Compilare: user.cpp: In function ‘void formaresubsir()’: user.cpp:18:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] strcpy(x[nr++],a); ^ user.cpp:27:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] strcpy(x[nr++],a); ^ user.cpp:30:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] strcpy(x[nr++],"("); ^ user.cpp:38:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] strcpy(x[nr++],a); ^ user.cpp:41:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] strcpy(x[nr++],")"); ^ user.cpp:47:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[q++]=sirinit[i]; ^ user.cpp: In function ‘bool eval(int, int)’: user.cpp:98:29: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] int p=cautare("OR",st,dr); ^ user.cpp:101:30: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] p=cautare("AND",st,dr); ^ user.cpp:104:34: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] p=cautare("NOT",st,dr); ^ user.cpp:119:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:123:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bool.in","r",stdin); ^ user.cpp:124:30: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(sirinit,1000,stdin); ^