Submission #728660

#	Time	Username	Problem	Language	Result	Execution time	Memory
728660		NeroZein	Toys (CEOI18_toy)	C++17	19 / 100	155 ms	262144 KiB

toy

#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif

const int N = 10005;

bool dp[20][N][N];

int n;
vector<int> ans; 
void bt (int sz, int s = 1, int sum = 0) {
	if (sz >= 20 || s >= N || sum >= N) {
		cout << "b";
		exit(0); 
	}
	bool& ret = dp[sz][s][sum];
	if (ret) return;
	ret = true;
	if (sz == 0) {
		if (s == n) {
			ans.push_back(sum);
			return;
		}
		return;
	}
	for (int i = 1; i < n; ++i) {
		if (s * (i + 1) > n) break; 
		bt(sz - 1, s * (i + 1), sum + i); 
	}
}

signed main(){
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cin >> n;
	for (int i = 0; (1 << i) <= n; ++i) {
		bt(i);
	}
	sort(ans.begin(), ans.end()); 
	ans.resize(unique(ans.begin(), ans.end()) - ans.begin());
	cout << (int) ans.size() << '\n';
	for (int i : ans) cout << i << ' ';
	return 0;
}

• Subtask 1: 19 / 19
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 21