Owl Get a Life

Compile Error

platonic9.cpp:3:5: error: cannot declare ‘::main’ to be a global variable
3 | int main {
| ^~~~
platonic9.cpp:4:2: error: expected primary-expression before ‘int’
4 | int N;
| ^~~
platonic9.cpp:4:2: error: expected ‘}’ before ‘int’
platonic9.cpp:3:10: note: to match this ‘{’
3 | int main {
| ^
platonic9.cpp:7:2: error: ‘arr’ does not name a type
7 | arr[N] = {};
| ^~~
platonic9.cpp:8:2: error: expected unqualified-id before ‘for’
8 | for(int i = 0; i < N; i++) {
| ^~~
platonic9.cpp:8:17: error: ‘i’ does not name a type
8 | for(int i = 0; i < N; i++) {
| ^
platonic9.cpp:8:24: error: ‘i’ does not name a type
8 | for(int i = 0; i < N; i++) {
| ^
platonic9.cpp:12:2: error: expected unqualified-id before ‘if’
12 | if(K % 2 == 0) {
| ^~
platonic9.cpp:17:2: error: expecte