Compilare: user.cpp: In function ‘int main()’: user.cpp:43:17: warning: unused variable ‘st’ [-Wunused-variable] int n,i,x,j,st,dr,nod; ^ user.cpp:43:20: warning: unused variable ‘dr’ [-Wunused-variable] int n,i,x,j,st,dr,nod; ^ user.cpp:43:23: warning: unused variable ‘nod’ [-Wunused-variable] int n,i,x,j,st,dr,nod; ^ user.cpp:41:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("autobuze.in","r",stdin); ^ user.cpp:42:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("autobuze.out","w",stdout); ^ user.cpp:44:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:47:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ user.cpp:36:18: warning: ‘ii’ may be used uninitialized in this function [-Wmaybe-uninitialized] lst[ss].val=i; ^ user.cpp:19:9: note: ‘ii’ was declared here int ii; ^ user.cpp:36:18: warning: ‘ii’ may be used uninitialized in this function [-Wmaybe-uninitialized] lst[ss].val=i; ^ user.cpp:19:9: note: ‘ii’ was declared here int ii; ^