foo.cpp: In function 'int main()':
foo.cpp:10:12: error: 'N' was not declared in this scope
     cin >> N;
            ^
foo.cpp:25:5: error: expected ';' before '}' token
     } 
     ^
foo.cpp:30:7: error: 'arr' was not declared in this scope
    if(arr[i] > arr[j]){
       ^
foo.cpp:50:1: error: expected '}' at end of input
 }
 ^