3 files changed, 83 insertions, 0 deletions
diff --git a/challenge-275/atschneid/cpp/ch-1.cpp b/challenge-275/atschneid/cpp/ch-1.cpp
new file mode 100644
index 0000000000..96a1bfb60a
--- /dev/null
+++ b/challenge-275/atschneid/cpp/ch-1.cpp
@@ -0,0 +1,42 @@
+#include <iostream>
+#include <regex>
+#include <string>
+
+
+using namespace std;
+
+int find_unbroken_words( const string& line, const string& letters ) {
+  string letter_expression = "\\S*[" + letters + "]\\S*";
+
+  regex allwords_re ("\\S+");
+  regex badwords_re (letter_expression, regex::icase );
+
+  auto all_match = sregex_iterator(line.begin(), line.end(), allwords_re);
+  auto bad_match = sregex_iterator(line.begin(), line.end(), badwords_re);
+  auto base = sregex_iterator();
+
+  return std::distance(all_match, base) - std::distance(bad_match, base);
+}
+
+struct inputline {
+  string s;
+  const char* cs;
+};
+
+int main() {
+  inputline inputs[] = {
+    { "Perl Weekly Challenge", "la" },
+    { "Perl and Raku", "a" },
+    { "Well done Team PWC", "lo" },
+    { "The joys of polyglottism", "T" },
+    { "The joys o*f polyglottism", "*Tp"}
+  };
+
+  for (int i=0; i < 5; i++) {
+    auto input = inputs[i];
+    auto line = input.s;
+    auto broken_chars = input.cs;
+    cout << line << ", " << broken_chars << " :: " << find_unbroken_words(line, broken_chars) << "\n";
+  }
+}
+  
diff --git a/challenge-275/atschneid/cpp/ch-2.cpp b/challenge-275/atschneid/cpp/ch-2.cpp
new file mode 100644
index 0000000000..10ded6914d
--- /dev/null
+++ b/challenge-275/atschneid/cpp/ch-2.cpp
@@ -0,0 +1,32 @@
+#include <iostream>
+
+class fillable_string: public std::string {
+public:
+  void fill_digits();
+};
+
+void fillable_string::fill_digits() {
+  auto s = this->data();
+  char fill_char = ' ';
+  for (int i=0; i < this->size(); i++) {
+    if (std::isdigit(s[i])) {
+      s[i] += fill_char - '0'; // to shift the char val
+    } else {
+      fill_char = s[i];
+    }
+  }
+}
+
+int main() {
+  fillable_string inputs[]{
+    {"a1c1e1"},
+    {"a1b2c3d4"},
+    {"b2b"},
+    {"a16z"}
+  };
+  for (int i=0; i < 4; i++) {
+    std::cout << inputs[i] << " => ";
+    inputs[i].fill_digits();
+    std::cout << inputs[i] << '\n';
+  }
+}
diff --git a/challenge-275/atschneid/cpp/makefile b/challenge-275/atschneid/cpp/makefile
new file mode 100644
index 0000000000..9c91d50c01
--- /dev/null
+++ b/challenge-275/atschneid/cpp/makefile
@@ -0,0 +1,9 @@
+CPPFLAGS := -g -std=c++17 -Wall -O3
+
+all: ch-1 ch-2
+
+ch-1: ch-1.cpp
+	c++ ch-1.cpp -o ch-1 $(CPPFLAGS)
+
+ch-2: ch-2.cpp
+	c++ ch-2.cpp -o ch-2 $(CPPFLAGS)