Compilare: user.cpp: In member function ‘void nr_mare::citeste(FILE*)’: user.cpp:25:27: warning: left operand of comma operator has no effect [-Wunused-value] for(int i=nr_cifre,j=0;i>=1,j<nr_cifre;i--,j++) ^ user.cpp: In function ‘int main()’: user.cpp:169:32: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[1270]’ [-Wformat=] scanf("%s %s ",&cuv[1],&cuv[2]); ^ user.cpp:169:32: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[1270]’ [-Wformat=] user.cpp:219:32: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("POZ:%d \n",poz); ^ user.cpp:220:11: warning: unused variable ‘XX’ [-Wunused-variable] int XX=x.intreg(); ^ user.cpp:166:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bifo.in","r",stdin); ^ user.cpp:167:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bifo.out","w",stdout); ^ user.cpp:169:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s %s ",&cuv[1],&cuv[2]); ^ user.cpp:172:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&m); ^ user.cpp: In member function ‘void nr_mare::citeste(FILE*)’: user.cpp:23:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%s ",copie); ^