Run id: 125108

Main.cc:3:5: error: 'cin' does not name a type
     cin>>n;
     ^
Main.cc:4:5: error: expected unqualified-id before 'for'
     for(int i=0;i<4;i++){
     ^
Main.cc:4:17: error: 'i' does not name a type
     for(int i=0;i<4;i++){
                 ^
Main.cc:4:21: error: 'i' does not name a type
     for(int i=0;i<4;i++){
                     ^
Main.cc:7:2: error: 'c1' does not name a type
  c1=a[1]-a[0];
  ^
Main.cc:8:2: error: 'c2' does not name a type
  c2=a[3]-a[2];
  ^
Main.cc:9:2: error: 'b' does not name a type
  b=a[1]/a[0];
  ^
Main.cc:10:2: error: expected unqualified-id before 'if'
  if(c1==c2)
  ^
Main.cc:12:2: error: expected unqualified-id before 'else'
  else{
  ^