#include using namespace std; #define INF INT_MAX #define LINF LLONG_MAX #define forin(data) for(auto &i : data) #define debug(x) cerr << #x << " = " << x << endl; using ll = long long; using pi = pair; using vi = vector; using vii = vector; using vl = vector; void init(){ #ifdef LOCAL freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); freopen("log.txt", "w", stderr); #else cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0); #endif } int main(){ init(); int tc; cin >> tc; for(int i=1; i<=tc; i++){ int n; cin >> n; int arr[n][n]; int sum, row, col; sum = row = col = 0; for(int j=0; j ele; for(int k=0; k> arr[j][k]; ele.insert(arr[j][k]); } if(ele.size() != n){ row++; } } for(int j=0; j ele; for(int k=0; k