From 6596b48113ced669b206d2e1f1e8ba6edcba88a2 Mon Sep 17 00:00:00 2001 From: Orangerot Date: Sat, 17 Dec 2022 01:16:18 +0100 Subject: adv2022 first 8 days --- 2022/day06/input2.txt | 1 + 2022/day06/main | Bin 0 -> 20704 bytes 2022/day06/main.c | 26 ++++++++++++++++++++++++++ 2022/day06/main2.c | 26 ++++++++++++++++++++++++++ 4 files changed, 53 insertions(+) create mode 100644 2022/day06/input2.txt create mode 100755 2022/day06/main create mode 100644 2022/day06/main.c create mode 100644 2022/day06/main2.c (limited to '2022/day06') diff --git a/2022/day06/input2.txt b/2022/day06/input2.txt new file mode 100644 index 0000000..19a271d --- /dev/null +++ b/2022/day06/input2.txt @@ -0,0 +1 @@ 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diff --git a/2022/day06/main b/2022/day06/main new file mode 100755 index 0000000..9963238 Binary files /dev/null and b/2022/day06/main differ diff --git a/2022/day06/main.c b/2022/day06/main.c new file mode 100644 index 0000000..5b96fb9 --- /dev/null +++ b/2022/day06/main.c @@ -0,0 +1,26 @@ +#include +#include + +int main() +{ + char *line = 0; + size_t len; + ssize_t nlen = getline(&line, &len, stdin); + int distinctChars = 4; + for (int i = distinctChars -1; i < nlen; i++) + { + int isTwoEqual = 0; + for (int ii = 0; ii < distinctChars; ii++) + { + for (int iii = 0; iii < distinctChars; iii++) + { + if (ii == iii) continue; + isTwoEqual |= (line[i-ii] == line[i-iii]); + } + } + if ( !isTwoEqual ) { + printf("%d\n", i+1); + return 0; + } + } +} diff --git a/2022/day06/main2.c b/2022/day06/main2.c new file mode 100644 index 0000000..3ab3786 --- /dev/null +++ b/2022/day06/main2.c @@ -0,0 +1,26 @@ +#include +#include + +int main() +{ + char *line = 0; + size_t len; + ssize_t nlen = getline(&line, &len, stdin); + int distinctChars = 14; + for (int i = distinctChars -1; i < nlen; i++) + { + int isTwoEqual = 0; + for (int ii = 0; ii < distinctChars; ii++) + { + for (int iii = 0; iii < distinctChars; iii++) + { + if (ii == iii) continue; + isTwoEqual |= (line[i-ii] == line[i-iii]); + } + } + if ( !isTwoEqual ) { + printf("%d\n", i+1); + return 0; + } + } +} -- cgit v1.2.3