Compilare: user.cpp: In function ‘int caut(int, int, long long int, int, int)’: user.cpp:28:9: warning: unused variable ‘poz2’ [-Wunused-variable] int poz2=0; ^ user.cpp: In function ‘void citeste(int&)’: user.cpp:15:46: 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),poz1=0; ^ user.cpp:20:46: 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),poz1=0; ^ user.cpp: In function ‘int main()’: user.cpp:45:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dif2.in","r",stdin); ^ user.cpp:46:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dif2.out","w",stdout); ^ user.cpp:47:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&c,&n); ^ user.cpp:48:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] if(c==2) scanf("%lld%lld",&p1,&p2); ^