Submission #217927

#	Time	Username	Problem	Language	Result	Execution time	Memory
217927		DystoriaX	Toys (CEOI18_toy)	C++14	100 / 100	2943 ms	86904 KiB

toy

#include <bits/stdc++.h>

using namespace std;

int n;
vector<int> factor;
vector<set<int> > v;

int main(){
    scanf("%d", &n);

    for(int i = 1; i * i <= n; i++){
        if(n % i == 0){
            factor.emplace_back(i);
            if(i * i != n) factor.emplace_back(n / i);
        }
    }

    sort(factor.begin(), factor.end());
    v.resize(factor.size());

    for(int i = 0; i < (int) factor.size(); i++) v[i].insert(factor[i] - 1);

    for(int i = 0; i < (int) factor.size(); i++){
        for(int j = 0; j < i; j++){
            if(factor[i] % factor[j] == 0){
                for(auto &k : v[j])
                    v[i].insert(k + (factor[i] / factor[j]) - 1);
            }
        }
    }

    printf("%d\n", (int) v.back().size());
    for(auto k : v.back()) printf("%d ", k);
    printf("\n");
    
    return 0;
}

Compilation message (stderr)

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

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