結果

問題 No.2866 yuusaan's Knapsack
ユーザー ecotteaecottea
提出日時 2024-08-30 21:54:45
言語 C++17(gcc12)
(gcc 12.3.0 + boost 1.87.0)
結果
AC  
実行時間 26 ms / 2,000 ms
コード長 7,038 bytes
コンパイル時間 4,919 ms
コンパイル使用メモリ 274,968 KB
実行使用メモリ 27,392 KB
最終ジャッジ日時 2024-09-26 14:35:40
合計ジャッジ時間 5,415 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
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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 3 ms
5,248 KB
testcase_01 AC 3 ms
5,248 KB
testcase_02 AC 3 ms
5,376 KB
testcase_03 AC 2 ms
5,376 KB
testcase_04 AC 2 ms
5,376 KB
testcase_05 AC 3 ms
5,376 KB
testcase_06 AC 25 ms
26,212 KB
testcase_07 AC 20 ms
21,632 KB
testcase_08 AC 23 ms
24,704 KB
testcase_09 AC 21 ms
23,040 KB
testcase_10 AC 23 ms
24,576 KB
testcase_11 AC 16 ms
18,176 KB
testcase_12 AC 20 ms
22,272 KB
testcase_13 AC 18 ms
19,712 KB
testcase_14 AC 21 ms
22,240 KB
testcase_15 AC 24 ms
24,960 KB
testcase_16 AC 18 ms
19,712 KB
testcase_17 AC 22 ms
23,552 KB
testcase_18 AC 16 ms
17,408 KB
testcase_19 AC 25 ms
26,880 KB
testcase_20 AC 20 ms
21,248 KB
testcase_21 AC 20 ms
22,244 KB
testcase_22 AC 19 ms
21,248 KB
testcase_23 AC 24 ms
25,856 KB
testcase_24 AC 20 ms
20,736 KB
testcase_25 AC 22 ms
23,552 KB
testcase_26 AC 26 ms
27,392 KB
testcase_27 AC 3 ms
5,376 KB
testcase_28 AC 24 ms
22,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#ifndef HIDDEN_IN_VS //
//
#define _CRT_SECURE_NO_WARNINGS
//
#include <bits/stdc++.h>
using namespace std;
//
using ll = long long; using ull = unsigned long long; // -2^63 2^63 = 9e18int -2^31 2^31 = 2e9
using pii = pair<int, int>; using pll = pair<ll, ll>; using pil = pair<int, ll>; using pli = pair<ll, int>;
using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vvvvi = vector<vvvi>;
using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vvvvl = vector<vvvl>;
using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>;
using vc = vector<char>; using vvc = vector<vc>; using vvvc = vector<vvc>;
using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>;
template <class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>;
using Graph = vvi;
//
const double PI = acos(-1);
int DX[4] = { 1, 0, -1, 0 }; // 4
int DY[4] = { 0, 1, 0, -1 };
int INF = 1001001001; ll INFL = 4004004003094073385LL; // (int)INFL = INF, (int)(-INFL) = -INF;
//
struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } fastIOtmp;
//
#define all(a) (a).begin(), (a).end()
#define sz(x) ((int)(x).size())
#define lbpos(a, x) (int)distance((a).begin(), std::lower_bound(all(a), x))
#define ubpos(a, x) (int)distance((a).begin(), std::upper_bound(all(a), x))
#define Yes(b) {cout << ((b) ? "Yes\n" : "No\n");}
#define rep(i, n) for(int i = 0, i##_len = int(n); i < i##_len; ++i) // 0 n-1
#define repi(i, s, t) for(int i = int(s), i##_end = int(t); i <= i##_end; ++i) // s t
#define repir(i, s, t) for(int i = int(s), i##_end = int(t); i >= i##_end; --i) // s t
#define repe(v, a) for(const auto& v : (a)) // a
#define repea(v, a) for(auto& v : (a)) // a
#define repb(set, d) for(int set = 0, set##_ub = 1 << int(d); set < set##_ub; ++set) // d
#define repis(i, set) for(int i = lsb(set), bset##i = set; i < 32; bset##i -= 1 << i, i = lsb(bset##i)) // set
#define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a
#define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} //
#define EXIT(a) {cout << (a) << endl; exit(0);} //
#define inQ(x, y, u, l, d, r) ((u) <= (x) && (l) <= (y) && (x) < (d) && (y) < (r)) //
//
template <class T> inline ll powi(T n, int k) { ll v = 1; rep(i, k) v *= n; return v; }
template <class T> inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // true
    
