Compilare: main.c: In function 'F': main.c:9:7: warning: implicit declaration of function 'getchar_unlocked' [-Wimplicit-function-declaration] c=getchar_unlocked(); ^~~~~~~~~~~~~~~~ main.c: In function 'main': main.c:50:3: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen ("evaluare.in", "r", stdin); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:51:3: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen ("evaluare.out", "w", stdout); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~