の使い道 |
ユーザー | ゆにぽけ |
提出日時 | 2024-03-20 22:18:59 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 31 ms / 3,000 ms |
コード長 | 7,573 bytes |
コンパイル時間 | 1,882 ms |
コンパイル使用メモリ | 148,316 KB |
実行使用メモリ | 8,020 KB |
最終ジャッジ日時 | 2024-09-30 08:15:13 |
合計ジャッジ時間 | 3,586 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
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 | 2 ms
5,248 KB |
testcase_02 | AC | 10 ms
5,248 KB |
testcase_03 | AC | 10 ms
5,248 KB |
testcase_04 | AC | 10 ms
5,248 KB |
testcase_05 | AC | 9 ms
5,248 KB |
testcase_06 | AC | 10 ms
5,248 KB |
testcase_07 | AC | 9 ms
5,248 KB |
testcase_08 | AC | 10 ms
5,248 KB |
testcase_09 | AC | 9 ms
5,248 KB |
testcase_10 | AC | 9 ms
5,248 KB |
testcase_11 | AC | 11 ms
5,248 KB |
testcase_12 | AC | 10 ms
5,248 KB |
testcase_13 | AC | 10 ms
5,248 KB |
testcase_14 | AC | 11 ms
5,248 KB |
testcase_15 | AC | 11 ms
5,248 KB |
testcase_16 | AC | 11 ms
5,248 KB |
testcase_17 | AC | 11 ms
5,248 KB |
testcase_18 | AC | 11 ms
5,248 KB |
testcase_19 | AC | 11 ms
5,248 KB |
testcase_20 | AC | 11 ms
5,248 KB |
testcase_21 | AC | 11 ms
5,248 KB |
testcase_22 | AC | 11 ms
5,248 KB |
testcase_23 | AC | 11 ms
5,248 KB |
testcase_24 | AC | 11 ms
5,248 KB |
testcase_25 | AC | 10 ms
5,248 KB |
testcase_26 | AC | 10 ms
5,248 KB |
testcase_27 | AC | 11 ms
5,248 KB |
testcase_28 | AC | 10 ms
5,248 KB |
testcase_29 | AC | 31 ms
7,892 KB |
testcase_30 | AC | 30 ms
7,888 KB |
testcase_31 | AC | 30 ms
8,016 KB |
testcase_32 | AC | 31 ms
8,016 KB |
testcase_33 | AC | 30 ms
8,016 KB |
testcase_34 | AC | 30 ms
8,012 KB |
testcase_35 | AC | 31 ms
8,012 KB |
testcase_36 | AC | 30 ms
7,888 KB |
testcase_37 | AC | 31 ms
8,008 KB |
testcase_38 | AC | 30 ms
8,020 KB |
testcase_39 | AC | 30 ms
8,012 KB |
testcase_40 | AC | 30 ms
8,016 KB |
testcase_41 | AC | 28 ms
7,988 KB |
testcase_42 | AC | 31 ms
8,012 KB |
testcase_43 | AC | 31 ms
8,012 KB |
testcase_44 | AC | 30 ms
8,012 KB |
testcase_45 | AC | 31 ms
8,016 KB |
testcase_46 | AC | 31 ms
8,012 KB |
evil_random20_1.txt | AC | 27 ms
8,016 KB |
evil_random20_2.txt | AC | 26 ms
8,012 KB |
evil_random20_3.txt | AC | 27 ms
8,008 KB |
ソースコード
#include <iostream> #include <vector> #include <algorithm> #include <array> #include <iterator> #include <string> #include <cctype> #include <cstring> #include <cstdlib> #include <cassert> #include <cmath> #include <ctime> #include <iomanip> #include <numeric> #include <stack> #include <queue> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <bitset> #include <random> #include <utility> #include <functional> using namespace std; template<int m> struct modint { private: unsigned int value; static constexpr int mod() {return m;} public: constexpr modint(const long long x = 0) noexcept { long long y = x; if(y < 0 || y >= mod()) { y %= mod(); if(y < 0) y += mod(); } value = (unsigned int)y; } static constexpr int get_mod() noexcept {return m;} static constexpr int primitive_root() noexcept { assert(m == 998244353); return 3; } constexpr unsigned int val() noexcept {return value;} constexpr modint &operator+=(const modint &other) noexcept { value += other.value; if(value >= mod()) value -= mod(); return *this; } constexpr modint &operator-=(const modint &other) noexcept { unsigned int x = value; if(x < other.value) x += mod(); x -= other.value; value = x; return *this; } constexpr modint &operator*=(const modint &other) noexcept { unsigned long long x = value; x *= other.value; value = (unsigned int) (x % mod()); return *this; } constexpr modint &operator/=(const modint &other) noexcept { return *this *= other.inverse(); } constexpr modint inverse() const noexcept { assert(value); long long a = value,b = mod(),x = 1,y = 0; while(b) { long long q = a/b; a -= q*b; swap(a,b); x -= q*y; swap(x,y); } return modint(x); } constexpr modint power(long long N) const noexcept { assert(N >= 0); modint p = *this,ret = 1; while(N) { if(N & 1) ret *= p; p *= p; N >>= 1; } return ret; } constexpr modint operator+() {return *this;} constexpr modint operator-() {return modint() - *this;} constexpr modint &operator++(int) noexcept {return *this += 1;} constexpr modint &operator--(int) noexcept {return *this -= 1;} friend modint operator+(const modint& lhs, const modint& rhs) {return modint(lhs) += rhs;} friend modint operator-(const modint& lhs, const modint& rhs) {return modint(lhs) -= rhs;} friend modint operator*(const modint& lhs, const modint& rhs) {return modint(lhs) *= rhs;} friend modint operator/(const