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#include#include #include #include #include #include #include using namespace std; #define maxn 1005 int V, m; vector G[maxn]; int in[maxn]; int main() { int t,n,m,i,j=1; cin>>t; while(t--) { int s=0; cin>>n; int ss=0; for(i=0;i >in[i]; ss^=in[i]; s+=in[i]; } sort(in,in+n); printf(Case #%d: ,j++); if(!ss) { cout<