Init skeleton c_impl and problem description

c_impl/.gitignore

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+build*/
+.cache/
+compile_commands.json

c_impl/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.9)
+project(AronsonsSequencePractice)
+
+set(ASP_SOURCES
+    src/main.c)
+
+set(CMAKE_C_FLAGS "-Wall -Wextra -Wpedantic")
+set(CMAKE_C_FLAGS_DEBUG "-g -O0")
+set(CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG")
+
+if(NOT CMAKE_BUILD_TYPE OR "${CMAKE_BUILD_TYPE}" MATCHES ^$)
+    set(CMAKE_BUILD_TYPE "Debug")
+    message("Set defualt build type to Debug")
+endif()
+
+add_executable(aronsonsSequence ${ASP_SOURCES})

c_impl/src/main.c

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+int main(int argc, char **argv) {
+    return 0;
+}

problemDesc.txt

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+Aronson\u2019s sequence 1, 4, 11, 16, 24, 29, 33, 35, 39, \u2026 (A005224) is
+an infinite self-referential sequence defined as:
+
+    T is the first, fourth, eleventh, \u2026 letter in this sentence.
+
+Your task is to write a program that generates Aronson\u2019s sequence and use
+it to compute the first hundred members of the sequence. When you are finished,
+you are welcome to read or run a suggested solution, or to post your own
+solution or discuss the exercise in the comments below.

problemLink.txt

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+https://programmingpraxis.com/2021/06/22/aronsons-sequence/