結果

問題 No.2386 Udon Coupon (Easy)
ユーザー AnchorBlues
提出日時 2023-09-25 17:05:45
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 656 ms / 2,000 ms
コード長 1,826 bytes
コンパイル時間 1,663 ms
コンパイル使用メモリ 192,720 KB
最終ジャッジ日時 2025-02-17 02:21:36
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 37
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>
using namespace std;
using ll = long long;
template <typename T>
using min_priority_queue = priority_queue<T, vector<T>, greater<T>>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using Graph = vector<vector<int>>;
const ll INF = 1LL << 60;
template <class T>
void chmax(T& a, T b) {
if (b > a) a = b;
}
template <class T>
void chmin(T& a, T b) {
if (b < a) a = b;
}
template <typename T, typename S>
std::ostream& operator<<(std::ostream& os, const pair<T, S>& x) noexcept {
return os << "(" << x.first << ", " << x.second << ")";
}
template <typename T>
void print_vector(vector<T> a) {
cout << '[';
for (int i = 0; i < a.size(); i++) {
cout << a[i];
if (i != a.size() - 1) {
cout << ", ";
}
}
cout << ']' << endl;
}
void solve() {
ll N, A, B, C;
cin >> N;
ll nA = 3;
ll nB = 5;
ll nC = 10;
cin >> A >> B >> C;
ll ret = 0;
for (int ic = 0; ic <= N / nC; ic++) {
ll vc = C * ic;
for (int ib = 0; ib <= N / nB; ib++) {
ll n_fuda_BC = nC * ic + nB * ib;
if (n_fuda_BC > N) break;
ll vb = B * ib;
ll ia = (N - n_fuda_BC) / nA;
ll va = A * ia;
chmax(ret, va + vb + vc);
}
}
std::cout << ret << "\n";
// if (C * nA > A * nC && C * nB > B * nC) {
// ll m = N / nC;
// ret += m * C;
// N -= nC * m;
// }
// if (B * nA > A * nB) {
// ll m = N / nB;
// ret += m * B;
// N -= nB * m;
// }
// ll m = N / nA;
// ret += m * A;
// N -= nA * m;
// std::cout << ret << "\n";
}
int main() {
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int T = 1;
while (T--) {
solve();
}
return 0;
}
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