結果
| 問題 | No.2866 yuusaan's Knapsack |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-08-30 22:29:09 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,443 bytes |
| 記録 | |
| コンパイル時間 | 3,237 ms |
| コンパイル使用メモリ | 261,392 KB |
| 実行使用メモリ | 7,168 KB |
| 最終ジャッジ日時 | 2024-08-30 22:29:23 |
| 合計ジャッジ時間 | 13,157 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 23 WA * 1 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#include <atcoder/modint>
using namespace atcoder;
#ifdef DEFINED_ONLY_IN_LOCAL
#include <dump.hpp>
#define dump(...) cpp_dump(__VA_ARGS__)
#else
#undef dump
#define dump(...)
#endif
#define rep1(i, a) for (int i = 0; i < (int)(a); i++)
#define rep2(i, a, b) for (int i = (int)(a); i < (int)(b); i++)
#define rep3(i, a, b, c) for (int i = (int)(a); i < (int)(b); i += (int)(c))
#define overloadRep(a, b, c, d, e, ...) e
#define rep(...) overloadRep(__VA_ARGS__, rep3, rep2, rep1)(__VA_ARGS__)
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
using ll = long long;
using ull = unsigned long long;
const int inf = 1e9;
const ll INF = 1e18;
const int dx[4] = {0, 1, 0, -1};
const int dy[4] = {1, 0, -1, 0};
const int ddx[8] = {1, 0, -1, 0, 1, -1, 1, -1};
const int ddy[8] = {0, 1, 0, -1, 1, -1, -1, 1};
struct cincout {cincout() {ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15);}} init;
template <class T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return true;} return false;}
template <class T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return true;} return false;}
template <class T1, class T2> istream& operator>>(istream& is, pair<T1, T2>& p) {is >> p.first >> p.second; return is;}
template <class T1, class T2> ostream& operator<<(ostream& os, const pair<T1, T2>& p) {os << p.first << " " << p.second << '\n'; return os;}
template <class T> istream& operator>>(istream& is, vector<T>& v) {for (T& in : v) {is >> in;} return is;}
template <class T> ostream& operator<<(ostream& os, const vector<T>& v) {rep(i, (int)v.size()) {os << v[i] << " \n"[i + 1 == (int)v.size()];} return os;}
template <class T> istream& operator>>(istream& is, vector<vector<T>>& vv) {for (vector<T>& v : vv) {is >> v;} return is;}
template <class T> ostream& operator<<(ostream& os, vector<vector<T>>& vv) {for (vector<T>& v : vv) {os << v;} return os;}
inline bool bit(ll x, int p) {return (x >> p) & 1;}
inline bool out(int ni, int nj, int h, int w) {return (ni < 0 or ni >= h or nj < 0 or nj >= w);}
inline int pc(ll x) {return __builtin_popcountll(x);}
template <class T> inline T max(vector<T> x) {return *max_element(x.begin(), x.end());}
template <class T> inline T min(vector<T> x) {return *min_element(x.begin(), x.end());}
template <class T> inline T sum(vector<T> x) {return reduce(x.begin(), x.end());}
using mint = modint998244353;
using P = pair<int, mint>;
using T = tuple<int, int, int>;
int main() {
int n, W;
cin >> n >> W;
vector<int> v(n), w(n);
rep(i, n) cin >> v[i] >> w[i];
map<int, P> dp;
int M = 1e4;
for (int i = -M; i <= W + M; i++) dp[i].first = -inf;
dp[0] = P(0, 1);
rep(i, n) {
auto p = dp;
swap(p, dp);
for (auto& [key, val] : p) {
if (key + w[i] >= -M and key + w[i] <= W + M) {
if (chmax(dp[key + w[i]].first, val.first + v[i])) {
dp[key + w[i]].second = val.second;
} else if (dp[key + w[i]].first == val.first + v[i]) {
dp[key + w[i]].second += val.second;
}
}
}
}
int mx = 0;
for (auto [key, val] : dp) {
if (key <= W) chmax(mx, val.first);
}
mint ans;
for (auto [key, val] : dp) {
if (val.first == mx) ans += val.second;
}
cout << mx << " " << ans.val() << endl;
return 0;
}