modint& lhs, const modint& rhs) {return modint(lhs) /= rhs;} friend ostream &operator<<(ostream &os,const modint &x) {return os << x.value;} }; using mint = modint<998244353>; /* using mint = modint<1000000007>; */ template<class T,T (*op)(T,T),T (*e)()> struct segtree { private: int size,N; vector<T> node; public: segtree(int N = 0) : segtree(vector<T>(N,e())) {} segtree(const vector<T> &V) { N = (int)V.size(); size = 1; while(size < N) { size <<= 1; } node.assign(2 * size,e()); for(int i = 0;i < N;i++) { node[i + size] = V[i]; } for(int i = size - 1;i >= 1;i--) { node[i] = op(node[2 * i],node[2 * i + 1]); } } void replace(int pos,T x) { func_update(pos,x,[](T u,T v){return u = v;}); } void add(int pos,T x) { func_update(pos,x,[](T u,T v){return u + v;}); } void func_update(int pos,T x) { func_update(pos,x,op); } void func_update(int pos,T x,T (*func)(T,T)) { assert(0 <= pos && pos < N); pos += size; node[pos] = func(node[pos],x); while(pos >> 1) { pos >>= 1; node[pos] = op(node[2 * pos],node[2 * pos + 1]); } } T operator[](int pos) { assert(0 <= pos && pos < N); return node[pos + size]; } int get_log() { int res = 0; while(1 << res < size) { res++; } assert((1 << res) == size); return res; } vector<vector<T>> tree_list() { vector<vector<T>> res; int log = get_log(); res.reserve(log + 1); for(int i = 0;i <= log;i++) { int L = 1 << log,R = L << 1; vector<T> cur(node.begin() + L,node.begin() + R); res.push_back(cur); } return res; } //suppose that class T has ostream &operator<< void print(int k) { assert(0 <= k && k <= get_log()); int L = 1 << k,R = L << 1; for(int i = L;i < R;i++) { cerr << node[i] << (i + 1 == R ? "\n":" "); } } void print() { int log = get_log(); for(int k = 0;k <= log;k++) { int L = 1 << k,R = L << 1; const string unit((1 << (log - k)) - 1,' '); for(int i = L;i < R;i++) { if(i == L) { cerr << unit; } cerr << node[i]; if(i + 1 < R) { cerr << unit << unit << ' '; } else { cerr << unit; } } cerr << "\n"; } } T prod(int l,int r) { assert(0 <= l && l <= r && r <= N); T L = e(),R = e(); l += size,r += size; while(l < r) { if(l & 1) { L = op(L,node[l++]); } if(r & 1) { R = op(node[--r],R); } l >>= 1,r >>= 1; } return op(L,R); } T prod() { return node[1]; } template<class F> int max_right(int l,F f) { assert(0 <= l && l <= N); assert(f(e())); if(l == N) { return N; } l += size; T val = e(); do { while(!(l & 1)) { l >>= 1; } if(!f(op(val,node[l]))) { while(l < size) { l <<= 1; if(f(op(val,node[l]))) { val = op(val,node[l++]); } } return l - size; } val = op(val,node[l++]); } while((l & -l) != l); return N; } template<class F> int min_left(int r,F f) { assert(0 <= r && r <= N); assert(f(e())); if(r == 0) { return 0; } r += size; T val = e(); do { r--; while(r > 1 && (r & 1)) { r >>= 1; } if(!f(op(node[r],val))) { while(r < size) { r <<= 1; r++; if(f(op(node[r],val))) { val = op(node[r--],val); } } return r + 1 - size; } val = op(node[r],val); } while((r & -r) != r); return 0; } }; long long op(long long a,long long b) { return max(a,b); } long long e() { return -(long long)1e18; } void Main() { int N,M,Q; cin >> N >> M >> Q; vector<int> A(N),B(N); for(int i = 0;i < N;i++) { cin >> A[i] >> B[i]; } auto dfs = [&](auto dfs,int id,const int t,long long m,long long q,long long val,vector<pair<pair<long long,long long>,long long>> &V) -> void { if(id == t) { V.push_back(make_pair(make_pair(m,q),val)); return; } dfs(dfs,id + 1,t,m,q,val,V); dfs(dfs,id + 1,t,m + A[id],q,val + B[id],V); dfs(dfs,id + 1,t,m,q + A[id],val + B[id],V); }; vector<pair<pair<long long,long long>,long long>> S,T; dfs(dfs,0,N / 2,0,0,0,S); dfs(dfs,N / 2,N,0,0,0,T); sort(S.begin(),S.end()); sort(T.begin(),T.end()); vector<long long> comp; for(int i = 0;i < (int)S.size();i++) { comp.push_back(Q - S[i].first.second); } for(int i = 0;i < (int)T.size();i++) { comp.push_back(T[i].first.second); } sort(comp.begin(),comp.end()); comp.erase(unique(comp.begin(),comp.end()),comp.end()); int j = 0; segtree<long long,op,e> seg(comp.size()); long long ans = e(); for(int i = (int)S.size() - 1;i >= 0;i--) { while(j < (int)T.size() && T[j].first.first + S[i].first.first <= M) { int id = lower_bound(comp.begin(),comp.end(),T[j].first.second) - comp.begin(); seg.func_update(id,T[j].second); j++; } int id = lower_bound(comp.begin(),comp.end(),Q - S[i].first.second) - comp.begin(); ans = max(ans,S[i].second + seg.prod(0,id + 1)); } cout << ans << "\n"; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int tt = 1; /* cin >> tt; */ while(tt--) Main(); }