template <class T> inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // true
    
template <class T> inline T getb(T set, int i) { return (set >> i) & T(1); }
template <class T> inline T smod(T n, T m) { n %= m; if (n < 0) n += m; return n; } // mod
//
template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }
template <class T> inline istream& operator>>(istream& is, vector<T>& v) { repea(x, v) is >> x; return is; }
template <class T> inline vector<T>& operator--(vector<T>& v) { repea(x, v) --x; return v; }
template <class T> inline vector<T>& operator++(vector<T>& v) { repea(x, v) ++x; return v; }
#endif //
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#ifdef _MSC_VER
#include "localACL.hpp"
#endif
//using mint = modint1000000007;
using mint = modint998244353;
//using mint = static_modint<999999937>;
//using mint = modint; // mint::set_mod(m);
namespace atcoder {
inline istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; }
inline ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; }
}
using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; using vvvvm = vector<vvvm>; using pim = pair<int, mint>;
#endif
#ifdef _MSC_VER // Visual Studio
#include "local.hpp"
#else // gcc
inline int popcount(int n) { return __builtin_popcount(n); }
inline int popcount(ll n) { return __builtin_popcountll(n); }
inline int lsb(int n) { return n != 0 ? __builtin_ctz(n) : 32; }
inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : 64; }
template <size_t N> inline int lsb(const bitset<N>& b) { return b._Find_first(); }
inline int msb(int n) { return n != 0 ? (31 - __builtin_clz(n)) : -1; }
inline int msb(ll n) { return n != 0 ? (63 - __builtin_clzll(n)) : -1; }
#define dump(...)
#define dumpel(v)
#define dump_list(v)
#define dump_mat(v)
#define input_from_file(f)
#define output_to_file(f)
#define Assert(b) { if (!(b)) { vc MLE(1<<30); EXIT(MLE.back()); } } // RE MLE
#endif
int main() {
// input_from_file("input.txt");
// output_to_file("output.txt");
int n, W;
cin >> n >> W;
vl v(n); vi w(n);
rep(i, n) cin >> v[i] >> w[i];
vector<pil> wv(n);
rep(i, n) wv[i] = { w[i], v[i] };
sort(all(wv));
rep(i, n) tie(w[i], v[i]) = wv[i];
// dp[i][j] : [0..i) j
int w_max = 10000; int w_min = -10000;
dump(w_max = 30);
dump(w_min = -30);
dump(INFL = 99);
vvl dp(n + 1, vl(w_max + 1 - w_min, -INFL));
dp[0][0 - w_min] = 0;
vvm dp2(n + 1, vm(w_max + 1 - w_min));
dp2[0][0 - w_min] = 1;
// DP
rep(i, n) {
repi(j, w_min, w_max) {
dump(i, j);
// i
if (dp[i + 1][j - w_min] == dp[i][j - w_min]) {
dp2[i + 1][j - w_min] += dp2[i][j - w_min];
}
else if (dp[i + 1][j - w_min] < dp[i][j - w_min]) {
dp[i + 1][j - w_min] = dp[i][j - w_min];
dp2[i + 1][j - w_min] = dp2[i][j - w_min];
}
// i j
if (w_min <= j - w[i] && j - w[i] <= w_max) {
// i
if (dp[i + 1][j - w_min] == dp[i][j - w[i] - w_min] + v[i]) {
dp2[i + 1][j - w_min] += dp2[i][j - w[i] - w_min];
}
else if (dp[i + 1][j - w_min] < dp[i][j - w[i] - w_min] + v[i]) {
dp[i + 1][j - w_min] = dp[i][j - w[i] - w_min] + v[i];
dp2[i + 1][j - w_min] = dp2[i][j - w[i] - w_min];
}
}
}
}
dumpel(dp); dumpel(dp2);
ll v_max = -INFL;
repi(j, w_min, W) chmax(v_max, dp[n][j - w_min]);
mint cnt = 0;
repi(j, w_min, W) if (dp[n][j - w_min] == v_max) cnt += dp2[n][j - w_min];
cout << v_max << " " << cnt << endl;
}
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