Compilare: user.c: In function ‘main’: user.c:34:5: warning: statement with no effect [-Wunused-value] for(t;t>0;t--){ ^ user.c:33:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld",&t); ^ user.c:35:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld%lld%lld",&n,&m,&p); ^