/in/foo.c: In function 'main':
/in/foo.c:9:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(j=1,k=0;j<=i;j++)
   ^~~
/in/foo.c:12:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
    if(k==2)
    ^~
/in/foo.c:4:12: warning: unused variable 's' [-Wunused-variable]
  int n,k,j,s,i,count;
            ^