Compilare: user.cpp: In function ‘LL binomial()’: user.cpp:35:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(comb[s-s2].size() <= t || log10(ans) + log10(comb[s-s2][t]) > 13) ^ user.cpp: In function ‘int main()’: user.cpp:77:13: warning: unused variable ‘N’ [-Wunused-variable] int N = 0; ^ user.cpp:46:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("qnp.in", "r", stdin); ^ user.cpp:47:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("qnp.out", "w", stdout); ^ user.cpp:72:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &Q); ^ user.cpp:80:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^ user.cpp:85:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &NR); ^