View Compilation Error

0_0_37530276_13414.cpp: In function 'int main()':
0_0_37530276_13414.cpp:26:35: error: 'i' was not declared in this scope
   for(int i=1;i<=n;i++) fa[i]=i;d[i]=0;
                                   ^
0_0_37530276_13414.cpp:30:15: error: too many arguments to function 'void merge(int, int)'
    merge(x,y,s);
               ^
0_0_37530276_13414.cpp:12:6: note: declared here
 void merge(int x,int y){
      ^