#include using namespace std; int main(){ int N;cin>>N; vectorA(N); vector>B(N,vector(N)); for(int i=0;i>A[i]; for(int i=0;i>B[i][j]; } } long long ans=0; vectorc; for(int i=0;i<(1<b; long long count=0; for(int j=0;j