Compilare: user.cpp: In function ‘void Solve()’: user.cpp:10:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld ", &n, &k); ^ user.cpp: In function ‘int main()’: user.cpp:33:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for( scanf("%d", &t); t > 0 ; --t ) ^