Compilare: user.cpp: In function ‘bool lee(int, int, int&, bool)’: user.cpp:148:37: warning: suggest parentheses around ‘+’ in operand of ‘&’ [-Wparentheses] int np = (pos - delta[k]) & MASK + (k << 22); ^ user.cpp: In function ‘int main()’: user.cpp:175:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d\n", &t); ^ user.cpp:179:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d\n", &n, &m); ^ user.cpp:183:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%s\n", &s[1]); ^