Compilare: user.cpp: In member function ‘void nr_mare::citeste(FILE*)’: user.cpp:24:27: 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:197:49: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(cifre[i]>=2 || cifre[i]==1 && (nr1.nr_cifre-cif*2<=1)) ^ user.cpp:203:49: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(cifre[i]>=2 || cifre[i]==1 && (nr2.nr_cifre-cif1*2<=1)) ^ user.cpp:236:50: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(ccifre[i]>=2 || cifre[i]==1 && (NR1.nr_cifre-cif*2<=1)) ^ user.cpp:242:50: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(ccifre[i]>=2 || cifre[i]==1 && (NR2.nr_cifre-cif*2<=1)) ^ user.cpp:164:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pal.in","r",stdin); ^ user.cpp:165:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pal.out","w",stdout); ^ user.cpp:167:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&n); ^ user.cpp:171:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&cifre[i]); ^ user.cpp:191:6: warning: ‘pp’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(pp) ^