Compilare: user.c: In function ‘main’: user.c:15:5: warning: format ‘%d’ expects a matching ‘int *’ argument [-Wformat=] scanf("%d %d %d %d",&lungime_sir1,&lungime_sir2,&restrictie); ^ user.c:12:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("edist.in","r",stdin); ^ user.c:13:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("edist.out","w",stdout); ^ user.c:15:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d",&lungime_sir1,&lungime_sir2,&restrictie); ^ user.c:18:9: warning: ignoring return value of ‘gets’, declared with attribute warn_unused_result [-Wunused-result] gets(sir1); ^ user.c:21:9: warning: ignoring return value of ‘gets’, declared with attribute warn_unused_result [-Wunused-result] gets(sir2); ^ /tmp/ccH8Gv9E.o: In function `main': user.c:(.text.startup+0x8c): warning: the `gets' function is dangerous and should not be used.