Submission #223106

#	Time	Username	Problem	Language	Result	Execution time	Memory
223106		MKopchev	Toys (CEOI18_toy)	C++14	100 / 100	3907 ms	90496 KiB

toy

#include<bits/stdc++.h>
using namespace std;
map<int, set<int> > seen;

set<int> rec(int n)
{
    if(seen.count(n))return seen[n];

    set<int> ret={n-1};//use one type

    for(int i=2;i*i<=n;i++)
        if(n%i==0)
        {
            for(auto k:rec(n/i))
            {
                ret.insert(k+i-1);
            }
        }
    seen[n]=ret;
    return ret;
}
int main()
{
    int n;
    scanf("%i",&n);

    set<int> output=rec(n);

    printf("%i\n",output.size());
    for(auto k:output)
    {
        printf("%i",k);
        if(k!=n-1)printf(" ");
    }
    printf("\n");
    return 0;
}

Compilation message (stderr)

toy.cpp: In function 'int main()':
toy.cpp:29:32: warning: format '%i' expects argument of type 'int', but argument 2 has type 'std::set<int>::size_type {aka long unsigned int}' [-Wformat=]
     printf("%i\n",output.size());
                   ~~~~~~~~~~~~~^
toy.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%i",&n);
     ~~~~~^~~~~~~~~

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