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optimize for dumb pr

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This commit is contained in:
Adam Jeniski 2025-12-13 19:55:55 -10:00
parent d32acd64fd
commit 90de771f84
1 changed files with 3 additions and 3 deletions
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6
src/day3.cpp
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@ -26,14 +26,14 @@ char get_max_char(std::string_view s) {
} }
int64_t solve(const std::string_view line, size_t cnt_to_activate) { int64_t solve(const std::string_view line, size_t cnt_to_activate) {
const auto search{line.substr(0, line.size() - cnt_to_activate + 1)}; const std::string_view search{line.substr(0, line.size() - cnt_to_activate + 1)};
const char max_char{get_max_char(search)}, null_terminator{'\0'}; const char max_char{get_max_char(search)}, null_terminator{'\0'};
const auto max_char_idx{search.find(&max_char, 0)}; const size_t max_char_idx{search.find(&max_char, 0)};
const int64_t max_char_as_int = max_char - '0'; const int64_t max_char_as_int = max_char - '0';
if (cnt_to_activate == 1) { if (cnt_to_activate == 1) {
return max_char_as_int; return max_char_as_int;
} }
const auto recur{solve(line.substr(max_char_idx + 1), cnt_to_activate - 1)}; const int64_t recur{solve(line.substr(max_char_idx + 1), cnt_to_activate - 1)};
// slightly hacky... integral concat better? // slightly hacky... integral concat better?
return std::stoll(std::string(&max_char) + std::to_string(recur)); return std::stoll(std::string(&max_char) + std::to_string(recur));
} }