Submission #1000154

#	Time	Username	Problem	Language	Result	Execution time	Memory
1000154		daffuwu	Toys (CEOI18_toy)	C++14	19 / 100	1 ms	348 KiB

toy

#include <bits/stdc++.h>
using namespace std;
#define fr first
#define sc second
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

int n, tmp, cur;
vector<pair<int, vector<int> > > vc;

void process(int dv)
{
    int i;
    vc.push_back({dv, {}});
    for (cur=1, i=vc.size()-1; i>=1; i--)
    {
        cur *= vc[i].fr;
        for (auto x:vc[i-1].sc)
        {
            vc.back().sc.push_back(x+cur-1);
        }
    }
    cur *= vc[0].fr;
    vc.back().sc.push_back(cur-1);
}

int main() 
{
    int i, j;
    scanf("%d", &n);
    for (i=2, tmp=n; i*i<=n; i++)
    {
        for (; tmp%i == 0; tmp/=i) process(i);
    }
    if (tmp>1) process(tmp);
    if (n == 1) vc.push_back({0, {0}});
    sort(vc.back().sc.begin(), vc.back().sc.end());
    vc.back().sc.resize(unique(vc.back().sc.begin(), vc.back().sc.end())-vc.back().sc.begin());
    printf("%d\n", (int)vc.back().sc.size());
    for (auto x:vc.back().sc) printf("%d ", x);
    printf("\n");    
}

Compilation message (stderr)

toy.cpp: In function 'int main()':
toy.cpp:28:12: warning: unused variable 'j' [-Wunused-variable]
   28 |     int i, j;
      |            ^
toy.cpp:29:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~

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