Compilare: main.c: In function 'main': main.c:7:64: warning: implicit declaration of function 'gets' [-Wimplicit-function-declaration] freopen("ceas2.in","r",stdin),freopen("ceas2.out","w",stdout),gets(s),gets(t); ^~~~ main.c:11:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(s[i]!=t[i]) ^ main.c:7:2: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("ceas2.in","r",stdin),freopen("ceas2.out","w",stdout),gets(s),gets(t); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:7:32: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("ceas2.in","r",stdin),freopen("ceas2.out","w",stdout),gets(s),gets(t); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./ccUDnF9e.o: In function `main': main.c:(.text.startup+0x35): warning: the `gets' function is dangerous and should not be used.