結果

問題 No.1872 Dictionary Order
ユーザー kaikeykaikey
提出日時 2022-03-11 22:51:07
言語 C++17(gcc12)
(gcc 12.3.0 + boost 1.87.0)
結果
AC  
実行時間 32 ms / 2,000 ms
コード長 4,293 bytes
コンパイル時間 2,341 ms
コンパイル使用メモリ 214,332 KB
実行使用メモリ 34,688 KB
最終ジャッジ日時 2024-09-19 08:43:07
合計ジャッジ時間 3,548 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
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ファイルパターン 結果
other AC * 35
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

#include "bits/stdc++.h"
#include <random>
#include <chrono>
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define ALL(x) (x).begin(), (x).end()
#define RALL(x) (x).rbegin(), (x).rend()
#define SZ(x) ((lint)(x).size())
#define FOR(i, begin, end) for(lint i=(begin),i##_end_=(end);i<i##_end_;++i)
#define IFOR(i, begin, end) for(lint i=(end)-1,i##_begin_=(begin);i>=i##_begin_;--i)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
#define endk '\n'
using namespace std; typedef unsigned long long _ulong; typedef long long int lint; typedef long double ld; typedef pair<lint, lint> plint; typedef
    pair<ld, ld> pld;
struct fast_ios { fast_ios() { cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(10); }; } fast_ios_;
template<class T> auto add = [](T a, T b) -> T { return a + b; };
template<class T> auto mul = [](T a, T b) -> T { return a * b; };
template<class T> auto f_max = [](T a, T b) -> T { return max(a, b); };
template<class T> auto f_min = [](T a, T b) -> T { return min(a, b); };
template<class T> using V = vector<T>;
using Vl = V<lint>; using VVl = V<Vl>; using VVVl = V<V<Vl>>;
template< typename T > ostream& operator<<(ostream& os, const vector< T >& v) {
for (int i = 0; i < (int)v.size(); i++) os << v[i] << (i + 1 != v.size() ? " " : "");
return os;
}
template< typename T >istream& operator>>(istream& is, vector< T >& v) {
for (T& in : v) is >> in;
return is;
}
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; }
template <class T>
T div_floor(T a, T b) {
if (b < 0) a *= -1, b *= -1;
return a >= 0 ? a / b : (a + 1) / b - 1;
}
template <class T>
T div_ceil(T a, T b) {
if (b < 0) a *= -1, b *= -1;
return a > 0 ? (a - 1) / b + 1 : a / b;
}
template <class F> struct rec {
F f;
rec(F&& f_) : f(std::forward<F>(f_)) {}
template <class... Args> auto operator()(Args &&... args) const {
return f(*this, std::forward<Args>(args)...);
}
};
lint gcd(lint a, lint b) { if (b == 0) return a; else return gcd(b, a % b); }
lint digit(lint a) { return (lint)log10(a); }
lint e_dist(plint a, plint b) { return abs(a.first - b.first) * abs(a.first - b.first) + abs(a.second - b.second) * abs(a.second - b.second); }
lint m_dist(plint a, plint b) { return abs(a.first - b.first) + abs(a.second - b.second); }
bool check_overflow(lint a, lint b, lint limit) { if (b == 0) return false; return a >= limit / b; } // a * b > c => true
void Worshall_Floyd(VVl& g) { REP(k, SZ(g)) REP(i, SZ(g)) REP(j, SZ(g)) chmin(g[i][j], g[i][k] + g[k][j]); }
const lint MOD1000000007 = 1000000007, MOD998244353 = 998244353, INF = 2e18;
lint dx[8] = { 0, -1, 0, 1, 1, -1, 1, -1 }, dy[8] = { -1, 0, 1, 0, -1, -1, 1, 1 };
bool YN(bool flag) { cout << (flag ? "YES" : "NO") << endk; return flag; } bool yn(bool flag) { cout << (flag ? "Yes" : "No") << endk; return flag; }
struct Edge {
lint from, to;
lint cost;
Edge() {
}
Edge(lint u, lint v, lint c) {
cost = c;
from = u;
to = v;
}
bool operator<(const Edge& e) const {
return cost < e.cost;
}
};
struct WeightedEdge {
lint to;
lint cost;
WeightedEdge(lint v, lint c = 1) {
to = v;
cost = c;
}
bool operator<(const WeightedEdge& e) const {
return cost < e.cost;
}
};
using WeightedGraph = V<V<WeightedEdge>>;
typedef pair<plint, lint> tlint;
typedef pair<ld, ld> pld;
typedef pair<plint, plint> qlint;
typedef pair<string, lint> valstr;
typedef pair<Vl, lint> valv;
int main() {
lint N, M;
cin >> N >> M;
Vl arr(N), _arr(N);
cin >> arr >> _arr;
Vl rev(N);
reverse(ALL(arr));
reverse(ALL(_arr));
REP(i, N) rev[_arr[i] - 1] = i;
VVl dp(N + 1, Vl(M + 1));
dp[0][0] = 1;
REP(i, N) {
REP(j, M + 1) {
if (!dp[i][j]) continue;
dp[i + 1][j] = 1;
if (j + arr[i] > M) continue;
dp[i + 1][j + arr[i]] = 1;
}
}
if (!dp[N][M]) {
cout << -1 << endk;
return 0;
}
Vl ans;
lint minv = N, sum = M;
while (sum != 0) {
REP(i, N) {
if (minv <= rev[i]) continue;
if (sum - arr[rev[i]] >= 0 && dp[rev[i] + 1][sum] && dp[rev[i]][sum - arr[rev[i]]]) {
ans.push_back(N - rev[i]);
sum -= arr[rev[i]];
minv = rev[i];
break;
}
}
}
cout << SZ(ans) << endk;
cout << ans << endk;
}
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