#include <bits/stdc++.h>
using namespace std;
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
int n, l, r;
cin >> n >> l >> r;
vector<int> a(n);
for (int &i : a) cin >> i;
if (n <= 100) {
vector<vector<int>> dp(n, vector<int>(r + 1));
long long ans = 0;
for (int mask = 40; mask >= 0; mask--) {
for (int i = 0; i < n; i++) {
for (int j = 0; j <= r; j++) dp[i][j] = 0;
}
for (int i = 0; i < n; i++) {
long long sum = 0;
for (int j = i; j >= 0; j--) {
sum += a[j];
if (((sum | ans) ^ ans) < (1LL << mask)) {
if (j == 0) {
dp[i][1] = 1;
}
else {
for (int k = 2; k <= r; k++) {
dp[i][k] |= dp[j - 1][k - 1];
}
}
}
}
}
long long add = (1LL << mask);
for (int i = l; i <= r; i++) {
if (dp[n - 1][i]) {
add = 0;
break;
}
}
ans += add;
}
cout << ans;
}
return 0;
}
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