Added files.

.travis.yml

@@ -0,0 +1,23 @@
+language: cpp
+compiler:
+  - clang
+  - gcc
+matrix:
+  include:
+  - os: linux
+    dist: trusty
+  - os: linux
+    dist: xenial
+install:
+  - sudo apt-get -yqq update
+  - sudo apt-get -yqq install cppcheck
+script:
+  - g++ -Wall -g -fsanitize=address tables.cpp -o gcc_tables
+  - ./gcc_tables
+  - g++ -Wall -g -fsanitize=address graphs.cpp -o gcc_graphs
+  - ./gcc_graphs
+  - clang++ -Wall -g -fsanitize=address tables.cpp -o clang_tables
+  - ./clang_tables
+  - clang++ -Wall -g -fsanitize=address graphs.cpp -o clang_graphs
+  - ./clang_graphs
+  - cppcheck --error-exitcode=1 .