Submission #112394

#	Time	Username	Problem	Language	Result	Execution time	Memory
112394		reda	Toys (CEOI18_toy)	C++14	0 / 100	7 ms	5120 KiB

toy

#include <bits/stdc++.h>
#define MAXN 100005
using namespace std;
set<int> dp[MAXN];
set<int> summerg(set<int> S,set<int> T)
{
    set<int> ans;
    for(auto a : S)
        for(auto b : T)
            ans.insert(a+b);
    return ans;
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    for(int i = 2; i <= n; i++)
        {
            for(int j = 2; j*j <= i; j++)
            {
                if(i % j == 0)
                {
                    auto x = summerg(dp[j],dp[i / j]);
                    dp[i].insert(x.begin(),x.end());
                }
            }
                dp[i].insert(i-1);
        }
    cout<<dp[n].size()<<endl;
    for(auto x:dp[n])
        cout<<x<< ' ';
    return 0;
}

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