Main.cc: In function ‘void Sort()’: Main.cc:10:4: error: expected ‘;’ before ‘a’ a[0]=a[i]; ^ Main.cc:10:13: warning: statement has no effect [-Wunused-value] a[0]=a[i]; ^ Main.cc:12:11: warning: statement has no effect [-Wunused-value] a[j-1]-a[j]; ~~~~~~^~~~~ Main.cc:6:6: warning: unused variable ‘i’ [-Wunused-variable] int i,j; ^ Main.cc:17:1: warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false [-Wstrict-overflow] } ^