Compilare: user.cpp: In function ‘void suma(long long unsigned int)’: user.cpp:27:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=a[0]+15;i++) ^ user.cpp:39:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=a[0]+15;i++) ^ user.cpp:58:29: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long unsigned int’ [-Wformat=] printf("%d",a[i]); ^ user.cpp: In function ‘int main()’: user.cpp:68:23: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%ld",&n); ^ user.cpp:63:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("quadratum.in","r",stdin); ^ user.cpp:64:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("quadratum.out","w",stdout); ^ user.cpp:65:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:68:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&n); ^