Compilare: main.cpp: In function 'long long int rezolva(long long int, long long int)': main.cpp:18:38: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] if (a%P < 0 || b%P < 0 || a&P<b%P) ~^~~~ main.cpp: In function 'int main()': main.cpp:31:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("jap2.in" , "r" , stdin) ; ^ main.cpp:32:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("jap2.out" , "w" , stdout) ; ^ main.cpp:33:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld" , &P , &Q) ; ^ main.cpp:47:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld" , &a , &b); ^