#include using namespace std; #include using namespace atcoder; #define rep(i, n) for(int i=0;i<(n);++i) #define rep1(i, n) for(int i=1;i<=(n);i++) #define ll long long using mint = modint998244353; using P = pair; using lb = long double; using T = tuple; #ifdef LOCAL # include # define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define dbg(...) (static_cast(0)) #endif int main() { ll n, l, r; cin >> n >> l >> r; vector a(n); rep(i,n) cin >> a[i]; int ans = 1; sort(a.begin(),a.end()); rep(i,n){ ll m = -1e18; ll M = 1e18; for(int j=i+1;j=l) ans = max(ans, j-i+1); } } cout << ans << endl; return 0; }