View Compilation Error

0_0_39591890_22225.cpp: In function 'int main()':
0_0_39591890_22225.cpp:14:69: error: expected ';' before 'sort'
   14 |                 for (int i=1;i<=n;i++) scanf("%d%d",&a[i].w,&a[i].h)
      |                                                                     ^
      |                                                                     ;
   15 |                 sort(a+1,a+n+1,cmp);
      |                 ~~~~