Compilare: main.c: In function 'main': main.c:7:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("paginatie.in","r",stdin),freopen("paginatie.out","w",stdout),scanf("%d%d\n",&n,&m); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:7:39: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("paginatie.in","r",stdin),freopen("paginatie.out","w",stdout),scanf("%d%d\n",&n,&m); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:7:75: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("paginatie.in","r",stdin),freopen("paginatie.out","w",stdout),scanf("%d%d\n",&n,&m); ^~~~~~~~~~~~~~~~~~~~~ main.c:9:13: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] ++i,scanf("%s\n",s),u[i]=u[i-1]+strlen(s),strcpy(w[++g],s); ^~~~~~~~~~~~~~~