View Compilation Error

0_0_36451566_613.cpp: In function 'int main()':
0_0_36451566_613.cpp:59:29: error: 'ic1' was not declared in this scope
      for(int i=0;i<=2*n+1;++ic1[i]=c2[i]=c3[i]=0;
                             ^
0_0_36451566_613.cpp:59:49: error: expected ')' before ';' token
      for(int i=0;i<=2*n+1;++ic1[i]=c2[i]=c3[i]=0;
                                                 ^