Compilare: user.cpp: In function ‘void solutie()’: user.cpp:30:44: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(div1!=div2 && (div1%div2!=0 && div2%div1!=0 || div1==1 || div2==1)) ^ user.cpp: In function ‘void afisare()’: user.cpp:42:30: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘std::set<std::pair<long long int, long long int> >::size_type {aka long unsigned int}’ [-Wformat=] printf("%d\n", sol.size()); ^ user.cpp: In function ‘int main()’: user.cpp:49:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("armonica.in", "r", stdin); ^ user.cpp:50:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("armonica.out", "w", stdout); ^ user.cpp:52:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &b); ^