Compilare: user.cpp: In function ‘void cer2()’: user.cpp:32:69: warning: operation on ‘n’ may be undefined [-Wsequence-point] while(n < k && INT_MAX > a[n] + a[n-1]) a[++n] = a[n-1] + a[n-2]; ^ user.cpp:32:69: warning: operation on ‘n’ may be undefined [-Wsequence-point] user.cpp:48:27: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d ", a[i]); ^ user.cpp:28:18: warning: unused variable ‘x’ [-Wunused-variable] long long i, x, z, y; ^ user.cpp:28:21: warning: unused variable ‘z’ [-Wunused-variable] long long i, x, z, y; ^ user.cpp:28:24: warning: unused variable ‘y’ [-Wunused-variable] long long i, x, z, y; ^ user.cpp: In function ‘void cer1()’: user.cpp:20:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x), minn = min(minn, x); ^ user.cpp: In function ‘void cer2()’: user.cpp:30:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &a[i]); ^ user.cpp: In function ‘int main()’: user.cpp:52:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("triunghi6.in", "r", stdin); ^ user.cpp:53:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("triunghi6.out", "w", stdout); ^ user.cpp:54:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld%lld", &v, &n, &k); ^