Compilare: user.cpp: In function ‘int main()’: user.cpp:66:10: warning: suggest parentheses around assignment used as truth value [-Wparentheses] flag = st = dr = cnt = 0; ^ user.cpp:40:58: warning: unused variable ‘dir’ [-Wunused-variable] int p, n, m, t, l, c, k, s, x, y, b, st, dr, acc, cnt, dir, ncr, lcr, ccr, dcr; ^ user.cpp: In function ‘char getChar(FILE*)’: user.cpp:17:31: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf, BUF_SIZE, 1, f); ^