View Compilation Error

0_0_14864948_18464.cpp:20:1: error: expected initializer before 'int'
 int c[maxl];
 ^
0_0_14864948_18464.cpp: In function 'int main()':
0_0_14864948_18464.cpp:30:37: error: 'a' was not declared in this scope
         for(int i=1;i<=n;i++) {cin>>a[i];res+=a[i];}
                                     ^
0_0_14864948_18464.cpp:31:36: error: 'c' was not declared in this scope
         for(int i=1;i<=n;i++) cin>>c[i];
                                    ^