#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N; ll A[555][555]; map> M; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; FOR(y,N) FOR(x,N) cin>>A[y][x]; if(N<=3) { vector V; FOR(i,N*N) V.push_back(i); do { int vis[N*N]={}; int par=0; FOR(i,N*N) if(vis[i]==0) { x=i; while(vis[x]==0) { par^=1; vis[x]=1; x=V[x]; } par^=1; } FOR(i,N*N) if(V[i]==0) { par^=(i%N)%2; par^=(i/N)%2; } if(par==0) { ll ret=0; FOR(i,N*N) ret+=V[i]*A[i/N][i%N]; if(M.count(ret)) { cout<<"Yes"< V,P; FOR(i,4*4) { V.push_back(i); P.push_back(i/4*N+i%4); } do { int vis[4*4]={}; int par=0; FOR(i,4*4) if(vis[i]==0) { x=i; while(vis[x]==0) { par^=1; vis[x]=1; x=V[x]; } par^=1; } FOR(i,4*4) if(V[i]==0) { par^=(i%N)%2; par^=(i/N)%2; } if(par==0) { ll ret=0; FOR(i,4*4) ret+=V[P[i]]*A[i/4][i%4]; if(M.count(ret)) { cout<<"Yes"<