#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include #include #include #include #include //#include //using namespace atcoder; using namespace std; using i32 = int_fast32_t; using i64 = int_fast64_t; using usize = size_t; using u32 = uint_fast32_t; using u64 = uint_fast64_t; using i128 = __int128_t; using u128 = __uint128_t; using ld = long double; template using vec = vector; #define rep(i, n) for (i64 i = 0; i < (i64)(n); ++i) #define all(a) (a).begin(),(a).end() #define rall(a) (a).rbegin(),(a).rend() #define len(hoge) (i64)((hoge).size()) using P = pair; void solve(){ } int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); i64 n; cin >> n; vec a(n); vec> b(n,vec(n)); rep(i,n)cin >> a[i]; rep(i,n){ rep(j,n)cin >> b[i][j]; } i64 ans = 0; vec list; rep(bit,(1 << n)){ vec rec; i64 tmp = 0; rep(i,n){ if(bit & (1 << i)){ rec.emplace_back(i); tmp += a[i]; } } rep(i,n){ for(i32 j = i + 1; j < len(rec);j++){ tmp += b[rec[i]][rec[j]]; } } if(ans < tmp){ ans = tmp; list = rec; } } cout << ans << endl; rep(i,len(list)){ cout << list[i] + 1 << " \n"[i == len(list) - 1]; } }