View Compilation Error

0_0_38957436_29678.cpp: In function 'int main()':
0_0_38957436_29678.cpp:32:24: error: expected ';' before 'mpt'
   32 |       scanf("%d",&a[i])
      |                        ^
      |                        ;
   33 |       mpt[a[i]].insert(i);
      |       ~~~