astre.cpp: In function 'void read()': astre.cpp:26: warning: array subscript has type 'char' astre.cpp:27: warning: array subscript has type 'char' astre.cpp:27: warning: array subscript has type 'char' astre.cpp: In function 'void permuteTwoFragments(fragment&, fragment&)': astre.cpp:51: warning: array subscript has type 'char' astre.cpp:51: warning: array subscript has type 'char' astre.cpp:51: warning: array subscript has type 'char' astre.cpp:52: warning: array subscript has type 'char' astre.cpp:52: warning: array subscript has type 'char' astre.cpp:52: warning: array subscript has type 'char' astre.cpp:53: warning: array subscript has type 'char' astre.cpp:53: warning: array subscript has type 'char' astre.cpp:53: warning: array subscript has type 'char' astre.cpp: In function 'bool isLexicographicalSmaller(fragment, fragment)': astre.cpp:66: warning: array subscript has type 'char' astre.cpp:66: warning: array subscript has type 'char' astre.cpp:68: warning: array subscript has type 'char' astre.cpp:68: warning: array subscript has type 'char' astre.cpp:71: warning: array subscript has type 'char' astre.cpp: In function 'void makePermutations()': astre.cpp:87: warning: array subscript has type 'char' astre.cpp:90: warning: array subscript has type 'char' astre.cpp: In function 'void showAllFragments()': astre.cpp:101: warning: array subscript has type 'char' astre.cpp:102: warning: array subscript has type 'char' astre.cpp:102: warning: array subscript has type 'char'