Main.cc:2:5: error: 'cin' does not name a type
cin>>n;
^
Main.cc:3:5: error: expected unqualified-id before 'for'
for(int i=0;i<4;i++){
^
Main.cc:3:17: error: 'i' does not name a type
for(int i=0;i<4;i++){
^
Main.cc:3:21: error: 'i' does not name a type
for(int i=0;i<4;i++){
^
Main.cc:8:2: error: expected unqualified-id before 'if'
if(a==b){
^