Compilare: main.cpp: In function 'void h_adun(int*, int*, int*)': main.cpp:12:21: warning: 'sizeof' on array function parameter 'c' will return size of 'int*' [-Wsizeof-array-argument] memset(c,0,sizeof(c)); ^ main.cpp:9:35: note: declared here void h_adun(int a[],int b[],int c[]) ^ main.cpp:12:19: warning: argument to 'sizeof' in 'void* memset(void*, int, size_t)' call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(c,0,sizeof(c)); ^ main.cpp: In function 'void h_mv(int*, int*)': main.cpp:28:24: warning: 'sizeof' on array function parameter 'a' will return size of 'int*' [-Wsizeof-array-argument] memset(a,0,sizeof(a)); ^ main.cpp:25:17: note: declared here void h_mv(int a[],int b[]) ^ main.cpp:28:22: warning: argument to 'sizeof' in 'void* memset(void*, int, size_t)' call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(a,0,sizeof(a)); ^ main.cpp: In function 'int main()': main.cpp:37:10: warning: unused variable 'ch' [-Wunused-variable] char ch; ^~ main.cpp:38:13: warning: unused variable 'i' [-Wunused-variable] int n=2,i,cf=2; ^ main.cpp:35:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fib.in","r",stdin); ^ main.cpp:36:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fib.out","w",stdout); ^ main.cpp:43:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^