ports/tcc/build.sh

@@ -18,7 +18,6 @@ configure() {
 }
 
 build() {
-	touch $BANAN_SYSROOT/usr/include/sys/ucontext.h
 	make -j$(nproc) cross-$BANAN_ARCH $BANAN_ARCH-libtcc1-usegcc=yes || exit 1
 }
 

userspace/aoc2024/CMakeLists.txt

@@ -6,7 +6,6 @@ set(AOC2024_PROJECTS
 	day5
 	day6
 	day7
-	day8
 	full
 )
 

userspace/aoc2024/day8/CMakeLists.txt

@@ -1,9 +0,0 @@
-set(SOURCES
-	main.cpp
-)
-
-add_executable(aoc2024_day8 ${SOURCES})
-banan_include_headers(aoc2024_day8 ban)
-banan_link_library(aoc2024_day8 libc)
-
-install(TARGETS aoc2024_day8 OPTIONAL)

userspace/aoc2024/day8/main.cpp

@@ -1,166 +0,0 @@
-#include <BAN/HashSet.h>
-#include <BAN/Vector.h>
-
-#include <inttypes.h>
-#include <stdio.h>
-
-using i8  = int8_t;
-using i16 = int16_t;
-using i32 = int32_t;
-using i64 = int64_t;
-
-using u8  = uint8_t;
-using u16 = uint16_t;
-using u32 = uint32_t;
-using u64 = uint64_t;
-
-struct Position
-{
-	u32 x, y;
-
-	constexpr bool operator==(const Position& other) const
-	{
-		return x == other.x && y == other.y;
-	}
-};
-
-struct PositionHash
-{
-	constexpr BAN::hash_t operator()(Position state) const
-	{
-		return BAN::hash<u64>{}((u64)state.x << 32 | (u64)state.y);
-	}
-};
-
-static BAN::Vector<BAN::Vector<char>> parse_input(FILE* fp)
-{
-	BAN::Vector<BAN::Vector<char>> result;
-
-	char buffer[1024];
-	while (fgets(buffer, sizeof(buffer), fp))
-	{
-		if (!buffer[0] || buffer[0] == '\n')
-			break;
-
-		const size_t row_len = strlen(buffer) - 1;
-		ASSERT(buffer[row_len] == '\n');
-
-		if (!result.empty())
-			ASSERT(result.back().size() == row_len);
-
-		BAN::Vector<char> row;
-		MUST(row.resize(row_len));
-		memcpy(row.data(), buffer, row_len);
-
-		MUST(result.push_back(BAN::move(row)));
-	}
-
-	return result;
-}
-
-i64 part1(FILE* fp)
-{
-	auto input = parse_input(fp);
-
-	BAN::HashSet<Position, PositionHash> antinodes;
-
-	for (size_t y1 = 0; y1 < input.size(); y1++)
-	{
-		for (size_t x1 = 0; x1 < input[y1].size(); x1++)
-		{
-			if (input[y1][x1] == '.')
-				continue;
-
-			for (size_t y2 = y1; y2 < input.size(); y2++)
-			{
-				for (size_t x2 = (y2 == y1) ? x1 + 1 : 0; x2 < input[y2].size(); x2++)
-				{
-					if (input[y2][x2] != input[y1][x1])
-						continue;
-
-					const size_t x_diff = x2 - x1;
-					const size_t y_diff = y2 - y1;
-
-					auto antinode1 = Position { .x = (u32)(x1 - x_diff), .y = (u32)(y1 - y_diff) };
-					if (antinode1.y < input.size() && antinode1.x < input[antinode1.y].size())
-						MUST(antinodes.insert(antinode1));
-
-					auto antinode2 = Position { .x = (u32)(x2 + x_diff), .y = (u32)(y2 + y_diff) };
-					if (antinode2.y < input.size() && antinode2.x < input[antinode2.y].size())
-						MUST(antinodes.insert(antinode2));
-				}
-			}
-		}
-	}
-
-	return antinodes.size();
-}
-
-i64 part2(FILE* fp)
-{
-	auto input = parse_input(fp);
-
-	BAN::HashSet<Position, PositionHash> antinodes;
-
-	for (size_t y1 = 0; y1 < input.size(); y1++)
-	{
-		for (size_t x1 = 0; x1 < input[y1].size(); x1++)
-		{
-			if (input[y1][x1] == '.')
-				continue;
-
-			for (size_t y2 = y1; y2 < input.size(); y2++)
-			{
-				for (size_t x2 = (y2 == y1) ? x1 + 1 : 0; x2 < input[y2].size(); x2++)
-				{
-					if (input[y2][x2] != input[y1][x1])
-						continue;
-
-					const size_t x_diff = x2 - x1;
-					const size_t y_diff = y2 - y1;
-
-					for (size_t t = 0;; t++)
-					{
-						auto antinode = Position { .x = (u32)(x1 - t * x_diff), .y = (u32)(y1 - t * y_diff) };
-						if (antinode.y >= input.size() || antinode.x >= input[antinode.y].size())
-							break;
-						MUST(antinodes.insert(antinode));
-					}
-
-					for (size_t t = 0;; t++)
-					{
-						auto antinode = Position { .x = (u32)(x2 + t * x_diff), .y = (u32)(y2 + t * y_diff) };
-						if (antinode.y >= input.size() || antinode.x >= input[antinode.y].size())
-							break;
-						MUST(antinodes.insert(antinode));
-					}
-				}
-			}
-		}
-	}
-
-	return antinodes.size();
-}
-
-int main(int argc, char** argv)
-{
-	const char* file_path = "/usr/share/aoc2024/day8_input.txt";
-
-	if (argc >= 2)
-		file_path = argv[1];
-
-	FILE* fp = fopen(file_path, "r");
-	if (fp == nullptr)
-	{
-		perror("fopen");
-		return 1;
-	}
-
-	printf("part1: %" PRId64 "\n", part1(fp));
-
-	fseek(fp, 0, SEEK_SET);
-
-	printf("part2: %" PRId64 "\n", part2(fp));
-
-	fclose(fp);
-}