Compilare: user.cpp: In function ‘long long int nratoi(char*)’: user.cpp:14:18: warning: NULL used in arithmetic [-Wpointer-arith] while (x[i]!=NULL) ^ user.cpp: In function ‘void rez2(long long int, char*)’: user.cpp:25:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (nr!=0) ^ user.cpp: In function ‘void rez22(long long int, char*)’: user.cpp:108:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (nr!=0) ^ user.cpp: In function ‘void rez5(long long int, char*)’: user.cpp:136:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (nratoi(y)) ^ user.cpp: In function ‘void rez6(long long int, char*)’: user.cpp:181:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (nratoi(y)) ^ user.cpp: In function ‘void rez7(long long int, char*)’: user.cpp:194:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (lin[0]!=0) ^ user.cpp: In function ‘void rez8(long long int, char*)’: user.cpp:218:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (nratoi(y)) ^ user.cpp: In function ‘void rez9(long long int, char*)’: user.cpp:243:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (nratoi(y)) ^