Compilare: user.cpp: In function ‘int main()’: user.cpp:90:35: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if ((ci >> j) & i == 1) ^ user.cpp:51:13: warning: unused variable ‘saiz’ [-Wunused-variable] int saiz = str.size(); ^ user.cpp:52:13: warning: unused variable ‘saizz’ [-Wunused-variable] int saizz = strr.size(); ^ user.cpp:43:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("logic.out", "w", stdout); ^