View Compilation Error

0_0_39147436_26387.cpp: In function 'int main()':
0_0_39147436_26387.cpp:4:17: error: expected ';' before 'while'
    4 |   scanf("%d",&n)
      |                 ^
      |                 ;
    5 |   while( n-- > 0 ){
      |   ~~~~~