Compilare: user.cpp: In function ‘int main()’: user.cpp:76:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(putint<arb[1].val) ^ user.cpp:88:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(putint<arb[1].val) ^ user.cpp: In function ‘void citeste(int&)’: user.cpp:10:45: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin),poz=0; ^ user.cpp:15:45: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin),poz=0; ^ user.cpp: In function ‘int main()’: user.cpp:52:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("bleach.in","r",stdin); ^ user.cpp:53:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("bleach.out","w",stdout); ^