Compilare: user.cpp: In function ‘int main()’: user.cpp:11:19: warning: unused variable ‘sf’ [-Wunused-variable] int s,p,u,inc,sf,temp,ok,i,j,n,lg; ^ user.cpp:8:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("minim.in","r",stdin); ^ user.cpp:9:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("minim.out","w",stdout); ^ user.cpp:13:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:14:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for( i = 1; i <= n; ++i ) scanf("%d",&v[i]); ^ user.cpp:27:32: warning: ‘lg’ may be used uninitialized in this function [-Wmaybe-uninitialized] else if( temp == s && i - inc < lg ) { s = temp; p = inc; u = i; lg = u - p; } ^ user.cpp:27:37: warning: ‘inc’ may be used uninitialized in this function [-Wmaybe-uninitialized] else if( temp == s && i - inc < lg ) { s = temp; p = inc; u = i; lg = u - p; } ^ user.cpp:41:19: warning: ‘u’ may be used uninitialized in this function [-Wmaybe-uninitialized] ok = ok - ( u - p + 1 ); ^ user.cpp:41:19: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized]