View Compilation Error

0_0_37291768_17857.cpp: In function 'int main()':
0_0_37291768_17857.cpp:7:5: error: 'k1' was not declared in this scope
     k1 = 1;
     ^
0_0_37291768_17857.cpp:8:5: error: 'k2' was not declared in this scope
     k2 = 2;
     ^
0_0_37291768_17857.cpp:17:14: error: 'imdex' was not declared in this scope
         if(a[imdex] == 0){
              ^
0_0_37291768_17857.cpp:19:27: error: 'N' was not declared in this scope
             for(int i=0;i<N;i++)
                           ^
0_0_37291768_17857.cpp:28:26: error: expected primary-expression before ')' token
     for(int i=1;i<=n;i<++){
                          ^
0_0_37291768_17857.cpp:34:1: error: expected '}' at end of input
 }
 ^