結果
| 問題 |
No.3076 Goodstuff Deck Builder
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2025-09-09 05:07:53 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,400 bytes |
| コンパイル時間 | 4,164 ms |
| コンパイル使用メモリ | 287,736 KB |
| 実行使用メモリ | 7,716 KB |
| 最終ジャッジ日時 | 2025-09-09 05:08:10 |
| 合計ジャッジ時間 | 6,810 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 25 WA * 11 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
template <class F> class y_combinator {
F f;
public:
y_combinator(F&& f) : f(std::forward<F>(f)) {}
template <class... Args> auto operator()(Args&&... args) const { return f(*this, std::forward<Args>(args)...); }
};
using ll = long long;
using ld = long double;
using u64 = uint64_t;
using vi = vector<int>;
using vl = vector<ll>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
template <class T, class U = std::less<T>> using prique = std::priority_queue<T, std::vector<T>, U>;
inline constexpr int popcnt(u64 x) noexcept { return __builtin_popcountll(x); }
inline ll floor_div(ll a, ll b) noexcept { return a / b - (a % b && (a ^ b) < 0); }
inline ll ceil_div(ll a, ll b) noexcept { return floor_div(a + b - 1, b); }
template <class T> bool chmin(T& x, const T& y) noexcept { return (x > y ? x = y, true : false); }
template <class T> bool chmax(T& x, const T& y) noexcept { return (x < y ? x = y, true : false); }
template <class T> void dedup(std::vector<T>& v) { std::sort(std::begin(v), std::end(v)), v.erase(std::unique(std::begin(v), std::end(v)), std::end(v)); }
template <class F> ll bisect(ll ok, ll ng, const F& f) { while (abs(ok - ng) > 1) { ll mid = (ok + ng) / 2; (f(mid) ? ok : ng) = mid; } return ok; }
template <class F> ld bisect_real(ld ok, ld ng, const F& f, int iter = 80) { while (iter--) { ld mid = (ok + ng) / 2.; (f(mid) ? ok : ng) = mid; } return ok; }
inline void SCAN() {}
template <class H, class... T> inline void SCAN(H& h, T&... t) { std::cin >> h, SCAN(t...); }
#define INT(...) int __VA_ARGS__; SCAN(__VA_ARGS__)
#define LL(...) long long __VA_ARGS__; SCAN(__VA_ARGS__)
#define LD(...) long double __VA_ARGS__; SCAN(__VA_ARGS__)
#define STR(...) std::string __VA_ARGS__; SCAN(__VA_ARGS__)
#define CHAR(...) char __VA_ARGS__; SCAN(__VA_ARGS__)
#define VEC(type, name, size) std::vector<type> name(size); for (int i = 0; i < (int)size; i++) SCAN(name[i]);
#define VV(type, name, h, w) std::vector<std::vector<type>> name(h, std::vector<type>(w)); for (int i = 0; i < (int)h; i++) for (int j = 0; j < (int)w; j++) SCAN(name[i][j]);
#define overload4(a, b, c, d, e, ...) e
#define rep1(a) for (long long _i = 0; _i < (a); _i++)
#define rep2(i, a) for (long long i = 0; i < (a); i++)
#define rep3(i, a, b) for (long long i = (a); i < (b); i++)
#define rep4(i, a, b, c) for (long long i = (a); i < (b); i += (c))
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)
#define rrep(i, a, b, c) for (long long i = (a); i > (b); i += (c))
#define all(x) std::begin(x), std::end(x)
#define rall(x) std::rbegin(x), std::rend(x)
#define len(x) (long long)(size(x))
#define pb push_back
int main() {
std::ios_base::sync_with_stdio(false);
std::cin.tie(nullptr);
INT(N,M);
vector<pair<ll,ll>> G;
ll sum = 0;
rep(i, N) {
INT(c,d);
if(c==0) sum += d;
else {
G.pb({c,d});
}
}
N=G.size();
sort(rall(G));
vector dp(N+1,vector<pair<ll,ll>>(11,{1e18,-1}));
dp[0][0]={0,0};
rep(i, N){
dp[i+1]=dp[i];
rep(j,10) if(dp[i][j].second!=-1) {
ll cst=dp[i][j].first+(G[i].first<<j);
if(cst<=M) {
chmin(dp[i+1][j+1].first,cst);
chmax(dp[i+1][j+1].second,dp[i][j].second+G[i].second);
}
}
}
// rep(i,11)cout <<dp[N][i].first << " " << dp[N][i].second << "\n";
ll ans = 0;
rep(i,11)if(dp[N][i].first<=M)chmax(ans,dp[N][i].second+sum);
cout<<ans<<"\n";
}