Compilare: user.cpp: In function ‘int main()’: user.cpp:14:14: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long unsigned int*’ [-Wformat=] scanf("%d",&t); ^ user.cpp:17:21: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long unsigned int*’ [-Wformat=] scanf("%d%d",&n,&k); ^ user.cpp:17:21: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long unsigned int*’ [-Wformat=] user.cpp:12:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cifre4.in","r",stdin); ^ user.cpp:13:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cifre4.out","w",stdout); ^ user.cpp:14:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:17:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^