chiwawa_star https://blog.hatena.ne.jp/chiwawa_star/ C++競プロ学習日記(仮) https://chiwawa-star.hatenablog.com/ C++ 約数 #include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; vector<int> v; for( int i = 1; i <= N; i++ ) { if( N % i == 0 ) { v.emplace_back( i ); } } for( auto &x : v ) { cout << x << " "; } cout << endl; cout << "count : " << v.size() << endl; return 0; } INPUT 100 OUTPUT 1 2 4 5 1… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fchiwawa-star.hatenablog.com%2Fentry%2F2019%2F05%2F08%2F032140" title="約数列挙｜C++ - C++競プロ学習日記(仮)" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2019-05-08 03:21:40 rich https://chiwawa-star.hatenablog.com/entry/2019/05/08/032140 1.0 100%