#include using namespace std; using ll = long long; using ld = long double; using ull = unsigned long long; #define rep(i,n) for(ll i=0;i T div_floor(T a, T b) { return a / b - ((a ^ b) < 0 && a % b); } template T div_ceil(T a, T b) { return a / b + ((a ^ b) > 0 && a % b); } template inline bool chmin(T &x, U y) { return (y < x) ? (x = y, true) : false; } template inline bool chmax(T &x, U y) { return (x < y) ? (x = y, true) : false; } template ostream &operator<<(ostream &os, const vector &a){ if (a.empty()) return os; os << a.front(); for (auto e : a | views::drop(1)){ os << ' ' << e; } return os; } void dump(auto ...vs){ ((cout << vs << ' '), ...) << endl; } void solve() { ll N; cin>>N; vector D(N,vector (N)); rep(i,N){ rep(j,N){ cin>>D[i][j]; } } bool f1=true; bool f2=true; rep(i,N){ rep(j,N){ if ((D[i][j]==0) != (i==j)){ f1=false; f2=false; } } } rep(i,N){ rep(j,N){ if (D[i][j]!=D[j][i]){ f1=false; f2=false; } } } rep(i,N){ rep(j,N){ rep(k,N){ if (D[i][j]>D[i][k]+D[k][j]){ f1=false; } if (D[i][j]>max(D[i][k],D[k][j])){ f2=false; } } } } cout << (f1 ? "Yes" : "No")<<'\n'; cout << (f2 ? "Yes" : "No")<<'\n'; return; } int main() { cin.tie(0)->sync_with_stdio(0); ll T=1; while (T--){ solve(); } return 0; }