Compilare: user.c: In function ‘main’: user.c:14:5: warning: format ‘%d’ expects a matching ‘int *’ argument [-Wformat=] scanf("%d %d %d %d",&lungime_sir1,&lungime_sir2,&restrictie); ^ user.c:11:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("edist.in","r",stdin); ^ user.c:12:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("edist.out","w",stdout); ^ user.c:14:10: 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:17:9: warning: ignoring return value of ‘gets’, declared with attribute warn_unused_result [-Wunused-result] gets(sir1); ^ user.c:20:9: warning: ignoring return value of ‘gets’, declared with attribute warn_unused_result [-Wunused-result] gets(sir2); ^ In file included from /usr/include/stdio.h:934:0, from user.c:1: In function ‘gets’, inlined from ‘main’ at user.c:17:9: /usr/include/i386-linux-gnu/bits/stdio2.h:230:3: warning: call to ‘__gets_warn’ declared with attribute warning: please use fgets or getline instead, gets can't specify buffer size [enabled by default] return __gets_warn (__str); ^ In function ‘gets’, inlined from ‘main’ at user.c:20:9: /usr/include/i386-linux-gnu/bits/stdio2.h:230:3: warning: call to ‘__gets_warn’ declared with attribute warning: please use fgets or getline instead, gets can't specify buffer size [enabled by default] return __gets_warn (__str); ^ /tmp/ccLhzyGw.o: In function `main': user.c:(.text.startup+0x7e): warning: the `gets' function is dangerous and should not be used.