Compilare: user.cpp: In function ‘bool termen_si1()’: user.cpp:61: warning: array subscript has type ‘char’ user.cpp: In function ‘bool termen_si2()’: user.cpp:125: warning: array subscript has type ‘char’ user.cpp: In function ‘bool termen_si1()’: user.cpp:53: warning: ‘val’ may be used uninitialized in this function user.cpp: In function ‘bool termen_si2()’: user.cpp:117: warning: ‘val’ may be used uninitialized in this function