Run id: 1746

Main.cc:1:1: error: expected unqualified-id before 'if'
 if(n==1){
 ^
Main.cc:5:5: error: expected unqualified-id before 'for'
     for(long long i;i<=n-1;i++){
     ^
Main.cc:5:21: error: 'i' does not name a type
     for(long long i;i<=n-1;i++){
                     ^
Main.cc:5:28: error: 'i' does not name a type
     for(long long i;i<=n-1;i++){
                            ^
Main.cc:9:5: error: expected unqualified-id before 'if'
     if(f==false)
     ^
Main.cc:11:5: error: expected unqualified-id before 'else'
     else
     ^
Main.cc:13:5: error: expected unqualified-id before 'return'
     return 0;
     ^