/in/foo.cc: In function 'int main()':
/in/foo.cc:72:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    if(op[i][0]!=op[i][1]) add(dep[op[i][0]]+1,1);add(dep[op[i][1]]+1,-1);
    ^~
/in/foo.cc:72:50: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    if(op[i][0]!=op[i][1]) add(dep[op[i][0]]+1,1);add(dep[op[i][1]]+1,-1);
                                                  ^~~
/in/foo.cc:73:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    if(op[i][0]!=op[i][2]) add(dep[op[i][0]]+1,1);add(dep[op[i][2]]+1,-1);
    ^~
/in/foo.cc:73:50: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    if(op[i][0]!=op[i][2]) add(dep[op[i][0]]+1,1);add(dep[op[i][2]]+1,-1);
                                                  ^~~
/in/foo.cc:75:33: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
    printf("%d\n",query(op[i][0]));
                                 ^
/in/foo.cc:51:8: warning: unused variable 'j' [-Wunused-variable]
  int i,j,k;
        ^
/in/foo.cc:51:10: warning: unused variable 'k' [-Wunused-variable]
  int i,j,k;
          ^