View Compilation Error

0_0_36639199_24182.cpp: In function 'int main()':
0_0_36639199_24182.cpp:11:26: error: 'scafn' was not declared in this scope
   scafn("%d%d%d",&n,&m,&k);//标号到n，m个保险柜，k柜 
                          ^
0_0_36639199_24182.cpp:13:3: error: 'temp' was not declared in this scope
   temp=k;
   ^
0_0_36639199_24182.cpp:16:21: error: invalid operands of types 'int [2000005]' and 'int' to binary 'operator*'
    ans+=a*abs(a[i]-k)
                     ^