View Compilation Error

0_0_21854408_10165.cpp: In function 'void insert1(int, int, int, int*, int)':
0_0_21854408_10165.cpp:99:10: error: invalid conversion from 'int' to 'int*' [-fpermissive]
         y=++kkk;
          ^
0_0_21854408_10165.cpp:100:14: error: invalid types 'long long int [2501000][int*]' for array subscript
         sum[y]=sum[x]+c[s];
              ^
0_0_21854408_10165.cpp:103:13: error: invalid types 'int [2501000][int*]' for array subscript
         ls[y]=ls[x],rs[y]=rs[x];
             ^
0_0_21854408_10165.cpp:103:25: error: invalid types 'int [2501000][int*]' for array subscript
         ls[y]=ls[x],rs[y]=rs[x];
                         ^
0_0_21854408_10165.cpp:105:39: error: invalid types 'int [2501000][int*]' for array subscript
         if(s<=mid)r=mid,x=ls[x],y=ls[y];
                                       ^
0_0_21854408_10165.cpp:106:36: error: invalid types 'int [2501000][int*]' for array subscript
         else l=mid+1,x=rs[x],y=rs[y];
                                    ^