moistx https://blog.hatena.ne.jp/moistx/ Logfiles https://logfiles.hatenablog.com/ UVa 問題 完全数かどうかを判定する問題。AOJ にも AtCoder Beginner Contest にもほぼ同じ問題がある。 #include <cstdio> using namespace std; int main() { int N; puts("PERFECTION OUTPUT"); while(scanf("%d", &N) && N) { printf("%5d ", N); int sum = 0; for(int i=1; i*i<N; i++) { if(N % i == 0) { sum += i; sum += N/i; } } sum -= N; if(sum < … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Flogfiles.hatenablog.com%2Fentry%2F20140902%2F1409668996" title="UVa382 Perfection - Logfiles" 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 2014-09-02 23:43:16 rich https://logfiles.hatenablog.com/entry/20140902/1409668996 1.0 100%