Owl Get a Life

Compile Error

platonic2.cpp: In function ‘int main()’:
platonic2.cpp:8:9: error: ‘i’ was not declared in this scope
8 | for(i=0; i < N ; i++){
| ^
platonic2.cpp:9:30: error: ‘n’ was not declared in this scope
9 | sort(arr[i],arr[i] + n);
| ^