Compilare: user.c: In function ‘main’: user.c:7:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("pscpld.in","r",stdin),freopen("pscpld.out","w",stdout),scanf("%s",v+1),n=strlen(v+1); ^ user.c:7:43: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("pscpld.in","r",stdin),freopen("pscpld.out","w",stdout),scanf("%s",v+1),n=strlen(v+1); ^ user.c:7:74: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] freopen("pscpld.in","r",stdin),freopen("pscpld.out","w",stdout),scanf("%s",v+1),n=strlen(v+1); ^