View Compilation Error

0_0_35965190_27405.cpp:4:10: error: 'n' was not declared in this scope
 string a[n];
          ^
0_0_35965190_27405.cpp:5:7: error: 'n' was not declared in this scope
 int c[n];
       ^
0_0_35965190_27405.cpp: In function 'int main()':
0_0_35965190_27405.cpp:21:8: error: 'a' was not declared in this scope
   cin>>a[0];
        ^
0_0_35965190_27405.cpp:25:21: error: 'c' was not declared in this scope
    if(a[i]==a[i-1]) c[i]=0;
                     ^
0_0_35965190_27405.cpp:26:9: error: 'c' was not declared in this scope
    else c[i]=1;
         ^
0_0_35965190_27405.cpp:31:8: error: 'c' was not declared in this scope
    if (c[i]==0) continue;
        ^
0_0_35965190_27405.cpp:33:11: error: 'c' was not declared in this scope
    while (c[i]==1)
           ^