結果

問題 No.974 最後の日までに
ユーザー 👑 AngrySadEight
提出日時 2025-01-08 16:10:49
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 103 ms / 2,000 ms
コード長 6,008 bytes
コンパイル時間 2,064 ms
コンパイル使用メモリ 138,004 KB
実行使用メモリ 14,788 KB
最終ジャッジ日時 2025-01-08 16:10:56
合計ジャッジ時間 7,206 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 49
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 <algorithm>
// #include <atcoder/all>
#include <bitset>
#include <cassert>
#include <cmath>
#include <ctime>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using namespace std;
// using namespace atcoder;
typedef long long ll;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--)
#define repk(i, k, n) for (int i = k; i < (int)(n); i++)
#define all(v) v.begin(), v.end()
#define mod1 1000000007
#define mod2 998244353
#define mod3 100000007
#define vi vector<int>
#define vs vector<string>
#define vc vector<char>
#define vl vector<ll>
#define vb vector<bool>
#define vvi vector<vector<int>>
#define vvc vector<vector<char>>
#define vvl vector<vector<ll>>
#define vvb vector<vector<bool>>
#define vvvi vector<vector<vector<int>>>
#define vvvl vector<vector<vector<ll>>>
#define pii pair<int, int>
#define pil pair<int, ll>
#define pli pair<ll, int>
#define pll pair<ll, ll>
#define vpii vector<pair<int, int>>
#define vpll vector<pair<ll, ll>>
#define vvpii vector<vector<pair<int, int>>>
#define vvpll vector<vector<pair<ll, ll>>>
// using mint = modint998244353;
template <typename T>
void debug(T e) {
cerr << e << endl;
}
template <typename T>
void debug(vector<T> &v) {
rep(i, v.size()) { cerr << v[i] << " "; }
cerr << endl;
}
template <typename T>
void debug(vector<vector<T>> &v) {
rep(i, v.size()) {
rep(j, v[i].size()) { cerr << v[i][j] << " "; }
cerr << endl;
}
}
template <typename T>
void debug(vector<pair<T, T>> &v) {
rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; }
}
template <typename T>
void debug(set<T> &st) {
for (auto itr = st.begin(); itr != st.end(); itr++) {
cerr << *itr << " ";
}
cerr << endl;
}
template <typename T>
void debug(multiset<T> &ms) {
for (auto itr = ms.begin(); itr != ms.end(); itr++) {
cerr << *itr << " ";
}
cerr << endl;
}
template <typename T>
void debug(map<T, T> &mp) {
for (auto itr = mp.begin(); itr != mp.end(); itr++) {
cerr << itr->first << " " << itr->second << endl;
}
}
void debug_out() { cerr << endl; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
cerr << H << " ";
debug_out(T...);
}
void dfs(ll last, vector<ll> &a, vector<ll> &b, vector<ll> &c,
vector<vector<pll>> &p, ll now_idx, ll like, ll money) {
if (now_idx == a.size()) {
p[last].push_back(pll(money, like));
return;
}
if (last == 0) {
dfs(2, a, b, c, p, now_idx + 1, like + b[now_idx], money - c[now_idx]);
} else {
dfs(0, a, b, c, p, now_idx + 1, like, money);
dfs(1, a, b, c, p, now_idx + 1, like, money + a[now_idx]);
}
}
int main() {
ll W;
cin >> W;
vector<ll> a(W);
vector<ll> b(W);
vector<ll> c(W);
for (ll i = 0; i < W; i++) {
cin >> a[i] >> b[i] >> c[i];
}
vector<vector<pll>> former_p(3, vector<pll>(0));
if (W <= 28) {
dfs(-1, a, b, c, former_p, 0, 0, 0);
ll ans = 0;
for (ll i = 0; i < 3; i++) {
for (ll j = 0; j < former_p[i].size(); j++) {
if (former_p[i][j].first >= 0) {
ans = max(ans, former_p[i][j].second);
}
}
}
cout << ans << endl;
} else {
vector<ll> af(0);
vector<ll> bf(0);
vector<ll> cf(0);
for (ll i = 0; i < W / 2; i++) {
af.push_back(a[i]);
bf.push_back(b[i]);
cf.push_back(c[i]);
}
dfs(-1, af, bf, cf, former_p, 0, 0, 0);
vector<vector<pll>> ordered_fp(3, vector<pll>(0));
for (ll i = 0; i < 3; i++) {
sort(all(former_p[i]));
ll len = former_p[i].size();
ordered_fp[i].push_back(former_p[i][len - 1]);
ll prev_like = former_p[i][len - 1].second;
for (ll j = len - 2; j >= 0; j--) {
if (prev_like < former_p[i][j].second) {
ordered_fp[i].push_back(former_p[i][j]);
prev_like = former_p[i][j].second;
}
}
reverse(all(ordered_fp[i]));
// debug(ordered_fp[i]);
// cout << endl;
}
vector<ll> al(0);
vector<ll> bl(0);
vector<ll> cl(0);
for (ll i = W / 2; i < W; i++) {
al.push_back(a[i]);
bl.push_back(b[i]);
cl.push_back(c[i]);
}
ll ans = 0;
for (ll i = 0; i < 3; i++) {
vector<vector<pll>> latter_p(3, vector<pll>(0));
if (i == 0) {
dfs(0, al, bl, cl, latter_p, 1, 0, 0);
} else if (i == 1) {
dfs(1, al, bl, cl, latter_p, 1, 0, al[0]);
} else {
dfs(2, al, bl, cl, latter_p, 1, bl[0], -cl[0]);
}
for (ll j = 0; j < 3; j++) {
if (j == 0) {
if (i == 0 || i == 1) {
continue;
}
} else {
if (i == 2) {
continue;
}
}
for (ll k = 0; k < 3; k++) {
for (ll l = 0; l < latter_p[k].size(); l++) {
auto itr =
lower_bound(all(ordered_fp[j]),
make_pair(-latter_p[k][l].first, 0LL));
if (itr != ordered_fp[j].end()) {
ans =
max(ans, latter_p[k][l].second + (*itr).second);
}
}
}
}
}
cout << ans << endl;
}
}
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