Compilare: user.cpp: In function ‘long long unsigned int pw(long long unsigned int, long long unsigned int)’: user.cpp:107:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; ( 1LL << i ) <= p; ++i ) ^ user.cpp: In function ‘int main()’: user.cpp:127:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 1; i <= M; ++i ) ^ user.cpp:129:24: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long unsigned int*’ [-Wformat=] scanf("%d ", &a); ^ user.cpp:120:22: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] FIN("antocod.in"); ^ user.cpp:121:24: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] FOUT("antocod.out"); ^ user.cpp:129:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ", &a); ^