/in/foo.cc: In function 'int main()':
/in/foo.cc:48:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(int i=1;i<=m;i++)scanf("%d",&x),b[x]=i;int s=m;
     ^~~
/in/foo.cc:48:48: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
     for(int i=1;i<=m;i++)scanf("%d",&x),b[x]=i;int s=m;
                                                ^~~
/in/foo.cc:46:31: warning: unused variable 'cc' [-Wunused-variable]
     scanf("%d%d",&n,&m);int x,cc=n;
                               ^~