Compilare: main.cpp: In function 'int main()': main.cpp:42:27: warning: format '%u' expects argument of type 'unsigned int*', but argument 3 has type 'long long unsigned int*' [-Wformat=] scanf("%d%ull", &V, &N); ^ main.cpp: In function 'int cif(int)': main.cpp:35:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:39:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cifre5.in", "r", stdin); ^ main.cpp:40:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cifre5.out", "w", stdout); ^ main.cpp:42:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%ull", &V, &N); ^