제출 #619667

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
619667		Baray	Toys (CEOI18_toy)	C++17	컴파일 에러	0 ms	0 KiB

toy

#include<iostream>
#include<vector>

using namespace std;

#define pb push_back

int n;
vector<int> divisors;

int main() {
    cin >> n;

    for (int i = 1; i * i <= n; i++) {
        if (!(n % i))
            divisors.pb(i); if (i * i != n) divisors.pb(n / i);
    }

    sort(divisors.begin(), divisors.end());
    
    vector<vector<int> > v(divisors.size());

    v[0].pb(0);

    for (int i = 1; i < divisors.size(); i++) {
        for (int j = 0; j < i; j++) {
            if (!(divisors[i] % divisors[j])) {
                for (int x = 0; x < v[j].size(); x++) {
                    v[i].pb(v[j][x] + divisors[i] / divisors[j] - 1);
                }
            }
        }

        sort(v[i].begin(), v[i].end());
        v[i].resize(unique(v[i].begin(), v[i].end()) - v[i].begin());
    }

    cout << v.back().size() << "\n";
    for (int i = 0; i < v.back().size(); i++) {
        cout << v.back()[i] << " ";
    }
}

컴파일 시 표준 에러 (stderr) 메시지

toy.cpp: In function 'int main()':
toy.cpp:15:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   15 |         if (!(n % i))
      |         ^~
toy.cpp:16:29: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   16 |             divisors.pb(i); if (i * i != n) divisors.pb(n / i);
      |                             ^~
toy.cpp:19:5: error: 'sort' was not declared in this scope; did you mean 'qsort'?
   19 |     sort(divisors.begin(), divisors.end());
      |     ^~~~
      |     qsort
toy.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for (int i = 1; i < divisors.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~~~
toy.cpp:28:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |                 for (int x = 0; x < v[j].size(); x++) {
      |                                 ~~^~~~~~~~~~~~~
toy.cpp:35:21: error: 'unique' was not declared in this scope
   35 |         v[i].resize(unique(v[i].begin(), v[i].end()) - v[i].begin());
      |                     ^~~~~~
toy.cpp:39:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     for (int i = 0; i < v.back().size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~~~