Compilare: user.cpp: In function ‘void Calc()’: user.cpp:11:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] {c[top]=s[i]; top++; ^ user.cpp:15:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(s[i]=='(') {c[top]='\\'; top++;} ^ user.cpp:17:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] {strcpy(a[z],c);z++; ^ user.cpp:25:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] else {strcpy(a[z],c); z++; ^ user.cpp:23:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(s[i]==')') ^ user.cpp: In function ‘int main()’: user.cpp:42:18: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[1601]’ [-Wformat=] fscanf(f,"%s",&s); ^ user.cpp:46:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] {fprintf(g,"%s", a[z]); ^ user.cpp: In function ‘void Calc()’: user.cpp:24:45: warning: array subscript is below array bounds [-Warray-bounds] if(s[i-1]=='(') {strcpy(c-1,"");top--;} ^