Compilare: main.c: In function 'main': main.c:160:25: warning: use of 'll' length modifier with 'f' type character has either no effect or undefined behavior [-Wformat=] 160 | fscanf(fin, "%llf %llf", &x[i], &y[i]); | ^ main.c:160:30: warning: use of 'll' length modifier with 'f' type character has either no effect or undefined behavior [-Wformat=] 160 | fscanf(fin, "%llf %llf", &x[i], &y[i]); | ^ main.c:173:19: warning: too many arguments for format [-Wformat-extra-args] 173 | fprintf(fout, "lf\n", s / 2); | ^~~~~~