Compilare: main.cpp: In function 'int main()': main.cpp:20:19: warning: format '%u' expects argument of type 'unsigned int*', but argument 2 has type 'ull* {aka long long unsigned int*}' [-Wformat=] scanf("%I64u",&n); ^ main.cpp:21:33: warning: format '%u' expects argument of type 'unsigned int', but argument 2 has type 'ull {aka long long unsigned int}' [-Wformat=] printf("%I64u", josephus(n, 2)); ^ main.cpp:17:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fetite.in","r",stdin); ^ main.cpp:18:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fetite.out","w",stdout); ^ main.cpp:20:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%I64u",&n); ^