# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
1253902 | chr34 | 축제 (IOI25_festival) | C++20 | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define endl "\n"
#define dbg(x) cout << #x << " = " << (x) << endl;
//const int INF = 1e18;
const int MAXN = 1e6 + 10;
const int MOD = 1e9 + 7;
int cnt = 0;
vector<int> best_path;
void dfs(int a, vector<bool> &used, vector<int> p, vector<int> t, vector<int> &path){
bool progressed = false;
int n = p.size();
for(int i = 0; i < n; ++i){
if(!used[i] && a >= p[i]){
int new_a = (a - p[i]) * t[i];
used[i] = true;
path.push_back(i);
dfs(new_a, used, p, t, path);
path.pop_back();
used[i] = false;
progressed = true;
}
}
if(!progressed){
if((int)path.size() > cnt){
cnt = path.size();
best_path = path;
}
}
}
vector<int> max_coupons(int a, vector<int> p, vector<int> t){
int n = p.size();
cnt = 0;
best_path.clear();
vector<int> path;
vector<bool> used(n);
dfs(a, used, p, t, path);
return best_path;
}
int32_t main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
//freopen("input.in", "r", stdin);
//freopen("input.out", "w", stdout);
vector<int> ans = max_coupons(13, {4, 500, 8, 14}, {1, 1, 1, 1});
for(auto x : ans) cout<<x<<endl;
return 0;
}