Compilare: user.cpp: In function ‘int main()’: user.cpp:9:10: warning: unused variable ‘x’ [-Wunused-variable] int x,y,n,i,m,gogu=0,ans=-2000000000,ig = 0,igr,ind; ^ user.cpp:9:12: warning: unused variable ‘y’ [-Wunused-variable] int x,y,n,i,m,gogu=0,ans=-2000000000,ig = 0,igr,ind; ^ user.cpp:9:18: warning: unused variable ‘m’ [-Wunused-variable] int x,y,n,i,m,gogu=0,ans=-2000000000,ig = 0,igr,ind; ^ user.cpp:7:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssm.in","r",stdin); ^ 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("ssm.out","w",stdout); ^ user.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:12:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ user.cpp:34:40: warning: ‘igr’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d %d",ans,igr+1,ind); ^