Compilare: user.cpp: In function ‘int main()’: user.cpp:13:12: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] int n, x, j, i; ^ user.cpp:10:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("elmaj.in", "r", stdin); ^ user.cpp:11:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("elmaj.out", "w", stdout); ^ user.cpp:16:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&a[i]); ^ user.cpp:32:22: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(j<=n && a[j]==a[i]) ^