Submission #585016

#	Time	Username	Problem	Language	Result	Execution time	Memory
585016		hibiki	Toys (CEOI18_toy)	C++11	100 / 100	1990 ms	86640 KiB

toy

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

#define pb push_back
#define sz(x) (int)x.size()

int n;
map<int, set<int> > mp;

void find(int nw)
{
    if(mp.count(nw))
        return ;
    mp[nw].insert(nw - 1);
    for(int j = 2; j * j <= nw; j++)
    {
        if(nw % j == 0)
        {
            int a = j;
            int b = nw / j;
            find(a);
            for(auto _: mp[a])
                mp[nw].insert(b - 1 + _);
            find(b);
            for(auto _: mp[b])
                mp[nw].insert(a - 1 + _);
        }
    }
    // printf("%d\n",nw);
    // for(auto _: mp[nw])
    //     printf("%d ",_);
    // printf("\n");
}

int main()
{
    mp[1].insert(0);
    mp[2].insert(1);
    scanf("%d",&n);
    find(n);
    printf("%d\n",sz(mp[n]));
    for(auto _: mp[n])
        printf("%d ",_);
    printf("\n");
    return 0;
}

Compilation message (stderr)

toy.cpp: In function 'int main()':
toy.cpp:39:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~

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