cod3.cpp: In function 'int main()': cod3.cpp:41: warning: array subscript has type 'char' cod3.cpp:42: warning: array subscript has type 'char' cod3.cpp: In function 'char cod(char)': cod3.cpp:67: warning: array subscript has type 'char' cod3.cpp:67: warning: array subscript has type 'char' cod3.cpp: In function 'void invarte(int, int)': cod3.cpp:73: warning: 'l' may be used uninitialized in this function cod3.cpp:73: warning: 'c' may be used uninitialized in this function