#include <iostream> #include <algorithm> #include <map> #include <set> #include <queue> #include <stack> #include <numeric> #include <bitset> #include <cmath> static const int MOD = 1000000007; using ll = long long; using u32 = unsigned; using u64 = unsigned long long; using namespace std; template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208; template <class T, class U> vector<T> make_v(U size, const T& init){ return vector<T>(static_cast<size_t>(size), init); } template<class... Ts, class U> auto make_v(U size, Ts... rest) { return vector<decltype(make_v(rest...))>(static_cast<size_t>(size), make_v(rest...)); } template<class T> void chmin(T &a, const T &b){ a = (a < b ? a : b); } template<class T> void chmax(T &a, const T &b){ a = (a > b ? a : b); } int main() { int n; cin >> n; vector<int> a(n); vector<vector<int>> b(n, vector<int>(n, 0)); for (auto &&i : a) scanf("%d", &i); for (auto &&i : b) for(auto &&j : i) scanf("%d", &j); vector<ll> dp(1 << n, -INF<ll>); dp[0] = 0; for (int i = 0; i < (1 << n); ++i) { for (int j = 0; j < n; ++j) { if(!(i & (1 << j))){ ll val = dp[i] + a[j]; for (int k = 0; k < n; ++k) { if((i & (1 << k))) val += b[j][k]; } chmax(dp[i^(1 << j)], val); } } } dp[0] = -1; int x = max_element(dp.begin(),dp.end()) - dp.begin(); cout << dp[x] << "\n"; vector<int> ans; for (int i = 0; i < n; ++i) { if(x & (1 << i)) ans.emplace_back(i+1); } for (int i = 0; i < ans.size(); ++i) { if(i) printf(" "); printf("%d",ans[i]); } puts(""); return 0; }