func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve();   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int times = 1;     cin >> times;     for (int i = 0; i < times; i++) {       solve();       cout <<   n ;     }     return 0;   }   long long a, b, c, d, e, f, g, h;   long long arr[500000 + 50];   void solve() {     cin >> a >> b >> c;     for (int i = 1; i <= a; i++) cin >> arr[i];     sort(arr + 1, arr + a + 1);     long long dp[a + 50][2];     for (int i = 1; i <= a; i++) dp[i][0] = dp[i][1] = 21474836477777;     dp[0][0] = dp[0][1] = 0;     for (int i = 1; i <= a; i++) {       if (i > 0) {         dp[i][0] = min(dp[i][0], dp[i - 1][0] + arr[i]);         dp[i][0] = min(dp[i][0], dp[i - 1][1] + arr[i]);       }       if (i >= c) {         dp[i][1] = min(dp[i][1], dp[i - c][0] + arr[i]);         dp[i][1] = min(dp[i][1], dp[i - c][1] + arr[i]);       }     }     int ans = 0;     for (int i = 1; i <= a; i++) {       if (dp[i][0] <= b || dp[i][1] <= b) ans = i;     }     cout << ans;   }   