Submission #483365

#	Time	Username	Problem	Language	Result	Execution time	Memory
483365		Ozy	Toys (CEOI18_toy)	C++17	0 / 100	0 ms	204 KiB

toy

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define rep(i,a,b) for (lli i = (a); i <= (b); i++)
#define repa(i,a,b) for (int i = (a); i >= (b); i--)
#define debug(a) cout << #a << " = " << a << endl
#define debugsl(a) cout << #a << " = " << a << ", "

lli n,total;
vector<lli> res;

void solve(lli div, lli sum, lli num) {

    for (lli i = div; (i*i) <= num; i++) {

        if (num%i == 0) {
            solve(i,sum+i-1,num/i);
        }

    }

    res.push_back(sum+num-1);

}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n;
    solve(2,0,n);

    sort(res.begin(), res.end());
    total = res.size();
    res.push_back(0);

    rep(i,0,res.size()-2) if (res[i] == res[i+1]) total--;

    cout << total << "\n";
    rep(i,0,res.size()-2) if (res[i] != res[i+1]) cout << res[i] << ' ';
    cout << "\n";
}

Compilation message (stderr)

toy.cpp: In function 'int main()':
toy.cpp:5:40: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define rep(i,a,b) for (lli i = (a); i <= (b); i++)
      |                                        ^
toy.cpp:39:5: note: in expansion of macro 'rep'
   39 |     rep(i,0,res.size()-2) if (res[i] == res[i+1]) total--;
      |     ^~~
toy.cpp:5:40: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define rep(i,a,b) for (lli i = (a); i <= (b); i++)
      |                                        ^
toy.cpp:42:5: note: in expansion of macro 'rep'
   42 |     rep(i,0,res.size()-2) if (res[i] != res[i+1]) cout << res[i] << ' ';
      |     ^~~

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