Compilare: user.cpp: In function ‘long int toDecimal(char*)’: user.cpp:18:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] d+=poz[nr[i]]*p; ^ user.cpp: In function ‘int main()’: user.cpp:39:40: warning: format ‘%s’ expects argument of type ‘char*’, but argument 4 has type ‘char (*)[12]’ [-Wformat=] scanf("%d %d %s ",&cr,&n,&criteriu); ^ user.cpp:41:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] poz[criteriu[i]]=i; ^ user.cpp:36:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.in","r",stdin); ^ user.cpp:37:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.out","w",stdout); ^ user.cpp:39:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %s ",&cr,&n,&criteriu); ^ user.cpp:46:18: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(ss); ^ /tmp/cc2OSPC7.o: In function `main': user.cpp:(.text.startup+0xb0): warning: the `gets' function is dangerous and should not be used.