View Compilation Error

0_0_25600536_32586.cpp: In function 'int main()':
0_0_25600536_32586.cpp:29:39: error: 'ct' was not declared in this scope
         for(int i=0;i<m;i++)if(b[i])a[ct++]=b[i];
                                       ^
0_0_25600536_32586.cpp:30:11: error: 'ct' was not declared in this scope
         m=ct;
           ^