chiwawa_star https://blog.hatena.ne.jp/chiwawa_star/ C++競プロ学習日記(仮) https://chiwawa-star.hatenablog.com/ 競プロ yukicoder www.adventar.orgAdvent Calendar Contest Advent Calendar 2015の問題で ★1があったので解けそう！！って思って解いてみました↓ #include<iostream> using namespace std; int main(){ long long int n,count=0; cin >> n; for(long long int i=1; i<n+1; i++){ if(i%15==0){ count+=4; }else if(i%5==0 || i%3==0){ count+=2; } } cout << count << en… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fchiwawa-star.hatenablog.com%2Fentry%2F2015%2F12%2F07%2F230959" title="No.311 z in FizzBuzzString / yukicoder - 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 2015-12-07 23:09:59 rich https://chiwawa-star.hatenablog.com/entry/2015/12/07/230959 1.0 100%