aoc2025: Prepare programming environment

userspace/aoc2025/full/CMakeLists.txt

@@ -0,0 +1,9 @@
+set(SOURCES
+	main.cpp
+)
+
+add_executable(aoc2025_full ${SOURCES})
+banan_include_headers(aoc2025_full ban)
+banan_link_library(aoc2025_full libc)
+
+install(TARGETS aoc2025_full OPTIONAL)

userspace/aoc2025/full/main.cpp

@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+int main()
+{
+	for (int i = 1; i <= 25; i++)
+	{
+		char command[128];
+		sprintf(command, "/bin/aoc2025/aoc2025_day%d", i);
+
+		struct stat st;
+		if (stat(command, &st) == -1)
+			continue;
+
+		printf("day%d\n", i);
+
+		system(command);
+	}
+
+	return 0;
+}