{"version":"1.0","type":"rich","title":"problem 002","author_name":"fortran66","provider_name":"Hatena Blog","url":"https://fortran66.hatenablog.com/entry/20121227/1356615710","description":"\u30bd\u30fc\u30b9\u30fb\u30d7\u30ed\u30b0\u30e9\u30e0 program PEuler2 implicit none integer :: ifib0, ifib1, ifib2, isum ifib0 = 1 ifib1 = 2 isum = ifib1 do ifib2 = ifib0 + ifib1 if (ifib2 > 4 * 10**6) exit if (mod(ifib2, 2) == 0) isum = isum + ifib2 ifib0 = ifib1 ifib1 = ifib2 end do print *, isum stop end program PEuler2 \u5b9f\u884c\u7d50\u679c 4613732 \u7d9a\u884c\u3059\u308b\u306b\u306f\u2026","image_url":null,"provider_url":"https://hatena.blog","width":"100%","categories":["ProjectEuler"],"author_url":"https://blog.hatena.ne.jp/fortran66/","blog_url":"https://fortran66.hatenablog.com/","blog_title":"fortran66\u306e\u30d6\u30ed\u30b0","published":"2012-12-27 22:41:50","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffortran66.hatenablog.com%2Fentry%2F20121227%2F1356615710\" title=\"problem 002 - fortran66\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190"}