View Compilation Error

0_0_38824831_28274.cpp: In function 'void getResult(int)':
0_0_38824831_28274.cpp:31:8: error: return-statement with a value, in function returning 'void' [-fpermissive]
   31 | return sum;
      |        ^~~
0_0_38824831_28274.cpp: In function 'void init()':
0_0_38824831_28274.cpp:40:24: error: expected ';' before '}' token
   40 |         modify(i, a[i])
      |                        ^
      |                        ;
   41 |     }
      |     ~