#pragma GCC optimize("O3") #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using ll = long long; using P = pair; using T = tuple; template inline T chmax(T &a, const T b) {return a = (a < b) ? b : a;} template inline T chmin(T &a, const T b) {return a = (a > b) ? b : a;} constexpr int MOD = 1e9 + 7; constexpr int inf = 1e9; constexpr long long INF = 1e18; #define all(a) (a).begin(), (a).end() int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; ll modpow(ll a, ll b, ll m){ if(b == 0) return 1; else if(b % 2 == 0){ ll d = modpow(a, b / 2, m) % m; return (d * d) % m; } else{ return (a * modpow(a, b - 1, m)) % m; } } int main(){ cin.tie(0); ios::sync_with_stdio(false); int n, k, m; cin>>n>>k>>m; vector p(n), e(n), a(n), h(n); for(int i=0; i>p[i]; for(int i=0; i>e[i]; for(int i=0; i>a[i]; for(int i=0; i>h[i]; sort(all(p)); sort(all(e)); sort(all(a)); sort(all(h)); vector d(n); for(int i=0; i v; v.emplace_back(p[i]); v.emplace_back(e[i]); v.emplace_back(a[i]); v.emplace_back(h[i]); sort(all(v)); d[i] = v[3] - v[0]; } ll ans = 0; for(int i=0; i