View Compilation Error

0_0_32343364_6049.cpp: In function 'int main()':
0_0_32343364_6049.cpp:17:15: error: 'a' was not declared in this scope
    scanf("%d",a+i);
               ^
0_0_32343364_6049.cpp:19:9: error: 'slove' was not declared in this scope
   slove();
         ^