Compilare: user.c: In function ‘mypow’: user.c:31:4: warning: type of ‘base’ defaults to ‘int’ [enabled by default] LL mypow(base, exp) { ^ user.c:31:4: warning: type of ‘exp’ defaults to ‘int’ [enabled by default] user.c: In function ‘read’: user.c:24:13: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen(FIN, "r", stdin); ^ user.c:26:11: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &base, &expo); ^ user.c: In function ‘solve’: user.c:55:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen(FOUT, "w", stdout); ^