From 8273cf1e8c442c2fc8ec52ca0356dab9aa85974b Mon Sep 17 00:00:00 2001 From: "C. McEnroe" Date: Wed, 4 Dec 2019 01:45:21 -0500 Subject: Solve day 4 part 1 --- 2019/day04.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 2019/day04.c (limited to '2019/day04.c') diff --git a/2019/day04.c b/2019/day04.c new file mode 100644 index 0000000..3c31931 --- /dev/null +++ b/2019/day04.c @@ -0,0 +1,18 @@ +#include +#include +int main(void) { + int min, max; + scanf("%d-%d", &min, &max); + int count = 0; + for (int n = min; n <= max; ++n) { + char str[7]; + snprintf(str, sizeof(str), "%d", n); + int adj = 0, dec = 0; + for (int i = 1; i < 6; ++i) { + if (str[i] == str[i - 1]) adj = 1; + if (str[i] < str[i - 1]) dec = 1; + } + if (adj && !dec) count++; + } + printf("%d\n", count); +} -- cgit 1.4.1
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2021-09-23Hide htop "function bar"June McEnroe
2021-09-23Allow FocusEvents in xtermJune McEnroe
2021-09-23Use NI_NUMERICSERVJune McEnroe
2021-09-23Make up build away from FreeBSDJune McEnroe
2021-09-23Add quickJune McEnroe
2021-09-23Add The HobbitJune McEnroe
2021-09-22Remove PSF fontsJune McEnroe
2021-09-22Remove Linux-specific utilitiesJune McEnroe
2021-09-22Call sandbox in CGI modeJune McEnroe
2021-09-22Support HTTP PUT in upJune McEnroe
2021-09-22Remove default faviconJune McEnroe
2021-09-21Use Z_FILTERED strategyJune McEnroe
2021-09-21Recalculate various lengths only as neededJune McEnroe
2021-09-21Rewrite pngo, add explicit optionsJune McEnroe
2021-09-16Fix /* **/ comment matchingJune McEnroe
2021-09-15Remove typer, add downgrade to READMEJune McEnroe
2021-09-15Set bot mode on downgradeJune McEnroe
2021-09-15Enter capsicum in downgradeJune McEnroe
2021-09-15Factor out common parts of downgrade messagesJune McEnroe
2021-09-14Add downgrade IRC botJune McEnroe
2021-09-14Sort by title if authors matchJune McEnroe
2021-09-13Swap-remove tags as they're foundJune McEnroe
2021-09-12Replace htagml regex with strncmpJune McEnroe
2021-09-11Also defer printing comment for lone close-parensJune McEnroe
2021-09-10Publish "git-comment"June McEnroe
2021-09-10Add git comment --pretty optionJune McEnroe
2021-09-08Defer printing comment if line is blank or closing braceJune McEnroe
2021-09-08Up default min-repeat to 30 linesJune McEnroe
2021-09-08Handle dirty lines in git-commentJune McEnroe
2021-09-08Document and install git-commentJune McEnroe
2021-09-08Add repeat and all options to git-commentJune McEnroe
2021-09-08Add group threshold to git-commentJune McEnroe