Compilare: user.cpp: In function ‘int main()’: user.cpp:9:18: warning: unused variable ‘lim’ [-Wunused-variable] int t, n, k, lim, j, i ; ^ user.cpp:7:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "divprim.in","r",stdin ) ; ^ user.cpp:8:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "divprim.out","w",stdout ) ; ^ user.cpp:10:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d",&n ) ; ^ user.cpp:33:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d%d",&n,&k ) ; ^ user.cpp:31:5: warning: ‘t’ may be used uninitialized in this function [-Wmaybe-uninitialized] for ( i = 1 ; i <= t ; i ++ ) ^