Main.cc:5:1: error: expected unqualified-id before ‘{’ token { ^ Main.cc: In function ‘int main()’: Main.cc:25:4: error: invalid operands of types ‘int’ and ‘int [20]’ to binary ‘operator/’ n1/=b; ~~^~~ Main.cc:25:6: error: in evaluation of ‘operator/=(int, int [20])’ n1/=b; ^ Main.cc:26:4: error: invalid operands of types ‘int’ and ‘int [20]’ to binary ‘operator/’ n2/=b; ~~^~~ Main.cc:26:6: error: in evaluation of ‘operator/=(int, int [20])’ n2/=b; ^ Main.cc:12:16: warning: unused variable ‘d’ [-Wunused-variable] int n1=0,n2=1,d; ^