Compilare: main.c: In function 'main': main.c:6:72: warning: implicit declaration of function 'gets' [-Wimplicit-function-declaration] freopen("egalitati.in","r",stdin),freopen("egalitati.out","w",stdout),gets(s); ^~~~ main.c:6:2: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("egalitati.in","r",stdin),freopen("egalitati.out","w",stdout),gets(s); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:36: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("egalitati.in","r",stdin),freopen("egalitati.out","w",stdout),gets(s); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./ccX3jMo8.o: In function `main': main.c:(.text.startup+0x38): warning: the `gets' function is dangerous and should not be used.